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19/05/1978
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The phase-shifting method is a simple and efficient approach to extract complex hologram information free of bias and twin-image noise. In this study, the geometric phase-shifting method is utilized for a self-interference incoherent digital holographic recording system based on the Michelson-type interferometer. The phase-shifting module consists of a horizontal polarizer, and two achromatic quarter-wave plates are employed inside the interferometer, replacing conventional phase-shifting devices, such as the piezo-actuated mirror. Since the phase-shifting amount of the introduced method herein is theoretical, regardless of the input wavelength, the simultaneous recording of step-wise phase-shifted interferograms for different color channels is available. Therefore, the multi-color hologram recording is achieved with fewer numbers of exposures. The demonstration of multi-color hologram recording and reconstruction are presented to validate the proposed idea.An incoherent optical detection sensor (often referred to as energy or direct detection sensor) used for remote detection and ranging purposes is a useful tool. While the accuracy and robustness of an incoherent sensor relative to a coherent sensor may be lacking particularly in cluttered environments, it has a place in the world due to its simplicity and performance. With this, a best design approach is sought to meet requirements in a stochastic fashion. In developing the design approach, motivations are borrowed from decades of research in radar systems. This article provides a sensor- or top-level design approach for an incoherent optical detection sensor based mainly on paths developed in radar.The coded aperture snapshot spectral imager (CASSI) acquires three-dimensional spectral images with two-dimensional coded projection measurements. This paper proposes an adaptive design method of the coded apertures, according to a priori knowledge of the target scene, to improve sensing efficiency and imaging performance of the super-resolution CASSI system. The adaptive coded apertures are constructed from the nonlinear thresholding of the grayscale map of the scene. Theoretical proof is provided to demonstrate the superiority of the adaptive coded apertures over traditional random coded apertures. Improvement in reconstruction performance is also verified by a set of simulations based on different spectral data.To generate a flat optical frequency comb (OFC), a new scheme based on a dual-parallel ****-Zehnder modulator and a single recirculation frequency shift loop is proposed and analyzed. Compared with the traditional single loop recirculation frequency shift method, the quantity of comb lines is doubled, and the comb flatness is better when the number of cycles is the same. The theoretical analysis model is established, and the simulation results show that a 111-line OFC with frequency spacing of 10 GHz, flatness of 1.32 dB, and optical signal to noise ratio of 27.4 dB can be obtained by adopting the proposed scheme.Three-dimensional (3D) measurement of colorful objects is challenging. As different colors can absorb different wavelengths of projected light, the brightness and contrast of the captured fringe are not uniform when employing single-color light projection, which will lead to measurement error. https://www.selleckchem.com/products/PD-0325901.html In this paper, we present a rapid 3D measurement technique for colorful objects employing red, green, and blue (RGB) light projection. According to the research in this paper, for common colors, the pixel with the largest brightness and contrast can be extracted from the three fringes projected by RGB light. Furthermore, we introduce the selection method of exposure time, and then combine the high-speed projection technique with the optimal pixel-extraction algorithm to get the optimal set of fringes for phase calculation. Experiments show that the proposed method improves the measurement accuracy and efficiency.In this paper, we introduce the idea of using adaptive hybrid modulation techniques to overcome channel fading effects on visible light communication (VLC) systems. A hybrid $ M $M-ary quadrature-amplitude modulation ($ M\rm QAM $MQAM) and multipulse pulse-position modulation (MPPM) technique is considered due to its ability to make gradual changes in spectral efficiency to cope with channel effects. First, the Zemax optics studio simulator is used to simulate dynamic VLC channels. The results of Zemax show that Nakagami and log-normal distributions give the best fitting for simulation results. The performance of $ M\rm QAM $MQAM-MPPM is analytically investigated for both Nakagami and log-normal channels, where we obtain closed-form expressions for the average bit-error rate (BER). The optimization problem of evaluating the hybrid modulation technique settings that lead to the highest spectral efficiency under a specific channel status and constraint of outage probability is formulated and solved using anthan ordinary $ M\rm QAM $MQAM and MPPM schemes, respectively.The influence of the initial polarization state of a source on the detection range of a system probing through natural dense water fog is analyzed. Information about the source is conveyed by ballistic, snake, and highly scattered photons. During propagation, the polarization state of ballistic and snake photons is not altered. It is shown that though circular polarization is not altered by simple direction changes during scattering, and has thus a tendency to be preserved longer in the highly scattered photons, it does not necessarily convey more useful information about the source than linear polarization or even an unpolarized beam. It is also shown that in any forward propagating system that can be described by the small-angle approximation the impact of polarization memory can be neglected.A wide bandwidth, single-spacing half-open-cavity multiwavelength Brillouin-Raman fiber laser (MWBRFL) is demonstrated. The laser cavity contains a fiber loop mirror (FLM) with an arc-shaped optical fiber attenuator that is used to control the mirror reflectivity, thereby suppressing gain competition from longitudinal cavity modes. A tuning range of 45 nm with 632 lines at Raman and 1525 nm Brillouin pump powers of 1.2 W and 12 dBm can be achieved using the 10 dB arc-shaped optical fiber attenuator in the cavity. This is in comparison to 433 Stokes lines obtained over a 31 nm tuning range for the half-open MWBRFL cavity without any feedback power optimization. The MWBRFL has low power fluctuations of less than 0.1 dB over a 1 h test period. The inclusion of the arc-shaped optical fiber attenuator in the MWBRFL provides substantial control over the reflectivity of the FLM as well as improving the laser's tuning range to generate a high number of Brillouin Stokes signals.
The phase-shifting method is a simple and efficient approach to extract complex hologram information free of bias and twin-image noise. In this study, the geometric phase-shifting method is utilized for a self-interference incoherent digital holographic recording system based on the Michelson-type interferometer. The phase-shifting module consists of a horizontal polarizer, and two achromatic quarter-wave plates are employed inside the interferometer, replacing conventional phase-shifting devices, such as the piezo-actuated mirror. Since the phase-shifting amount of the introduced method herein is theoretical, regardless of the input wavelength, the simultaneous recording of step-wise phase-shifted interferograms for different color channels is available. Therefore, the multi-color hologram recording is achieved with fewer numbers of exposures. The demonstration of multi-color hologram recording and reconstruction are presented to validate the proposed idea.An incoherent optical detection sensor (often referred to as energy or direct detection sensor) used for remote detection and ranging purposes is a useful tool. While the accuracy and robustness of an incoherent sensor relative to a coherent sensor may be lacking particularly in cluttered environments, it has a place in the world due to its simplicity and performance. With this, a best design approach is sought to meet requirements in a stochastic fashion. In developing the design approach, motivations are borrowed from decades of research in radar systems. This article provides a sensor- or top-level design approach for an incoherent optical detection sensor based mainly on paths developed in radar.The coded aperture snapshot spectral imager (CASSI) acquires three-dimensional spectral images with two-dimensional coded projection measurements. This paper proposes an adaptive design method of the coded apertures, according to a priori knowledge of the target scene, to improve sensing efficiency and imaging performance of the super-resolution CASSI system. The adaptive coded apertures are constructed from the nonlinear thresholding of the grayscale map of the scene. Theoretical proof is provided to demonstrate the superiority of the adaptive coded apertures over traditional random coded apertures. Improvement in reconstruction performance is also verified by a set of simulations based on different spectral data.To generate a flat optical frequency comb (OFC), a new scheme based on a dual-parallel Mach-Zehnder modulator and a single recirculation frequency shift loop is proposed and analyzed. Compared with the traditional single loop recirculation frequency shift method, the quantity of comb lines is doubled, and the comb flatness is better when the number of cycles is the same. The theoretical analysis model is established, and the simulation results show that a 111-line OFC with frequency spacing of 10 GHz, flatness of 1.32 dB, and optical signal to noise ratio of 27.4 dB can be obtained by adopting the proposed scheme.Three-dimensional (3D) measurement of colorful objects is challenging. As different colors can absorb different wavelengths of projected light, the brightness and contrast of the captured fringe are not uniform when employing single-color light projection, which will lead to measurement error. https://www.selleckchem.com/products/PD-0325901.html In this paper, we present a rapid 3D measurement technique for colorful objects employing red, green, and blue (RGB) light projection. According to the research in this paper, for common colors, the pixel with the largest brightness and contrast can be extracted from the three fringes projected by RGB light. Furthermore, we introduce the selection method of exposure time, and then combine the high-speed projection technique with the optimal pixel-extraction algorithm to get the optimal set of fringes for phase calculation. Experiments show that the proposed method improves the measurement accuracy and efficiency.In this paper, we introduce the idea of using adaptive hybrid modulation techniques to overcome channel fading effects on visible light communication (VLC) systems. A hybrid $ M $M-ary quadrature-amplitude modulation ($ M\rm QAM $MQAM) and multipulse pulse-position modulation (MPPM) technique is considered due to its ability to make gradual changes in spectral efficiency to cope with channel effects. First, the Zemax optics studio simulator is used to simulate dynamic VLC channels. The results of Zemax show that Nakagami and log-normal distributions give the best fitting for simulation results. The performance of $ M\rm QAM $MQAM-MPPM is analytically investigated for both Nakagami and log-normal channels, where we obtain closed-form expressions for the average bit-error rate (BER). The optimization problem of evaluating the hybrid modulation technique settings that lead to the highest spectral efficiency under a specific channel status and constraint of outage probability is formulated and solved using anthan ordinary $ M\rm QAM $MQAM and MPPM schemes, respectively.The influence of the initial polarization state of a source on the detection range of a system probing through natural dense water fog is analyzed. Information about the source is conveyed by ballistic, snake, and highly scattered photons. During propagation, the polarization state of ballistic and snake photons is not altered. It is shown that though circular polarization is not altered by simple direction changes during scattering, and has thus a tendency to be preserved longer in the highly scattered photons, it does not necessarily convey more useful information about the source than linear polarization or even an unpolarized beam. It is also shown that in any forward propagating system that can be described by the small-angle approximation the impact of polarization memory can be neglected.A wide bandwidth, single-spacing half-open-cavity multiwavelength Brillouin-Raman fiber laser (MWBRFL) is demonstrated. The laser cavity contains a fiber loop mirror (FLM) with an arc-shaped optical fiber attenuator that is used to control the mirror reflectivity, thereby suppressing gain competition from longitudinal cavity modes. A tuning range of 45 nm with 632 lines at Raman and 1525 nm Brillouin pump powers of 1.2 W and 12 dBm can be achieved using the 10 dB arc-shaped optical fiber attenuator in the cavity. This is in comparison to 433 Stokes lines obtained over a 31 nm tuning range for the half-open MWBRFL cavity without any feedback power optimization. The MWBRFL has low power fluctuations of less than 0.1 dB over a 1 h test period. The inclusion of the arc-shaped optical fiber attenuator in the MWBRFL provides substantial control over the reflectivity of the FLM as well as improving the laser's tuning range to generate a high number of Brillouin Stokes signals.0 Commentarii 0 Distribuiri 73 Views 0 previzualizareVă rugăm să vă autentificați pentru a vă dori, partaja și comenta! -
Hispanic patients with TTP seems to have relative resistance to the actions of thyroid hormones and commonly present with QTc prolongation, a risk factor for cardiac arrhythmias.
BWS = Burch-Wartofsky point scale; EKG = electrocardiogram; FT3 = free triiodothyronine; FT4 = free thyroxine; ICD = International Classification of Diseases; QTc = corrected QT; TPP = thyrotoxic periodic paralysis.
BWS = Burch-Wartofsky point scale; EKG = electrocardiogram; FT3 = free triiodothyronine; FT4 = free thyroxine; ICD = International Classification of Diseases; QTc = corrected QT; TPP = thyrotoxic periodic paralysis.This study provides a quantitative examination of gender-based mass shootings in America from 1966-2018. Gender-based mass shootings refer to attacks motivated by grievances against women, divided into four categories based on a specific woman or women in general, as well as whether they directly target the source of their grievances. Findings indicate that specific woman-targeted shooters were the most common and significantly different from their counterparts in their domestic violence history, racial diversity, and engagement in spree attacks. When comparing all gender-based attacks against other mass shootings, significant differences include relationship status, children, domestic violence history, substance abuse history, and suicide. This investigation provides implications for gender and mass shooting scholars, as well as practitioners developing strategies for intervention and prevention.The degradation of coragen (C18H14N5O2BrCl2) was tested by the electrooxidation process using graphite electrodes. Further, the advantage of nano-hydroxyapatite (n-Hap), as a cost-effective nano sorbent, in the removal of bromide from coragen was examined. Three different variables such as initial pH, electrolysis time and the current density were used to analyse the effects of the electrolytic process on the degradation of coragen. https://www.selleckchem.com/products/cnqx.html During electrolysis, under various stages, the parameters such as chemical oxygen demand (COD), chloride and bromide were analysed. The maximum COD, chloride and bromide removal efficiency of 96%, 50% and 99%, respectively, at pH 5, the maximum current density of 7.5 mA cm-2 and 120 min electrolysis time were achieved. Based on the final output of this study, it can be concluded that the electrolysis process can effectively reduce COD, chloride and bromide from coragen in an aqueous medium. Further, the degradation efficiency of the coragen was confirmed through different analyses such as UV spectra, Fourier transform infrared spectroscopy and gas chromotography-mass spectrometry analyses.Based on the attachment framework, therapeutic distance conceptualization focuses on closeness-distance dynamics in the therapeutic relationship. We aimed to evaluate the psychometric properties of the Therapeutic-Distance-Scale, Observer-version (TDS-O) and apply a dyadic approach to examine associations between attachment characteristics and therapeutic distance experiences of clients, therapists, and mutual effects. Sixty-six clients and their 29 therapists completed the ECR and relational narratives collected in RAP interviews at early, mid, and late psychodynamic-therapy were rated on TDS-O scales too close, too distant, autonomy, and engagement. The TDS-O showed good IRR, internal reliability and content validity. Client anxiety was not associated with therapeutic distance but associated with autonomy. Client avoidance associated with clients' experiencing therapist as too close, and lower engagement only at early therapy, but was not associated with therapists' experience. Therapist anxiety was not related to closeness-distance at early therapy but related to gaps between client and therapist experiences at mid and late therapy. Therapist avoidance related to clients experiencing therapists as too close and granting less autonomy at early and mid-therapy, and to therapist experience of distance at late therapy. The findings underscore the importance of therapists' regulating therapeutic distance through attunement to client's interpersonal needs and therapy phase.For decades, governments and development partners promoted neoliberal policies in the health sector in many LMICs, largely motivated by the belief that governments in these countries were too weak to provide all the health services necessary to meet population needs. Private health markets became the governance and policy solution to improve the delivery of health services which allowed embedded forms of market failure to persist in these countries and which were exposed during the COVID-19 pandemic. In this article, we analyse the manifestations of these market failures using data from an assembled database of COVID-19 related news items sourced from the Global Database of Events, Language, and Tone. Specifically, we identify how pre-existing market failure and failures of redistribution have led to the rise of three urgent crises in LMICs a financial and liquidity crisis among private providers, a crisis of service provision and pricing, and an attendant crisis in state-provider relations. The COVID-19 pandemic has therfore exposed important failures of the public-private models of health systems and provides an opportunity to rethink the future orientation of national health systems and commitments towards Universal Health Coverage.The liver and intestine communicate in a bidirectional way through the biliary tract, portal vein, and other components of the gut-liver axis. The gut microbiota is one of the major contributors to the production of several proteins and bile acids. Imbalance in the gut bacterial community, called dysbiosis, participates in the development and progression of several chronic liver diseases, such as nonalcoholic fatty liver disease (NAFLD). NAFLD is currently considered the main chronic liver disease worldwide. Dysbiosis contributes to NAFLD development and progression, notably by a greater translocation of pathogen-associated molecular patterns (PAMPs) in the blood. Lipopolysaccharide (LPS) is a PAMP that activates Toll-like receptor 4 (TLR4), induces liver inflammation, and participates in the development of fibrogenesis. LPS can be transported by bacterial extracellular vesicles (EVs). EVs are spherical structures produced by eukaryotic and prokaryotic cells that transfer information to distant cells and may represent new players in NAFLD development and progression.
Hispanic patients with TTP seems to have relative resistance to the actions of thyroid hormones and commonly present with QTc prolongation, a risk factor for cardiac arrhythmias. BWS = Burch-Wartofsky point scale; EKG = electrocardiogram; FT3 = free triiodothyronine; FT4 = free thyroxine; ICD = International Classification of Diseases; QTc = corrected QT; TPP = thyrotoxic periodic paralysis. BWS = Burch-Wartofsky point scale; EKG = electrocardiogram; FT3 = free triiodothyronine; FT4 = free thyroxine; ICD = International Classification of Diseases; QTc = corrected QT; TPP = thyrotoxic periodic paralysis.This study provides a quantitative examination of gender-based mass shootings in America from 1966-2018. Gender-based mass shootings refer to attacks motivated by grievances against women, divided into four categories based on a specific woman or women in general, as well as whether they directly target the source of their grievances. Findings indicate that specific woman-targeted shooters were the most common and significantly different from their counterparts in their domestic violence history, racial diversity, and engagement in spree attacks. When comparing all gender-based attacks against other mass shootings, significant differences include relationship status, children, domestic violence history, substance abuse history, and suicide. This investigation provides implications for gender and mass shooting scholars, as well as practitioners developing strategies for intervention and prevention.The degradation of coragen (C18H14N5O2BrCl2) was tested by the electrooxidation process using graphite electrodes. Further, the advantage of nano-hydroxyapatite (n-Hap), as a cost-effective nano sorbent, in the removal of bromide from coragen was examined. Three different variables such as initial pH, electrolysis time and the current density were used to analyse the effects of the electrolytic process on the degradation of coragen. https://www.selleckchem.com/products/cnqx.html During electrolysis, under various stages, the parameters such as chemical oxygen demand (COD), chloride and bromide were analysed. The maximum COD, chloride and bromide removal efficiency of 96%, 50% and 99%, respectively, at pH 5, the maximum current density of 7.5 mA cm-2 and 120 min electrolysis time were achieved. Based on the final output of this study, it can be concluded that the electrolysis process can effectively reduce COD, chloride and bromide from coragen in an aqueous medium. Further, the degradation efficiency of the coragen was confirmed through different analyses such as UV spectra, Fourier transform infrared spectroscopy and gas chromotography-mass spectrometry analyses.Based on the attachment framework, therapeutic distance conceptualization focuses on closeness-distance dynamics in the therapeutic relationship. We aimed to evaluate the psychometric properties of the Therapeutic-Distance-Scale, Observer-version (TDS-O) and apply a dyadic approach to examine associations between attachment characteristics and therapeutic distance experiences of clients, therapists, and mutual effects. Sixty-six clients and their 29 therapists completed the ECR and relational narratives collected in RAP interviews at early, mid, and late psychodynamic-therapy were rated on TDS-O scales too close, too distant, autonomy, and engagement. The TDS-O showed good IRR, internal reliability and content validity. Client anxiety was not associated with therapeutic distance but associated with autonomy. Client avoidance associated with clients' experiencing therapist as too close, and lower engagement only at early therapy, but was not associated with therapists' experience. Therapist anxiety was not related to closeness-distance at early therapy but related to gaps between client and therapist experiences at mid and late therapy. Therapist avoidance related to clients experiencing therapists as too close and granting less autonomy at early and mid-therapy, and to therapist experience of distance at late therapy. The findings underscore the importance of therapists' regulating therapeutic distance through attunement to client's interpersonal needs and therapy phase.For decades, governments and development partners promoted neoliberal policies in the health sector in many LMICs, largely motivated by the belief that governments in these countries were too weak to provide all the health services necessary to meet population needs. Private health markets became the governance and policy solution to improve the delivery of health services which allowed embedded forms of market failure to persist in these countries and which were exposed during the COVID-19 pandemic. In this article, we analyse the manifestations of these market failures using data from an assembled database of COVID-19 related news items sourced from the Global Database of Events, Language, and Tone. Specifically, we identify how pre-existing market failure and failures of redistribution have led to the rise of three urgent crises in LMICs a financial and liquidity crisis among private providers, a crisis of service provision and pricing, and an attendant crisis in state-provider relations. The COVID-19 pandemic has therfore exposed important failures of the public-private models of health systems and provides an opportunity to rethink the future orientation of national health systems and commitments towards Universal Health Coverage.The liver and intestine communicate in a bidirectional way through the biliary tract, portal vein, and other components of the gut-liver axis. The gut microbiota is one of the major contributors to the production of several proteins and bile acids. Imbalance in the gut bacterial community, called dysbiosis, participates in the development and progression of several chronic liver diseases, such as nonalcoholic fatty liver disease (NAFLD). NAFLD is currently considered the main chronic liver disease worldwide. Dysbiosis contributes to NAFLD development and progression, notably by a greater translocation of pathogen-associated molecular patterns (PAMPs) in the blood. Lipopolysaccharide (LPS) is a PAMP that activates Toll-like receptor 4 (TLR4), induces liver inflammation, and participates in the development of fibrogenesis. LPS can be transported by bacterial extracellular vesicles (EVs). EVs are spherical structures produced by eukaryotic and prokaryotic cells that transfer information to distant cells and may represent new players in NAFLD development and progression.0 Commentarii 0 Distribuiri 127 Views 0 previzualizare -
Nurse practitioner students need effective communication skills to provide patient-centered care and work in diverse health care teams. Improvisation exercises, adapted from theater training, have been used to improve communication skills with health professions education and can be used in nurse practitioner education.
Fifty-eight family nurse practitioner students participated in a 2-hour workshop where they learned four improvisation exercises to improve listening skills, observational skills, and the ability to respond in the moment. Students learned the application of these skills for health care conversations.
The workshop was well received by the students, and evaluations reflected that students anticipated using the skills in professional practice and personal communications.
Improvisation exercises can be used in nursing education to teach communication skills. [J Nurs Educ. 2021;60(2)116-119.].
Improvisation exercises can be used in nursing education to teach communication skills. [J Nurs Educ. 2021;60(2)116-119.].
The author was asked to teach a new PhD course, Developing Literature Reviews. The course objective is to have students prepare a structured (e.g., integrative, systematic) literature review manuscript that is suitable for publication submission.
Course pedagogy and materials were created, including a novel literature review manuscript template. The template served as a guide for communicating essential section components of a rigorous and reproducible literature review manuscript and allowed for an iterative process and efficient faculty-student evaluation system to simulate the peer-review process. To measure student outcomes, standardized course evaluations were reviewed, and the number of students who were successful in disseminating manuscripts was recorded.
Students' standardized course evaluations were high. Eighteen students published integrative or systematic literature reviews as first author. Eleven students have presented peer-reviewed abstracts at scientific conferences.
The template successfully facilitates PhD student dissemination. The Doctor of Nursing Practice student pedagogy may also benefit from the template. [J Nurs Educ. 2021;60(2)111-115.].
The template successfully facilitates PhD student dissemination. The Doctor of Nursing Practice student pedagogy may also benefit from the template. [J Nurs Educ. 2021;60(2)111-115.].
Precision health (PH) and precision medicine are emerging approaches to health care promising more individualized care for health consumers. This improved type of care management uses innovation in science and technology to accurately identify diseases, treatments, and environmental influences to provide effective and efficient care. Multiple industries are supporting this venture, including nursing.
To respond to the national call to integrate PH in nursing curricula, a small urban university in Southern California proposed to integrate concepts of PH into six select courses in the baccalaureate curriculum.
This curriculum revision launched in fall 2020; it was the first time PH concepts were introduced to Bachelor of Science in Nursing students in the department of nursing. Student outcomes will be measured using the nine competencies developed.
Nurse educators shape future practice. It is incumbent upon them to adopt the opportunities for transformation presented by the emergent phenomenon of PH. Only then will students be prepared with the knowledge, skills, and attitudes foundational for precise care. [J Nurs Educ. 2021;60(2)107-110.].
Nurse educators shape future practice. It is incumbent upon them to adopt the opportunities for transformation presented by the emergent phenomenon of PH. Only then will students be prepared with the knowledge, skills, and attitudes foundational for precise care. https://www.selleckchem.com/products/6-benzylaminopurine.html [J Nurs Educ. 2021;60(2)107-110.].
An academic-practice partnership between a college department of nursing, the YMCA, and one health system was developed to provide student learning opportunities in cardiovascular disease prevention, while advancing the goal of Million Hearts
.
Using The Ohio State University College of Nursing's Million Hearts Fellowship Module, students learned to provide Million Hearts screenings, educate and coach participants in the college and greater community, and deliver a free home blood pressure monitor. Pre- and postscores were obtained to assess change in students' knowledge and participants' blood pressure, lifestyle scores, and perceived stress scores.
A statistically significant improvement in mean participant blood pressure and lifestyle scores was observed.
This academic-practice partnership provided an opportunity for students to learn about prevention within a national, population health initiative and for participants to achieve measurable, healthy outcomes. The college's participation in a national Million Hearts consortium enabled practice partners to prioritize cardiovascular disease prevention in the community. [J Nurs Educ. 2021;60(2)103-106.].
This academic-practice partnership provided an opportunity for students to learn about prevention within a national, population health initiative and for participants to achieve measurable, healthy outcomes. The college's participation in a national Million Hearts consortium enabled practice partners to prioritize cardiovascular disease prevention in the community. [J Nurs Educ. 2021;60(2)103-106.].
Family and adult-gerontology primary care nurse practitioner (NP) students must obtain patient clinical hours caring for older adults. Primary care occurs in a variety of settings, including long-term care (LTC) facilities. Anecdotal reports indicate that faculty in some primary NP academic programs do not recognize the robust primary care opportunities that exist in LTC settings.
This article describes a professional nursing organization's process of researching the appropriateness of designating LTC clinical hours as allowable primary care clinical experiences for NP students.
The NP serves as an integral member of the LTC team, providing the same elements of primary care provided in traditional ambulatory care settings.
Older adults receiving primary care in LTC settings have a variety of health care needs, including assessment and management of acute and chronic conditions. A position statement was developed for primary care NP students and endorsed by 22 professional organizations and NP programs.
Nurse practitioner students need effective communication skills to provide patient-centered care and work in diverse health care teams. Improvisation exercises, adapted from theater training, have been used to improve communication skills with health professions education and can be used in nurse practitioner education. Fifty-eight family nurse practitioner students participated in a 2-hour workshop where they learned four improvisation exercises to improve listening skills, observational skills, and the ability to respond in the moment. Students learned the application of these skills for health care conversations. The workshop was well received by the students, and evaluations reflected that students anticipated using the skills in professional practice and personal communications. Improvisation exercises can be used in nursing education to teach communication skills. [J Nurs Educ. 2021;60(2)116-119.]. Improvisation exercises can be used in nursing education to teach communication skills. [J Nurs Educ. 2021;60(2)116-119.]. The author was asked to teach a new PhD course, Developing Literature Reviews. The course objective is to have students prepare a structured (e.g., integrative, systematic) literature review manuscript that is suitable for publication submission. Course pedagogy and materials were created, including a novel literature review manuscript template. The template served as a guide for communicating essential section components of a rigorous and reproducible literature review manuscript and allowed for an iterative process and efficient faculty-student evaluation system to simulate the peer-review process. To measure student outcomes, standardized course evaluations were reviewed, and the number of students who were successful in disseminating manuscripts was recorded. Students' standardized course evaluations were high. Eighteen students published integrative or systematic literature reviews as first author. Eleven students have presented peer-reviewed abstracts at scientific conferences. The template successfully facilitates PhD student dissemination. The Doctor of Nursing Practice student pedagogy may also benefit from the template. [J Nurs Educ. 2021;60(2)111-115.]. The template successfully facilitates PhD student dissemination. The Doctor of Nursing Practice student pedagogy may also benefit from the template. [J Nurs Educ. 2021;60(2)111-115.]. Precision health (PH) and precision medicine are emerging approaches to health care promising more individualized care for health consumers. This improved type of care management uses innovation in science and technology to accurately identify diseases, treatments, and environmental influences to provide effective and efficient care. Multiple industries are supporting this venture, including nursing. To respond to the national call to integrate PH in nursing curricula, a small urban university in Southern California proposed to integrate concepts of PH into six select courses in the baccalaureate curriculum. This curriculum revision launched in fall 2020; it was the first time PH concepts were introduced to Bachelor of Science in Nursing students in the department of nursing. Student outcomes will be measured using the nine competencies developed. Nurse educators shape future practice. It is incumbent upon them to adopt the opportunities for transformation presented by the emergent phenomenon of PH. Only then will students be prepared with the knowledge, skills, and attitudes foundational for precise care. [J Nurs Educ. 2021;60(2)107-110.]. Nurse educators shape future practice. It is incumbent upon them to adopt the opportunities for transformation presented by the emergent phenomenon of PH. Only then will students be prepared with the knowledge, skills, and attitudes foundational for precise care. https://www.selleckchem.com/products/6-benzylaminopurine.html [J Nurs Educ. 2021;60(2)107-110.]. An academic-practice partnership between a college department of nursing, the YMCA, and one health system was developed to provide student learning opportunities in cardiovascular disease prevention, while advancing the goal of Million Hearts . Using The Ohio State University College of Nursing's Million Hearts Fellowship Module, students learned to provide Million Hearts screenings, educate and coach participants in the college and greater community, and deliver a free home blood pressure monitor. Pre- and postscores were obtained to assess change in students' knowledge and participants' blood pressure, lifestyle scores, and perceived stress scores. A statistically significant improvement in mean participant blood pressure and lifestyle scores was observed. This academic-practice partnership provided an opportunity for students to learn about prevention within a national, population health initiative and for participants to achieve measurable, healthy outcomes. The college's participation in a national Million Hearts consortium enabled practice partners to prioritize cardiovascular disease prevention in the community. [J Nurs Educ. 2021;60(2)103-106.]. This academic-practice partnership provided an opportunity for students to learn about prevention within a national, population health initiative and for participants to achieve measurable, healthy outcomes. The college's participation in a national Million Hearts consortium enabled practice partners to prioritize cardiovascular disease prevention in the community. [J Nurs Educ. 2021;60(2)103-106.]. Family and adult-gerontology primary care nurse practitioner (NP) students must obtain patient clinical hours caring for older adults. Primary care occurs in a variety of settings, including long-term care (LTC) facilities. Anecdotal reports indicate that faculty in some primary NP academic programs do not recognize the robust primary care opportunities that exist in LTC settings. This article describes a professional nursing organization's process of researching the appropriateness of designating LTC clinical hours as allowable primary care clinical experiences for NP students. The NP serves as an integral member of the LTC team, providing the same elements of primary care provided in traditional ambulatory care settings. Older adults receiving primary care in LTC settings have a variety of health care needs, including assessment and management of acute and chronic conditions. A position statement was developed for primary care NP students and endorsed by 22 professional organizations and NP programs.0 Commentarii 0 Distribuiri 68 Views 0 previzualizare -
In the primitive era, humans benefited partially from plants and metals to treat microbial infections. Later these infections were cured with antibiotics but further suffered from resistance issues. In searching of an alternative, researchers developed an adjuvant therapy but were hampered by spreading resistance. Subsequently, nanoparticles (NPs) were proposed to cease the multi-drug resistant bacteria but were hindered due to toxicity issues. Recently, a novel adjuvant therapy employed metals and botanicals into innovative nanotechnology as nano-antibiotics. The combination of green synthesized metallic NPs with antibiotics seems to be a viable platform to combat against MDR bacteria by alleviating resistance and toxicity. This review focuses on the primitive to present era dealings with bacterial resistance mechanisms, newer innovations of nanotechnology and their multiple mechanisms to combat resistance. In addition, special focus is paid on greener NPs as antibiotic carriers, and their future prospects of controlled release and toxicity study. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.Oral tyrosine kinase inhibitors (TKIs) against epidermal growth factor receptor (EGFR) family have been introduced into the clinic to treat human malignancies for decades. Despite superior properties of EGFR-TKIs as small molecule targeted drugs, their applications are still restricted due to their low solubility, capricious oral bioavailability, large requirement of daily dose, high binding tendency to plasma albumin and initial/acquired drug resistance. Nanotechnology is a promising tool to improve efficacy of these drugs. Through non-oral routes. Various nanotechnology-based delivery approaches have been developed for providing efficient delivery of EGFR-TKIs with a better pharmacokinetic profile and tissue-targeting ability. This review aims to indicate the advantage of nanocarriers for EGFR-TKIs delivery. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.Diabetes mellitus is a chronic disease in which there is an insufficient production of insulin by the pancreas, or the insulin produced is unable to be utilized effectively by the body. Diabetes affects more than 415 million people globally and is estimated to strike about 642 million people in 2040. The WHO reported that diabetes will become the seventh biggest cause of mortality in 2030. Insulin injection and oral hypoglycemic agents remain the primary treatments in diabetes management. These often present with poor patient compliance. However, over the last decade, transdermal systems in diabetes management have gained increasing attention and emerged as a potential hope in diabetes management owing to the advantages that they offer as compared to invasive injection and oral dosage forms. This review presents the recent advances and developments in transdermal research to achieve better diabetes management. Different technologies and approaches have been explored and applied to the transdermal systems to optimize diabetes management. Studies have shown that these transdermal systems demonstrate higher bioavailability compared to oral administration due to the avoidance of first-pass hepatic metabolism and a sustained drug release pattern. Besides that, transdermal systems have the advantage of reducing dosing frequency as drugs are released at a predetermined rate and control blood glucose level over a prolonged time, contributing to better patient compliance. In summary, the transdermal system is a field worth exploring due to its significant advantages over oral route in administration of antidiabetic drugs and biosensing of blood glucose level to ensure better clinical outcomes in diabetes management. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.Albumin has been widely applied for rational design of drug delivery complexes as natural carriers in cancer therapy due to its distinct advantages of biocompatibility, abundance, low toxicity and versatile property. Hence, various types of multifunctional albumin-based nanoplatforms (MAlb-NPs) that adopt multiple imaging and therapeutic techniques have been developed for cancer diagnosis and treatment. Stimuli-responsive release, including reduction-sensitive, pH-responsive, concentration-dependent and photodynamic-triggered, is important to achieve low-toxicity cancer therapy. Several types of imaging techniques can synergistically improve the effectiveness of cancer therapy. Therefore, combinational theranostic is considered to be a prospective strategy to improve treatment efficiency, minimize side effects and reduce drug resistance, which has received tremendous attentions in recent years. In this review, we highlight several stimuli-responsive albumin nanoplatforms for combinational theranostic. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.We assessed the Swiss-German version of GraphoLearn, a computer game designed to support reading by training grapheme-phoneme correspondences. A group of 34 children at risk for dyslexia trained three times a week during 14 weeks, on top of their standard school instruction. The sample was divided into two groups of 18 and 16 children, who started training at either the middle or the end of first grade. We found beneficial training effects in pseudoword reading in both training groups and for rapid automatized naming skills in the group that trained earlier. Our results suggest that both the efficiency in phonological decoding and rapid access to verbal representations are susceptible to facilitation by GraphoLearn. These findings confirm the utility of the training software as a tool to support school instruction and reading-related abilities in beginning readers. We discuss ideas to improve the content and outcomes of future versions of the training software. https://www.selleckchem.com/products/adenine-sulfate.html © The Author(s) 2020.Background Results of previous studies regarding the relationship between blood urate level and diabetes are conflicting. The aim of this study was to clarify the relations of urate with glycemic status and metabolic syndrome in a general population and in patients with diabetes. Methods The participants were 12,528 men receiving health-checkup examinations (29-70 years old) and they were divided into four quartile groups for serum urate levels. Relationships of urate with metabolic syndrome and its components were investigated after adjustment for age and lifestyle factors such as smoking, alcohol drinking and regular exercise. Results In the overall participants and the participants with diabetes (n = 802), hemoglobin A1c levels were significantly lower in the 2nd, 3rd and 4th quartiles for urate than in the 1st quartile and the levels tended to be lower with an increase in the quartile. In the overall participants, the adjusted odds ratios for diabetes vs. the 1st quartile of urate were significantly lower in the 2nd quartile (0.
In the primitive era, humans benefited partially from plants and metals to treat microbial infections. Later these infections were cured with antibiotics but further suffered from resistance issues. In searching of an alternative, researchers developed an adjuvant therapy but were hampered by spreading resistance. Subsequently, nanoparticles (NPs) were proposed to cease the multi-drug resistant bacteria but were hindered due to toxicity issues. Recently, a novel adjuvant therapy employed metals and botanicals into innovative nanotechnology as nano-antibiotics. The combination of green synthesized metallic NPs with antibiotics seems to be a viable platform to combat against MDR bacteria by alleviating resistance and toxicity. This review focuses on the primitive to present era dealings with bacterial resistance mechanisms, newer innovations of nanotechnology and their multiple mechanisms to combat resistance. In addition, special focus is paid on greener NPs as antibiotic carriers, and their future prospects of controlled release and toxicity study. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.Oral tyrosine kinase inhibitors (TKIs) against epidermal growth factor receptor (EGFR) family have been introduced into the clinic to treat human malignancies for decades. Despite superior properties of EGFR-TKIs as small molecule targeted drugs, their applications are still restricted due to their low solubility, capricious oral bioavailability, large requirement of daily dose, high binding tendency to plasma albumin and initial/acquired drug resistance. Nanotechnology is a promising tool to improve efficacy of these drugs. Through non-oral routes. Various nanotechnology-based delivery approaches have been developed for providing efficient delivery of EGFR-TKIs with a better pharmacokinetic profile and tissue-targeting ability. This review aims to indicate the advantage of nanocarriers for EGFR-TKIs delivery. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.Diabetes mellitus is a chronic disease in which there is an insufficient production of insulin by the pancreas, or the insulin produced is unable to be utilized effectively by the body. Diabetes affects more than 415 million people globally and is estimated to strike about 642 million people in 2040. The WHO reported that diabetes will become the seventh biggest cause of mortality in 2030. Insulin injection and oral hypoglycemic agents remain the primary treatments in diabetes management. These often present with poor patient compliance. However, over the last decade, transdermal systems in diabetes management have gained increasing attention and emerged as a potential hope in diabetes management owing to the advantages that they offer as compared to invasive injection and oral dosage forms. This review presents the recent advances and developments in transdermal research to achieve better diabetes management. Different technologies and approaches have been explored and applied to the transdermal systems to optimize diabetes management. Studies have shown that these transdermal systems demonstrate higher bioavailability compared to oral administration due to the avoidance of first-pass hepatic metabolism and a sustained drug release pattern. Besides that, transdermal systems have the advantage of reducing dosing frequency as drugs are released at a predetermined rate and control blood glucose level over a prolonged time, contributing to better patient compliance. In summary, the transdermal system is a field worth exploring due to its significant advantages over oral route in administration of antidiabetic drugs and biosensing of blood glucose level to ensure better clinical outcomes in diabetes management. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.Albumin has been widely applied for rational design of drug delivery complexes as natural carriers in cancer therapy due to its distinct advantages of biocompatibility, abundance, low toxicity and versatile property. Hence, various types of multifunctional albumin-based nanoplatforms (MAlb-NPs) that adopt multiple imaging and therapeutic techniques have been developed for cancer diagnosis and treatment. Stimuli-responsive release, including reduction-sensitive, pH-responsive, concentration-dependent and photodynamic-triggered, is important to achieve low-toxicity cancer therapy. Several types of imaging techniques can synergistically improve the effectiveness of cancer therapy. Therefore, combinational theranostic is considered to be a prospective strategy to improve treatment efficiency, minimize side effects and reduce drug resistance, which has received tremendous attentions in recent years. In this review, we highlight several stimuli-responsive albumin nanoplatforms for combinational theranostic. © 2019 Shenyang Pharmaceutical University. Published by Elsevier B.V.We assessed the Swiss-German version of GraphoLearn, a computer game designed to support reading by training grapheme-phoneme correspondences. A group of 34 children at risk for dyslexia trained three times a week during 14 weeks, on top of their standard school instruction. The sample was divided into two groups of 18 and 16 children, who started training at either the middle or the end of first grade. We found beneficial training effects in pseudoword reading in both training groups and for rapid automatized naming skills in the group that trained earlier. Our results suggest that both the efficiency in phonological decoding and rapid access to verbal representations are susceptible to facilitation by GraphoLearn. These findings confirm the utility of the training software as a tool to support school instruction and reading-related abilities in beginning readers. We discuss ideas to improve the content and outcomes of future versions of the training software. https://www.selleckchem.com/products/adenine-sulfate.html © The Author(s) 2020.Background Results of previous studies regarding the relationship between blood urate level and diabetes are conflicting. The aim of this study was to clarify the relations of urate with glycemic status and metabolic syndrome in a general population and in patients with diabetes. Methods The participants were 12,528 men receiving health-checkup examinations (29-70 years old) and they were divided into four quartile groups for serum urate levels. Relationships of urate with metabolic syndrome and its components were investigated after adjustment for age and lifestyle factors such as smoking, alcohol drinking and regular exercise. Results In the overall participants and the participants with diabetes (n = 802), hemoglobin A1c levels were significantly lower in the 2nd, 3rd and 4th quartiles for urate than in the 1st quartile and the levels tended to be lower with an increase in the quartile. In the overall participants, the adjusted odds ratios for diabetes vs. the 1st quartile of urate were significantly lower in the 2nd quartile (0.0 Commentarii 0 Distribuiri 79 Views 0 previzualizare -
Aim - To evaluate association between gingival biotype and soft tissue healing seen one week after implant placement. Materials and Method - A retrospective study was done in which 118 patients who underwent implant placement from June 1 2019 until March 1 2020 were included. Data from 86,000 patient records documented in a private institution between June 2019 and March 2020 was reviewed and analyzed. Statistical analysis was performed to assess the association between gingival biotype and soft tissue healing. Results - Gingival biotype had no significant difference when compared between males and females and different age groups. Soft tissue healing had no significant difference when compared between males and females, but the difference was statistically significant when seen between different age groups. There was a statistically significant association between gingival biotype and soft tissue healing (p less then 0.05). There is significant association between gingival biotype and soft tissue healing. Conclusion - Soft tissue healing is also related to the age of the patient and is associated with gingival biotype of the patient. Therefore, it should be one of the factors considered during planning of implant placement in a particular case for successful implant treatment.We evaluate crestal bone loss in implants after loading and bone loss associated with age, gender, and implant site. This retrospective study was conducted in the Department of Prosthodontics, Saveetha Dental College, India. We obtained ethical clearance from the Scientific Review Board at the college. Data were collected from 86,000 patients who visited Saveetha Dental College between June 2019 and March 2020. From these, we retrieved data from 335 patients, in whom implants were placed during this time frame. We tabulated data using the Statistical Package for the Social Sciences (IBM; Armonk, NY), ver. 20 for Windows. Chi-squared tests determined association among bone density, implant site, crestal implant position, and primary implant stability. We observed significant correlation between age and crestal bone loss (p = 0.019), but not between gender (p = 0.792) nor implant site (p = 0.223) with crestal bone loss.A nonbridging external fixation (NBX) system with 1.6-mm diameter pins provided excellent stability for distal radius fractures in cadavers. For the present study, all patients with distal radius fractures were seen by the surgeon authors. Fractures that were displaced and unstable, including Orthopaedic Trauma Association (OTA) types 23-A2.3 to C3.3, were reduced and fixed with the NBX system. The Western Institutional Review Board granted approval (296864) for this retrospective study. Fractures numbered five OTA-A2, eight OTA-A3, two OTA-B3, one OTA-C1, two OTA-C2, and eight OTA-C3. In total, the study included 26 patients. https://www.selleckchem.com/products/wnt-c59-c59.html At fixator removal, average dorsiflexion was 37.0° ± 17.8°; volar flexion, 39.4° ± 17.2°; pronation, 80.6° ± 16.1°; and supination, 48.1° ± 24.2°. Follow-up averaged 11.7 mo ± 19.2 mo. At final follow-up, average dorsiflexion was 52.9° ± 25.0°; volar flexion, 53.1° ± 23.7°; pronation, 80.8° ± 14.5°; and supination, 67.7° ± 30.3°. Average radial tilt at the time of injury was 11.6° ± 8.3°; post op to 23.9° ± 5.0°; and at last follow-up, 23.1° ± 5.0°. Average radial styloid length at the time of injury was 4.1 mm ± 3.7 mm; post op to 11.4 mm ± 3.0 mm; and at last follow-up, 10.5 mm ± 3.1 mm. Volar tilt at the time of injury averaged -19.6° ± 14.8°; reduced to 9.8° ± 6.3°; and at last follow-up, 7.5° ± 6.5°. This form of nonbridging fixation is safe and effective at maintaining reduced, extra- and intra-articular, distal radius fractures and allows functional range of motion with minimal complications.A precise implant position transfer to the working cast is particularly important to achieve an optimal fit for final restoration. Different variables affect implant-impression accuracy. Conducting a cross-sectional, descriptive study in an institution on randomly selected individuals, we compare accuracy of open-tray and closed-tray impression techniques in implants. The study group consisted of adult patients who visited the outpatient department of prosthodontics at Saveetha University from June 2019 through March 2020. We evaluate 2500 case sheets and use a χ2 test to explore the relationship between the two variables. The open-tray impression technique was used in 53.8% of cases compared to 46.2% of cases using closed-tray impression. For open-tray cases, a nonsplinted method was used by 78.2% versus 21.8% in splinted cases. An effective impression is a main requisite of an implant-supported prosthesis, because without an accurate impression, the prosthesis fails. For implant dentistry, the impression records position, depth, axis/angulation, rotation-hex position, and soft-tissue contour (emergence profile). Hence, impression technique is key for dental implant success.The ultimate goal of modern dentistry is to restore the normal comfort, contour, function, aesthetics, health, and speech of a patient's dentition while restoring or replacing teeth. When it comes to the anterior region, particularly the maxillary anteriors, aesthetics is of prime importance as it shapes the smile and builds confidence. The most ideal treatment option for replacement of a single missing tooth in the anterior region is placement of an implant. This study aims to analyze the age and gender prevalence of middle-aged adult patients undergoing implant placement in the anterior region of the maxilla. A retrospective study was performed among patients visiting the Department of Implantology opting for implant prosthesis placement in the maxillary anterior region within the age group of 30 to 60 years. Data were collected from case sheets of patients visiting a private dental hospital in Chennai, India, and tabulated; descriptive statistics were extracted. A total of 2,563 patients were identified with missing maxillary anterior teeth and had been advised to undergo implant prosthesis. Out of these, only 55 patients opted for implant prosthesis. The prevalence of males (51%) opting in was greater than that of females (49%), p > 0.05. Patients within the age group of 41-50 years were more willing to have implant placement in the maxillary anterior region (49.1%). Overall, number 22 was the most replaced tooth by implant prosthesis (21.8%) followed by number 23 (20.0%). In females, canines were the most replaced tooth; incisors, in males.
Aim - To evaluate association between gingival biotype and soft tissue healing seen one week after implant placement. Materials and Method - A retrospective study was done in which 118 patients who underwent implant placement from June 1 2019 until March 1 2020 were included. Data from 86,000 patient records documented in a private institution between June 2019 and March 2020 was reviewed and analyzed. Statistical analysis was performed to assess the association between gingival biotype and soft tissue healing. Results - Gingival biotype had no significant difference when compared between males and females and different age groups. Soft tissue healing had no significant difference when compared between males and females, but the difference was statistically significant when seen between different age groups. There was a statistically significant association between gingival biotype and soft tissue healing (p less then 0.05). There is significant association between gingival biotype and soft tissue healing. Conclusion - Soft tissue healing is also related to the age of the patient and is associated with gingival biotype of the patient. Therefore, it should be one of the factors considered during planning of implant placement in a particular case for successful implant treatment.We evaluate crestal bone loss in implants after loading and bone loss associated with age, gender, and implant site. This retrospective study was conducted in the Department of Prosthodontics, Saveetha Dental College, India. We obtained ethical clearance from the Scientific Review Board at the college. Data were collected from 86,000 patients who visited Saveetha Dental College between June 2019 and March 2020. From these, we retrieved data from 335 patients, in whom implants were placed during this time frame. We tabulated data using the Statistical Package for the Social Sciences (IBM; Armonk, NY), ver. 20 for Windows. Chi-squared tests determined association among bone density, implant site, crestal implant position, and primary implant stability. We observed significant correlation between age and crestal bone loss (p = 0.019), but not between gender (p = 0.792) nor implant site (p = 0.223) with crestal bone loss.A nonbridging external fixation (NBX) system with 1.6-mm diameter pins provided excellent stability for distal radius fractures in cadavers. For the present study, all patients with distal radius fractures were seen by the surgeon authors. Fractures that were displaced and unstable, including Orthopaedic Trauma Association (OTA) types 23-A2.3 to C3.3, were reduced and fixed with the NBX system. The Western Institutional Review Board granted approval (296864) for this retrospective study. Fractures numbered five OTA-A2, eight OTA-A3, two OTA-B3, one OTA-C1, two OTA-C2, and eight OTA-C3. In total, the study included 26 patients. https://www.selleckchem.com/products/wnt-c59-c59.html At fixator removal, average dorsiflexion was 37.0° ± 17.8°; volar flexion, 39.4° ± 17.2°; pronation, 80.6° ± 16.1°; and supination, 48.1° ± 24.2°. Follow-up averaged 11.7 mo ± 19.2 mo. At final follow-up, average dorsiflexion was 52.9° ± 25.0°; volar flexion, 53.1° ± 23.7°; pronation, 80.8° ± 14.5°; and supination, 67.7° ± 30.3°. Average radial tilt at the time of injury was 11.6° ± 8.3°; post op to 23.9° ± 5.0°; and at last follow-up, 23.1° ± 5.0°. Average radial styloid length at the time of injury was 4.1 mm ± 3.7 mm; post op to 11.4 mm ± 3.0 mm; and at last follow-up, 10.5 mm ± 3.1 mm. Volar tilt at the time of injury averaged -19.6° ± 14.8°; reduced to 9.8° ± 6.3°; and at last follow-up, 7.5° ± 6.5°. This form of nonbridging fixation is safe and effective at maintaining reduced, extra- and intra-articular, distal radius fractures and allows functional range of motion with minimal complications.A precise implant position transfer to the working cast is particularly important to achieve an optimal fit for final restoration. Different variables affect implant-impression accuracy. Conducting a cross-sectional, descriptive study in an institution on randomly selected individuals, we compare accuracy of open-tray and closed-tray impression techniques in implants. The study group consisted of adult patients who visited the outpatient department of prosthodontics at Saveetha University from June 2019 through March 2020. We evaluate 2500 case sheets and use a χ2 test to explore the relationship between the two variables. The open-tray impression technique was used in 53.8% of cases compared to 46.2% of cases using closed-tray impression. For open-tray cases, a nonsplinted method was used by 78.2% versus 21.8% in splinted cases. An effective impression is a main requisite of an implant-supported prosthesis, because without an accurate impression, the prosthesis fails. For implant dentistry, the impression records position, depth, axis/angulation, rotation-hex position, and soft-tissue contour (emergence profile). Hence, impression technique is key for dental implant success.The ultimate goal of modern dentistry is to restore the normal comfort, contour, function, aesthetics, health, and speech of a patient's dentition while restoring or replacing teeth. When it comes to the anterior region, particularly the maxillary anteriors, aesthetics is of prime importance as it shapes the smile and builds confidence. The most ideal treatment option for replacement of a single missing tooth in the anterior region is placement of an implant. This study aims to analyze the age and gender prevalence of middle-aged adult patients undergoing implant placement in the anterior region of the maxilla. A retrospective study was performed among patients visiting the Department of Implantology opting for implant prosthesis placement in the maxillary anterior region within the age group of 30 to 60 years. Data were collected from case sheets of patients visiting a private dental hospital in Chennai, India, and tabulated; descriptive statistics were extracted. A total of 2,563 patients were identified with missing maxillary anterior teeth and had been advised to undergo implant prosthesis. Out of these, only 55 patients opted for implant prosthesis. The prevalence of males (51%) opting in was greater than that of females (49%), p > 0.05. Patients within the age group of 41-50 years were more willing to have implant placement in the maxillary anterior region (49.1%). Overall, number 22 was the most replaced tooth by implant prosthesis (21.8%) followed by number 23 (20.0%). In females, canines were the most replaced tooth; incisors, in males.0 Commentarii 0 Distribuiri 88 Views 0 previzualizare -
0%. The number of detected markers was correlated with the cancer stage, perineural invasion, lymphatic emboli, and venous invasion. Our five-marker panel with the droplet digital MethyLight assay showed a high sensitivity and specificity for the detection of CRC with cfDNA samples from patients with metastatic CRC.The influence of muscular fatigue on tennis serve performance within regular training sessions is unclear. Therefore, the aim of the present study was to examine the within-session sequence of the tennis serve in youth tennis. Twenty-five young male (14.9 ± 0.9 years) and female (14.5 ± 0.9 years) players participated in this within-subject crossover study, and they were randomly but sex-matched assigned to different training sequences (serve exercise before tennis training (BTS) or after tennis training (ATS)). https://www.selleckchem.com/products/Idarubicin.html Pre- and post-tests included serve velocity performance and accuracy, shoulder strength, and range-of-motion (ROM) performance (internal/external rotation). Results showed that after one week of serve training conducted following the ATS sequence, significant decreases were found in serve performance (e.g., speed and accuracy), with standardized differences ranging from d = 0.29 to 1.13, as well as the shoulder function (strength [d = 0.20 to 1.0] and ROM [d = 0.17 to 0.31]) in both female and male players, compared to the BTS sequence. Based on the present findings, it appears more effective to implement serve training before the regular tennis training in youth players. If applied after training, excessive levels of fatigue may cause shoulder imbalances that could be related to an increased injury risk.During the development of mouse embryonic stem cells (ESC) to neuronal committed cells (NCC), coordinated changes in the expression of 2851 genes take place, mediated by the nuclear form of FGFR1. In this paper, widespread differences are demonstrated in the ESC and NCC inter- and intra-chromosomal interactions, chromatin looping, the formation of CTCF- and nFGFR1-linked Topologically Associating Domains (TADs) on a genome-wide scale and in exemplary HoxA-D loci. The analysis centered on HoxA cluster shows that blocking FGFR1 disrupts the loop formation. FGFR1 binding and genome locales are predictive of the genome interactions; likewise, chromatin interactions along with nFGFR1 binding are predictive of the genome function and correlate with genome regulatory attributes and gene expression. This study advances a topologically integrated genome archipelago model that undergoes structural transformations through the formation of nFGFR1-associated TADs. The makeover of the TAD islands serves to recruit distinct ontogenic programs during the development of the ESC to NCC.Detection of weeds and crops is the key step for precision spraying using the spraying herbicide robot and precise fertilization for the agriculture machine in the field. On the basis of k-mean clustering image segmentation using color information and connected region analysis, a method combining multi feature fusion and support vector machine (SVM) was proposed to identify and detect the position of corn seedlings and weeds, to reduce the harm of weeds on corn growth, and to achieve accurate fertilization, thereby realizing precise weeding or fertilizing. First, the image dataset for weed and corn seedling classification in the corn seedling stage was established. Second, many different features of corn seedlings and weeds were extracted, and dimensionality was reduced by principal component analysis, including the histogram of oriented gradient feature, rotation invariant local binary pattern (LBP) feature, Hu invariant moment feature, Gabor feature, gray level co-occurrence matrix, and gray level-gradient edlings. It provided information on weed and crop positions to the spraying herbicide robot for accurate spraying or to the precise fertilization machine for accurate fertilizing.The process of embryogenesis in isolated microspore culture was studied in eight carrot accessions of different origin. The ½NLN-13 medium supplemented with 0.2 mg/L 2,4D and 0.2mg/L kinetin was used to induce embryogenesis. The temperature treatment was performed at 5-6 °C for three days, followed by cultivation at 25 °C in darkness. As was shown, the first embryogenesis was only observed in microspores at the late vacuolated stage when the nucleus moved from the center to one pole following the long cell axis. Depending on the nucleus position, the microspore can divide into two equal or two different sized cells. Following divisions occurred either in one of these cells or in two. However, microspores that divided into two unequal cells were morphologically different form bi-cellular pollen grain. Embryogenic divisions in bi-cellular pollen grains were not observed. First divisions began by the third day of cultivation, and continued until the globular embryoid stage that was well-seen after the fourth week of cultivation. The already-formed embryoids can develop the secondary embryoids on their surface. Depending on the genotype, up to 1000 secondary embryoids can be produced from one embryoid in the liquid MSm medium supplemented with 0.1 mg/L of kinetin for regeneration. All carrot accessions studied were split into three groups responsive genotypes, weakly responsive genotypes, and reluctant genotypes. The highest yield was 53 initial embryoids per a 6 cm diameter petri dish. Thus, the Nantskaya 4 cultivar totally produced 256 initial embryoids, out of which 94 developed into green plantlets and 162 into albino plantlets, whereas 97 initial embryoids with 45 albino plantlets formed from them were obtained from Chantenay cultivar.Esophageal cancer poses challenges to all domains of wellbeing. This qualitative study aimed to explore the experiences of esophageal cancer diagnosis, treatment, and recovery, with a view to informing the health education needs of this group. Eighteen persons who had undergone an esophagectomy participated in one of four audio-taped focus groups in a specialist hospital for cancer care. Transcriptions were analyzed thematically. Fear and uncertainty underpinned all stages of diagnosis, treatment, and recovery. Participants emphasized (a) a lack of understanding over what to expect throughout treatment and recovery; (b) the demanding and traumatic period of adjustment required as a result of changes to their physical, psychological, and social functioning; and, (c) that support provided by family, friends, and acquaintances was variable and uninformed, often to the point of being counterproductive to physical and psychosocial recovery. Tailored education is needed to enable patients to prepare for each stage of their cancer journey.
0%. The number of detected markers was correlated with the cancer stage, perineural invasion, lymphatic emboli, and venous invasion. Our five-marker panel with the droplet digital MethyLight assay showed a high sensitivity and specificity for the detection of CRC with cfDNA samples from patients with metastatic CRC.The influence of muscular fatigue on tennis serve performance within regular training sessions is unclear. Therefore, the aim of the present study was to examine the within-session sequence of the tennis serve in youth tennis. Twenty-five young male (14.9 ± 0.9 years) and female (14.5 ± 0.9 years) players participated in this within-subject crossover study, and they were randomly but sex-matched assigned to different training sequences (serve exercise before tennis training (BTS) or after tennis training (ATS)). https://www.selleckchem.com/products/Idarubicin.html Pre- and post-tests included serve velocity performance and accuracy, shoulder strength, and range-of-motion (ROM) performance (internal/external rotation). Results showed that after one week of serve training conducted following the ATS sequence, significant decreases were found in serve performance (e.g., speed and accuracy), with standardized differences ranging from d = 0.29 to 1.13, as well as the shoulder function (strength [d = 0.20 to 1.0] and ROM [d = 0.17 to 0.31]) in both female and male players, compared to the BTS sequence. Based on the present findings, it appears more effective to implement serve training before the regular tennis training in youth players. If applied after training, excessive levels of fatigue may cause shoulder imbalances that could be related to an increased injury risk.During the development of mouse embryonic stem cells (ESC) to neuronal committed cells (NCC), coordinated changes in the expression of 2851 genes take place, mediated by the nuclear form of FGFR1. In this paper, widespread differences are demonstrated in the ESC and NCC inter- and intra-chromosomal interactions, chromatin looping, the formation of CTCF- and nFGFR1-linked Topologically Associating Domains (TADs) on a genome-wide scale and in exemplary HoxA-D loci. The analysis centered on HoxA cluster shows that blocking FGFR1 disrupts the loop formation. FGFR1 binding and genome locales are predictive of the genome interactions; likewise, chromatin interactions along with nFGFR1 binding are predictive of the genome function and correlate with genome regulatory attributes and gene expression. This study advances a topologically integrated genome archipelago model that undergoes structural transformations through the formation of nFGFR1-associated TADs. The makeover of the TAD islands serves to recruit distinct ontogenic programs during the development of the ESC to NCC.Detection of weeds and crops is the key step for precision spraying using the spraying herbicide robot and precise fertilization for the agriculture machine in the field. On the basis of k-mean clustering image segmentation using color information and connected region analysis, a method combining multi feature fusion and support vector machine (SVM) was proposed to identify and detect the position of corn seedlings and weeds, to reduce the harm of weeds on corn growth, and to achieve accurate fertilization, thereby realizing precise weeding or fertilizing. First, the image dataset for weed and corn seedling classification in the corn seedling stage was established. Second, many different features of corn seedlings and weeds were extracted, and dimensionality was reduced by principal component analysis, including the histogram of oriented gradient feature, rotation invariant local binary pattern (LBP) feature, Hu invariant moment feature, Gabor feature, gray level co-occurrence matrix, and gray level-gradient edlings. It provided information on weed and crop positions to the spraying herbicide robot for accurate spraying or to the precise fertilization machine for accurate fertilizing.The process of embryogenesis in isolated microspore culture was studied in eight carrot accessions of different origin. The ½NLN-13 medium supplemented with 0.2 mg/L 2,4D and 0.2mg/L kinetin was used to induce embryogenesis. The temperature treatment was performed at 5-6 °C for three days, followed by cultivation at 25 °C in darkness. As was shown, the first embryogenesis was only observed in microspores at the late vacuolated stage when the nucleus moved from the center to one pole following the long cell axis. Depending on the nucleus position, the microspore can divide into two equal or two different sized cells. Following divisions occurred either in one of these cells or in two. However, microspores that divided into two unequal cells were morphologically different form bi-cellular pollen grain. Embryogenic divisions in bi-cellular pollen grains were not observed. First divisions began by the third day of cultivation, and continued until the globular embryoid stage that was well-seen after the fourth week of cultivation. The already-formed embryoids can develop the secondary embryoids on their surface. Depending on the genotype, up to 1000 secondary embryoids can be produced from one embryoid in the liquid MSm medium supplemented with 0.1 mg/L of kinetin for regeneration. All carrot accessions studied were split into three groups responsive genotypes, weakly responsive genotypes, and reluctant genotypes. The highest yield was 53 initial embryoids per a 6 cm diameter petri dish. Thus, the Nantskaya 4 cultivar totally produced 256 initial embryoids, out of which 94 developed into green plantlets and 162 into albino plantlets, whereas 97 initial embryoids with 45 albino plantlets formed from them were obtained from Chantenay cultivar.Esophageal cancer poses challenges to all domains of wellbeing. This qualitative study aimed to explore the experiences of esophageal cancer diagnosis, treatment, and recovery, with a view to informing the health education needs of this group. Eighteen persons who had undergone an esophagectomy participated in one of four audio-taped focus groups in a specialist hospital for cancer care. Transcriptions were analyzed thematically. Fear and uncertainty underpinned all stages of diagnosis, treatment, and recovery. Participants emphasized (a) a lack of understanding over what to expect throughout treatment and recovery; (b) the demanding and traumatic period of adjustment required as a result of changes to their physical, psychological, and social functioning; and, (c) that support provided by family, friends, and acquaintances was variable and uninformed, often to the point of being counterproductive to physical and psychosocial recovery. Tailored education is needed to enable patients to prepare for each stage of their cancer journey.0 Commentarii 0 Distribuiri 69 Views 0 previzualizare -
01±3.68 and 6.72±3.71 respectively. https://www.selleckchem.com/products/combretastatin-a4.html Experiencing cardiovascular and COVID-19 related symptoms was significantly associated with a higher number of individuals having abnormal anxiety and depression results (p<0.001). Widowed individuals, females, and those experiencing the above-stated symptoms showed a significant association with increased anxiety and depression in multivariate analysis.
Although many existing elements influence the psychological well-being of society during a pandemic, experiencing symptoms related to other diseases or having multiple chronic diseases may cause an extra burden on the psychological state of the society.
Although many existing elements influence the psychological well-being of society during a pandemic, experiencing symptoms related to other diseases or having multiple chronic diseases may cause an extra burden on the psychological state of the society.The COVID-19 pandemic caused stress and anxiety in many people that can be reduced by regular physical activity. Regular physical exercise is essential for health. In the absence of COVID-19 symptoms, no limitation in physical activity is recommended. However, parameters such as frequency, intensity, type, and time need to be considered to prescribe the program and obtain the best results. Consequently, the level of physical activity that should be done during the outbreak has always been one of the most important and common questions.
COVID-19 caused a global pandemic problem. No confident management is introduced for it yet. This study aimed to propose a dietary protocol for hospitalized patients with the diagnosis of acute respiratory infectious disease caused by COVID-19 based on Persian Medicine.
This study was conducted in three phases. In the first phase, any diseases that could be matched with the clinical features of infection with COVID-19 were searched in selected PM references. In the second phase, medicinal herbs and foods that were available and could be used in the hospital diet were extracted and summarized. In the third phase, the new documentation of these pharmaceutical and food items was conducted.
The signs and symptoms of infectious respiratory disease caused by COVID-19 can be categorized in the field of Zato al-rieh that can mainly be matched with pneumonia. Based on the described criteria, some nutrients and medicinal materia medica have been introduced for acute respiratory infection including Cydonia oblonga, Honey, Citrus sinensis, Malus domestica, Citrus medica, Crocus sativus, Raisin, Rosa Damas Cena, D.Carota, Camellia Sinensis, Anethum graveolens dhi, Punica granatum, Petroselinum Crispum, Coriandrum sativum, Urtica dioica, Allium sativum, Sesamum indicum.
Most materia medica has documents in current articles including anti-cough suppressants, antiviral properties, anti-bacterial, anti-inflammatory, antioxidant, immunomodulatory etc. A protocol of hospital diet for patients with infectious respiratory syndrome caused by COVID-19 has been introduced in this manuscript.
Most materia medica has documents in current articles including anti-cough suppressants, antiviral properties, anti-bacterial, anti-inflammatory, antioxidant, immunomodulatory etc. A protocol of hospital diet for patients with infectious respiratory syndrome caused by COVID-19 has been introduced in this manuscript.New Coronavirus which is called 2019-nCoV (2019-Novel-Coronavirus) or SARS-Cov-2 (Severe Acute respiratory Syndrome-Coronavirus 2) causes deadly pneumonia that first appeared in December 2019 in Wuhan city in China. This virus spreads all over the world quickly and made several problems for the community and healthcare system. Several drugs have been tried to manage COVID-19; however, our knowledge of this virus is not complete. At any rate, effective treatment or vaccine for this disease has not been discovered yet. Furthermore, to achieve this goal, more studies are needed on the structure of the virus and its pathogenesis mechanism. In this article, we summarized several articles suggesting treatments of COVID-19.Objective Lung cancer is the leading cause of cancer-related death worldwide. This population-based longitudinal study investigates survival rates and the burden of comorbidity before and after being diagnosed with lung cancer in Denmark. Methods From the Danish National Patient Registry (NPR) and the Danish Civil Registration System (CPR), 53,749 patients with lung cancer were identified and matched with 214,304 controls on age, gender, region of residence and marital status in the period 1998-2010. From the NPR, data on survival and comorbidity, registered as ICD-10 diagnoses, were extracted. Comorbidity was assessed using the Deyo-Charlson comorbidity score (DCcs) and mortality using Kaplan-Meier survival curves. Results 1-year survival rate for Danish lung cancer patients was 51.7 % (CI 51.3-52.1) and 5-year survival rate was 14.7 % (CI 14.3-15.0) compared to 96.8 % (CI 96.7-96.8) and 84.0 % (CI 83.9-84.2) for controls respectively. Overall, cases had significantly more comorbidity compared to controls before being diagnosed with lung cancer. Prior to being diagnosed with lung cancer, more cases than controls had been diagnosed with other malignancies (11.4 % vs 6.0 % p less then 0.005), diseases of the circulatory system (16.4 % vs 13.0 % p less then 0.005) and respiratory diseases (12.2 % vs 4.8 % p less then 0.005). Among lung cancer patients 21.8 % had a DCcs ≥ 1 compared to 13.3 % among controls (P less then 0.005). The 1-year survival for DCcs =0 was 54.8 % (CI 54.3-55.3) for lung cancer patients and 97.8 % (CI 97.7-97.9) for controls. Decreasing survival with increasing DCcs was found in both groups. Conclusion This study provides unique nationwide comorbidity data on patients before and after being diagnosed with lung cancer. We found increased mortality with increasing comorbidity, however more pronounced among controls compared to patients with lung cancer.The high mutation rate in retroviruses is one of the leading causes of drug resistance. In human immunodeficiency virus type-1 (HIV-1), synergistic mutations in its protease and the protease substrate - the Group-specific antigen (Gag) polyprotein - work together to confer drug resistance against protease inhibitors and compensate the mutations affecting viral fitness. Some Gag mutations can restore Gag-protease binding, yet most Gag-protease correlated mutations occur outside of the Gag cleavage site. To investigate the molecular basis for this, we now report multiscale modelling approaches to investigate various sequentially cleaved Gag products in the context of clinically relevant mutations that occur outside of the cleavage sites, including simulations of the largest Gag proteolytic product in its viral membrane-bound state. We found that some mutations, such as G123E and H219Q, involve direct interaction with cleavage site residues to influence their local environment, while certain mutations in the matrix domain lead to the enrichment of lipids important for Gag targeting and assembly.
01±3.68 and 6.72±3.71 respectively. https://www.selleckchem.com/products/combretastatin-a4.html Experiencing cardiovascular and COVID-19 related symptoms was significantly associated with a higher number of individuals having abnormal anxiety and depression results (p<0.001). Widowed individuals, females, and those experiencing the above-stated symptoms showed a significant association with increased anxiety and depression in multivariate analysis. Although many existing elements influence the psychological well-being of society during a pandemic, experiencing symptoms related to other diseases or having multiple chronic diseases may cause an extra burden on the psychological state of the society. Although many existing elements influence the psychological well-being of society during a pandemic, experiencing symptoms related to other diseases or having multiple chronic diseases may cause an extra burden on the psychological state of the society.The COVID-19 pandemic caused stress and anxiety in many people that can be reduced by regular physical activity. Regular physical exercise is essential for health. In the absence of COVID-19 symptoms, no limitation in physical activity is recommended. However, parameters such as frequency, intensity, type, and time need to be considered to prescribe the program and obtain the best results. Consequently, the level of physical activity that should be done during the outbreak has always been one of the most important and common questions. COVID-19 caused a global pandemic problem. No confident management is introduced for it yet. This study aimed to propose a dietary protocol for hospitalized patients with the diagnosis of acute respiratory infectious disease caused by COVID-19 based on Persian Medicine. This study was conducted in three phases. In the first phase, any diseases that could be matched with the clinical features of infection with COVID-19 were searched in selected PM references. In the second phase, medicinal herbs and foods that were available and could be used in the hospital diet were extracted and summarized. In the third phase, the new documentation of these pharmaceutical and food items was conducted. The signs and symptoms of infectious respiratory disease caused by COVID-19 can be categorized in the field of Zato al-rieh that can mainly be matched with pneumonia. Based on the described criteria, some nutrients and medicinal materia medica have been introduced for acute respiratory infection including Cydonia oblonga, Honey, Citrus sinensis, Malus domestica, Citrus medica, Crocus sativus, Raisin, Rosa Damas Cena, D.Carota, Camellia Sinensis, Anethum graveolens dhi, Punica granatum, Petroselinum Crispum, Coriandrum sativum, Urtica dioica, Allium sativum, Sesamum indicum. Most materia medica has documents in current articles including anti-cough suppressants, antiviral properties, anti-bacterial, anti-inflammatory, antioxidant, immunomodulatory etc. A protocol of hospital diet for patients with infectious respiratory syndrome caused by COVID-19 has been introduced in this manuscript. Most materia medica has documents in current articles including anti-cough suppressants, antiviral properties, anti-bacterial, anti-inflammatory, antioxidant, immunomodulatory etc. A protocol of hospital diet for patients with infectious respiratory syndrome caused by COVID-19 has been introduced in this manuscript.New Coronavirus which is called 2019-nCoV (2019-Novel-Coronavirus) or SARS-Cov-2 (Severe Acute respiratory Syndrome-Coronavirus 2) causes deadly pneumonia that first appeared in December 2019 in Wuhan city in China. This virus spreads all over the world quickly and made several problems for the community and healthcare system. Several drugs have been tried to manage COVID-19; however, our knowledge of this virus is not complete. At any rate, effective treatment or vaccine for this disease has not been discovered yet. Furthermore, to achieve this goal, more studies are needed on the structure of the virus and its pathogenesis mechanism. In this article, we summarized several articles suggesting treatments of COVID-19.Objective Lung cancer is the leading cause of cancer-related death worldwide. This population-based longitudinal study investigates survival rates and the burden of comorbidity before and after being diagnosed with lung cancer in Denmark. Methods From the Danish National Patient Registry (NPR) and the Danish Civil Registration System (CPR), 53,749 patients with lung cancer were identified and matched with 214,304 controls on age, gender, region of residence and marital status in the period 1998-2010. From the NPR, data on survival and comorbidity, registered as ICD-10 diagnoses, were extracted. Comorbidity was assessed using the Deyo-Charlson comorbidity score (DCcs) and mortality using Kaplan-Meier survival curves. Results 1-year survival rate for Danish lung cancer patients was 51.7 % (CI 51.3-52.1) and 5-year survival rate was 14.7 % (CI 14.3-15.0) compared to 96.8 % (CI 96.7-96.8) and 84.0 % (CI 83.9-84.2) for controls respectively. Overall, cases had significantly more comorbidity compared to controls before being diagnosed with lung cancer. Prior to being diagnosed with lung cancer, more cases than controls had been diagnosed with other malignancies (11.4 % vs 6.0 % p less then 0.005), diseases of the circulatory system (16.4 % vs 13.0 % p less then 0.005) and respiratory diseases (12.2 % vs 4.8 % p less then 0.005). Among lung cancer patients 21.8 % had a DCcs ≥ 1 compared to 13.3 % among controls (P less then 0.005). The 1-year survival for DCcs =0 was 54.8 % (CI 54.3-55.3) for lung cancer patients and 97.8 % (CI 97.7-97.9) for controls. Decreasing survival with increasing DCcs was found in both groups. Conclusion This study provides unique nationwide comorbidity data on patients before and after being diagnosed with lung cancer. We found increased mortality with increasing comorbidity, however more pronounced among controls compared to patients with lung cancer.The high mutation rate in retroviruses is one of the leading causes of drug resistance. In human immunodeficiency virus type-1 (HIV-1), synergistic mutations in its protease and the protease substrate - the Group-specific antigen (Gag) polyprotein - work together to confer drug resistance against protease inhibitors and compensate the mutations affecting viral fitness. Some Gag mutations can restore Gag-protease binding, yet most Gag-protease correlated mutations occur outside of the Gag cleavage site. To investigate the molecular basis for this, we now report multiscale modelling approaches to investigate various sequentially cleaved Gag products in the context of clinically relevant mutations that occur outside of the cleavage sites, including simulations of the largest Gag proteolytic product in its viral membrane-bound state. We found that some mutations, such as G123E and H219Q, involve direct interaction with cleavage site residues to influence their local environment, while certain mutations in the matrix domain lead to the enrichment of lipids important for Gag targeting and assembly.0 Commentarii 0 Distribuiri 64 Views 0 previzualizare -
s did not perform well when applied to real-world EHR data, retraining the models using real-world EHR data and optimizing variable selection was beneficial for model performance. As clinical evidence evolves to include more real-world data, both industry and academia will likely search for ways to balance model optimization with generalizability. This study provides a pragmatic approach to applying RCT-trained models to real-world data.
In this study, although the RCT-trained models did not perform well when applied to real-world EHR data, retraining the models using real-world EHR data and optimizing variable selection was beneficial for model performance. As clinical evidence evolves to include more real-world data, both industry and academia will likely search for ways to balance model optimization with generalizability. This study provides a pragmatic approach to applying RCT-trained models to real-world data.
While a number of studies have documented a notable decline in age-standardized prevalence in dementia in the U.S. population, relatively little is known about how dementia has declined for specific age and race groups, and the importance of changing educational attainment on the downward trend. https://www.selleckchem.com/products/rbn-2397.html We assess 1) how the trends in dementia prevalence may have differed across age and race groups and 2) the role of changing educational attainment in understanding these trends.
This paper estimates a series of logistic regression models using data from the Health and Retirement Study (2000-2014) to assess the relative annual decline in dementia prevalence and the importance of improving educational attainment for non-Hispanic Whites and non-Hispanic Blacks.
Consistent with other studies, we found significant declines in dementia for non-Hispanic Blacks and non-Hispanic Whites across this period. Nonetheless, these declines were not uniform across age and race groups. Non-Hispanic Blacks aged 65-74 had the steepest decline in this period. We also found that improved educational attainment in the population was fundamentally important in understanding declining dementia prevalence in the United States.
This study shows the importance of improvement in educational attainment in the early part of the 20 th century to understand the downward trend in dementia prevalence in the United States from 2000 to 2014.
This study shows the importance of improvement in educational attainment in the early part of the 20 th century to understand the downward trend in dementia prevalence in the United States from 2000 to 2014.
Previous reports suggest high-specialized adolescent athletes may be at a higher risk of injury, worse sleep quality, and lower sport enjoyment than low-specialized athletes. Currently, sport specialization literature is primarily composed of adolescent athletes from a variety of sports. However, it is unknown if the findings on sport specialization from predominantly non-running athletes are generalizable to adolescent long-distance runners.
Compare injury history, running volume, quality of life, sleep habits, and running enjoyment among male and female middle- and high-school long-distance runners from different sport specialization levels.
Cross-sectional.
Online survey.
A total of 102 male (age=15.8±0.9 years) and 157 female (age=15.6±1.4 years) uninjured middle- and high-school athletes who participated in long-distance running activities (completion rate=50.7%).
Participants were stratified by sex and sport specialization level (low, moderate, high). Group differences in self-reported runni. However, high-specialized runners did not report a greater number of running-related injuries, lower quality of life, or lower sleep quality or duration as expected.
High-specialized male and female middle- and high-school long-distance runners reported higher running volumes and running enjoyment than low-specialized runners. However, high-specialized runners did not report a greater number of running-related injuries, lower quality of life, or lower sleep quality or duration as expected.The origin of the Malagasy population has been a subject of speculation since the 16th century. Contributions of African, Asian, Indian, Melanesian, Arabic and Persian populations have been suggested based on physical and cultural anthropology, oral tradition, linguistics and later also by archaeology. In the mid-20th century, increased knowledge of heredity rules and technical progress enabled the identification of African and Asian populations as main contributors. Recent access to the genomic landscape of Madagascar demonstrated pronounced regional variability in the relative contributions of these two ancestries, yet with significant presence of both African and Asian components throughout Madagascar. This article reviews the extent to which genetic results have settled historical questions concerning the origin of the Malagasy population. After an overview of the early literature, the genetic results of the 20th and 21th centuries are discussed and then complemented by the latest results in genome-wide analyses. While there is still **** uncertainty regarding when, how and the circumstances under which the ancestors of the modern Malagasy population arrived on the island, we propose a scenario based on historical texts and genomic results.India represents an intricate tapestry of population substructure shaped by geography, language, culture, and social stratification. Although geography closely correlates with genetic structure in other parts of the world, the strict endogamy imposed by the Indian caste system and the large number of spoken languages add further levels of complexity to understand Indian population structure. To date, no study has attempted to model and evaluate how these factors have interacted to shape the patterns of genetic diversity within India. We merged all publicly available data from the Indian subcontinent into a data set of 891 individuals from 90 well-defined groups. Bringing together geography, genetics, and demographic factors, we developed Correlation Optimization of Genetics and Geodemographics to build a model that explains the observed population genetic substructure. We show that shared language along with social structure have been the most powerful forces in creating paths of gene flow in the subcontinent.
s did not perform well when applied to real-world EHR data, retraining the models using real-world EHR data and optimizing variable selection was beneficial for model performance. As clinical evidence evolves to include more real-world data, both industry and academia will likely search for ways to balance model optimization with generalizability. This study provides a pragmatic approach to applying RCT-trained models to real-world data. In this study, although the RCT-trained models did not perform well when applied to real-world EHR data, retraining the models using real-world EHR data and optimizing variable selection was beneficial for model performance. As clinical evidence evolves to include more real-world data, both industry and academia will likely search for ways to balance model optimization with generalizability. This study provides a pragmatic approach to applying RCT-trained models to real-world data. While a number of studies have documented a notable decline in age-standardized prevalence in dementia in the U.S. population, relatively little is known about how dementia has declined for specific age and race groups, and the importance of changing educational attainment on the downward trend. https://www.selleckchem.com/products/rbn-2397.html We assess 1) how the trends in dementia prevalence may have differed across age and race groups and 2) the role of changing educational attainment in understanding these trends. This paper estimates a series of logistic regression models using data from the Health and Retirement Study (2000-2014) to assess the relative annual decline in dementia prevalence and the importance of improving educational attainment for non-Hispanic Whites and non-Hispanic Blacks. Consistent with other studies, we found significant declines in dementia for non-Hispanic Blacks and non-Hispanic Whites across this period. Nonetheless, these declines were not uniform across age and race groups. Non-Hispanic Blacks aged 65-74 had the steepest decline in this period. We also found that improved educational attainment in the population was fundamentally important in understanding declining dementia prevalence in the United States. This study shows the importance of improvement in educational attainment in the early part of the 20 th century to understand the downward trend in dementia prevalence in the United States from 2000 to 2014. This study shows the importance of improvement in educational attainment in the early part of the 20 th century to understand the downward trend in dementia prevalence in the United States from 2000 to 2014. Previous reports suggest high-specialized adolescent athletes may be at a higher risk of injury, worse sleep quality, and lower sport enjoyment than low-specialized athletes. Currently, sport specialization literature is primarily composed of adolescent athletes from a variety of sports. However, it is unknown if the findings on sport specialization from predominantly non-running athletes are generalizable to adolescent long-distance runners. Compare injury history, running volume, quality of life, sleep habits, and running enjoyment among male and female middle- and high-school long-distance runners from different sport specialization levels. Cross-sectional. Online survey. A total of 102 male (age=15.8±0.9 years) and 157 female (age=15.6±1.4 years) uninjured middle- and high-school athletes who participated in long-distance running activities (completion rate=50.7%). Participants were stratified by sex and sport specialization level (low, moderate, high). Group differences in self-reported runni. However, high-specialized runners did not report a greater number of running-related injuries, lower quality of life, or lower sleep quality or duration as expected. High-specialized male and female middle- and high-school long-distance runners reported higher running volumes and running enjoyment than low-specialized runners. However, high-specialized runners did not report a greater number of running-related injuries, lower quality of life, or lower sleep quality or duration as expected.The origin of the Malagasy population has been a subject of speculation since the 16th century. Contributions of African, Asian, Indian, Melanesian, Arabic and Persian populations have been suggested based on physical and cultural anthropology, oral tradition, linguistics and later also by archaeology. In the mid-20th century, increased knowledge of heredity rules and technical progress enabled the identification of African and Asian populations as main contributors. Recent access to the genomic landscape of Madagascar demonstrated pronounced regional variability in the relative contributions of these two ancestries, yet with significant presence of both African and Asian components throughout Madagascar. This article reviews the extent to which genetic results have settled historical questions concerning the origin of the Malagasy population. After an overview of the early literature, the genetic results of the 20th and 21th centuries are discussed and then complemented by the latest results in genome-wide analyses. While there is still much uncertainty regarding when, how and the circumstances under which the ancestors of the modern Malagasy population arrived on the island, we propose a scenario based on historical texts and genomic results.India represents an intricate tapestry of population substructure shaped by geography, language, culture, and social stratification. Although geography closely correlates with genetic structure in other parts of the world, the strict endogamy imposed by the Indian caste system and the large number of spoken languages add further levels of complexity to understand Indian population structure. To date, no study has attempted to model and evaluate how these factors have interacted to shape the patterns of genetic diversity within India. We merged all publicly available data from the Indian subcontinent into a data set of 891 individuals from 90 well-defined groups. Bringing together geography, genetics, and demographic factors, we developed Correlation Optimization of Genetics and Geodemographics to build a model that explains the observed population genetic substructure. We show that shared language along with social structure have been the most powerful forces in creating paths of gene flow in the subcontinent.0 Commentarii 0 Distribuiri 63 Views 0 previzualizare -
Uterine perforation and IUD migration to the organs in the abdominopelvic cavity are serious complications of IUD insertion and can be successfully managed by laparoscopy, or by laparotomy in the presence of severe pelvic adhesions or unexpected complications.
Studies on etiopathogenesis of attention deficit/hyperactivity disorder (ADHD) are increasingly focussing on mitochondrial dysfunction. Children diagnosed with ADHD who had significantly higher mitochondrial DNA (mtDNA) copy numbers than healthy children in our first study were re-examined in 1-year follow-up to investigate effects of severity and treatment of ADHD on mtDNA.
Twenty-eight patients who participated in previous study were included in this follow-up study. Patients were equally divided into two groups according to whether they had been receiving treatment. Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version, and Conners Parent Rating Scale (CPRS) were used. Polymerase chain reaction was performed.
Means of the first and second mtDNA copy were similar in all patients. mtDNA copy numbers did not change between two measurements in treated and non-treated groups. There was a correlation between CPRS ADHD index and inattention scores andunctions.
There may be a relationship between decreased ADHD severity with treatment and positive effects of mitochondrial functions. Mitochondrial dysfunction may play a role in pathophysiology of ADHD.KEY POINTSThis was the first study to follow up ADHD patients in order to investigate mitochondrial dysfunction by measuring mtDNA copy numbers 1 year after the initial measurements.mtDNA copy number, one of the best markers of mitochondrial dysfunction, did not change in ADHD patients over a period of 1 year regardless of treatment.Mitochondrial dysfunction may play a role in the pathophysiology of ADHD, where it may be involved with or without treatment.In the treated group, there was an association between decreased ADHD severity and reduced mtDNA copy numbers.There may be a relationship between decreased ADHD severity with treatment and the positive effects of mitochondrial functions.The chemical characterization study of an endemic plant, Haplanthodes neilgherryensisis (Wight) R.B. Majumdar from Western Ghats of India, resulted in to the isolation of a new flavanone glycoside, 5-hydroxy-7-methoxy-8-O-β-D-glucopyranosyl-2S-flavanone (1), along with 3 known flavonoids, 7-O-methyl dihydrowogonin (2), 7-O-methyl wogonin (3), andrographidine C (4). The structure of 1 was elucidated by using 1 D and 2 D NMR and HRMS experimental data, while for the known compounds, 1H NMR and mass spectrometry data were compared with the reported literature. Compound 1 was tested in vitro to check the improvement in uptake of glucose by the L6 rat skeletal muscle tissues and the observed EC50 value was 5.8 µM, while rosiglitazone showed EC50 of 2.7 µM.Antioxidant activity of organoselenium compounds belonging to different classes i.e. functionalized aliphatic, aromatic and cyclic selenoethers, are compared on the basis of their ability to scavenge reactive oxygen species like hydroxyl and peroxyl radicals and to exhibit glutathione peroxidase (GPx) like catalytic activity. https://www.selleckchem.com/products/l-monosodium-glutamate-monohydrate.html The comparative analysis has revealed that the antioxidant activity of the organoselenium compounds show direct correlation with the energy of the highest occupied molecular orbital (HOMO) and neighboring group participation that stabilizes the reaction intermediate. Finally, structural features responsible for improving the rate of reaction of organoselenium compounds with free radical/molecular oxidants have been discussed on the basis of the compounds screened at our institute.Recently, three-dimensional (3D)-cultured adipose mesenchymal stem cells (ASCs) have provided an effective therapy for liver fibrosis. This study aimed to enhance the potential of human ASCs for antifibrosis or hepatocyte regeneration using a 3D culture system and investigate their therapeutic mechanism in experimental liver fibrosis. ASC-3Dc were generated in a 3D culture system and stimulated with four growth factors, namely epidermal growth factor, insulin-like growth factor (IGF)-1, fibroblast growth factor-2, and vascular endothelial growth factor-A. The expression levels of antifibrotic or hepatic regeneration factors were then measured using quantitative real-time polymerase chain reaction and enzyme-linked immunosorbent assay. The therapeutic effects of ASC-3Dc were determined using a liver fibrosis model induced by thioacetamide. Histological analysis was performed to elucidate the therapeutic mechanism. ASC-3Dc exhibited high levels of hepatocyte growth factor (HGF), IGF-1, stromal cell-derived factor (SDF)-1 genes, and protein expression. In addition, injecting ASC-3Dc significantly prevented hepatic fibrosis and improved liver function in vivo. Moreover, high numbers of ki-67-expressing hepatocytes were detected in the ASC-3Dc-injected livers. Albumin-expressing ASC-3Dc engrafted in fibrotic livers augmented HGF expression. Thus, short-term 3D-cultured ASCs may be a novel alternative to the conventional treatment for liver damage in clinical settings.In this work, we discovered a new phenomenon-asymptomatic COVID-19 infection, or covert case, during the pandemic. All the 3 patients had a history of exposure, with no symptoms, and no abnormalities were found in computed tomography scan or lab tests. Except for case 2, the other patients' severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) nucleic acid tests were negative. But their anti-SARS-COV-2 nucleocapsid antibody showed a dynamic trend, consistent with the process of virus infection and clearance. A growing number of asymptomatic or covert cases need more attention. Lack of surveillance may lead to another outbreak. We hope to demonstrate our cases to attract the attention of governments or health authorities that covert cases should be the focus as well.
Some 40% of colorectal cancer (CRC) patients present with anemia. Temporal trends of gradually decreasing Hb are suggested as a supplementary diagnostic tool for CRC. We set out to explore this concept in a strictly defined population.
A laboratory database identified patients ≥40 years that had ≥1 Hb test reported from primary care, Örebro county in 2000-17. Linkage to the Swedish Colorectal Cancer Registry identified patients diagnosed with CRC. Other primary care patients served as controls (110), matched by age and sex. Prediagnostic Hb in cases and controls were compared and temporal trajectories of Hb modelled using a nonlinear three-parameter logistic function.
1,534 CRC patients and 15,333 controls were identified. The average number of reported Hb tests in primary care per year increased successively, and diagnostic delay from detection of anemia to diagnosis of CRC decreased; in 2015-17 it was median 4 (IQR 2-6) months. No association was found between last Hb and stage of right-/left-sided colon, or rectal cancer.
Uterine perforation and IUD migration to the organs in the abdominopelvic cavity are serious complications of IUD insertion and can be successfully managed by laparoscopy, or by laparotomy in the presence of severe pelvic adhesions or unexpected complications. Studies on etiopathogenesis of attention deficit/hyperactivity disorder (ADHD) are increasingly focussing on mitochondrial dysfunction. Children diagnosed with ADHD who had significantly higher mitochondrial DNA (mtDNA) copy numbers than healthy children in our first study were re-examined in 1-year follow-up to investigate effects of severity and treatment of ADHD on mtDNA. Twenty-eight patients who participated in previous study were included in this follow-up study. Patients were equally divided into two groups according to whether they had been receiving treatment. Kiddie Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime Version, and Conners Parent Rating Scale (CPRS) were used. Polymerase chain reaction was performed. Means of the first and second mtDNA copy were similar in all patients. mtDNA copy numbers did not change between two measurements in treated and non-treated groups. There was a correlation between CPRS ADHD index and inattention scores andunctions. There may be a relationship between decreased ADHD severity with treatment and positive effects of mitochondrial functions. Mitochondrial dysfunction may play a role in pathophysiology of ADHD.KEY POINTSThis was the first study to follow up ADHD patients in order to investigate mitochondrial dysfunction by measuring mtDNA copy numbers 1 year after the initial measurements.mtDNA copy number, one of the best markers of mitochondrial dysfunction, did not change in ADHD patients over a period of 1 year regardless of treatment.Mitochondrial dysfunction may play a role in the pathophysiology of ADHD, where it may be involved with or without treatment.In the treated group, there was an association between decreased ADHD severity and reduced mtDNA copy numbers.There may be a relationship between decreased ADHD severity with treatment and the positive effects of mitochondrial functions.The chemical characterization study of an endemic plant, Haplanthodes neilgherryensisis (Wight) R.B. Majumdar from Western Ghats of India, resulted in to the isolation of a new flavanone glycoside, 5-hydroxy-7-methoxy-8-O-β-D-glucopyranosyl-2S-flavanone (1), along with 3 known flavonoids, 7-O-methyl dihydrowogonin (2), 7-O-methyl wogonin (3), andrographidine C (4). The structure of 1 was elucidated by using 1 D and 2 D NMR and HRMS experimental data, while for the known compounds, 1H NMR and mass spectrometry data were compared with the reported literature. Compound 1 was tested in vitro to check the improvement in uptake of glucose by the L6 rat skeletal muscle tissues and the observed EC50 value was 5.8 µM, while rosiglitazone showed EC50 of 2.7 µM.Antioxidant activity of organoselenium compounds belonging to different classes i.e. functionalized aliphatic, aromatic and cyclic selenoethers, are compared on the basis of their ability to scavenge reactive oxygen species like hydroxyl and peroxyl radicals and to exhibit glutathione peroxidase (GPx) like catalytic activity. https://www.selleckchem.com/products/l-monosodium-glutamate-monohydrate.html The comparative analysis has revealed that the antioxidant activity of the organoselenium compounds show direct correlation with the energy of the highest occupied molecular orbital (HOMO) and neighboring group participation that stabilizes the reaction intermediate. Finally, structural features responsible for improving the rate of reaction of organoselenium compounds with free radical/molecular oxidants have been discussed on the basis of the compounds screened at our institute.Recently, three-dimensional (3D)-cultured adipose mesenchymal stem cells (ASCs) have provided an effective therapy for liver fibrosis. This study aimed to enhance the potential of human ASCs for antifibrosis or hepatocyte regeneration using a 3D culture system and investigate their therapeutic mechanism in experimental liver fibrosis. ASC-3Dc were generated in a 3D culture system and stimulated with four growth factors, namely epidermal growth factor, insulin-like growth factor (IGF)-1, fibroblast growth factor-2, and vascular endothelial growth factor-A. The expression levels of antifibrotic or hepatic regeneration factors were then measured using quantitative real-time polymerase chain reaction and enzyme-linked immunosorbent assay. The therapeutic effects of ASC-3Dc were determined using a liver fibrosis model induced by thioacetamide. Histological analysis was performed to elucidate the therapeutic mechanism. ASC-3Dc exhibited high levels of hepatocyte growth factor (HGF), IGF-1, stromal cell-derived factor (SDF)-1 genes, and protein expression. In addition, injecting ASC-3Dc significantly prevented hepatic fibrosis and improved liver function in vivo. Moreover, high numbers of ki-67-expressing hepatocytes were detected in the ASC-3Dc-injected livers. Albumin-expressing ASC-3Dc engrafted in fibrotic livers augmented HGF expression. Thus, short-term 3D-cultured ASCs may be a novel alternative to the conventional treatment for liver damage in clinical settings.In this work, we discovered a new phenomenon-asymptomatic COVID-19 infection, or covert case, during the pandemic. All the 3 patients had a history of exposure, with no symptoms, and no abnormalities were found in computed tomography scan or lab tests. Except for case 2, the other patients' severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) nucleic acid tests were negative. But their anti-SARS-COV-2 nucleocapsid antibody showed a dynamic trend, consistent with the process of virus infection and clearance. A growing number of asymptomatic or covert cases need more attention. Lack of surveillance may lead to another outbreak. We hope to demonstrate our cases to attract the attention of governments or health authorities that covert cases should be the focus as well. Some 40% of colorectal cancer (CRC) patients present with anemia. Temporal trends of gradually decreasing Hb are suggested as a supplementary diagnostic tool for CRC. We set out to explore this concept in a strictly defined population. A laboratory database identified patients ≥40 years that had ≥1 Hb test reported from primary care, Örebro county in 2000-17. Linkage to the Swedish Colorectal Cancer Registry identified patients diagnosed with CRC. Other primary care patients served as controls (110), matched by age and sex. Prediagnostic Hb in cases and controls were compared and temporal trajectories of Hb modelled using a nonlinear three-parameter logistic function. 1,534 CRC patients and 15,333 controls were identified. The average number of reported Hb tests in primary care per year increased successively, and diagnostic delay from detection of anemia to diagnosis of CRC decreased; in 2015-17 it was median 4 (IQR 2-6) months. No association was found between last Hb and stage of right-/left-sided colon, or rectal cancer.0 Commentarii 0 Distribuiri 16 Views 0 previzualizare -
54000(d)-0.23786. The relationship between the dust concentration and ore particle size was c = 30.45323(d)-0.54273. The greater the maximum impact wind speed, the more the dust generated. The existence of natural wind flow will initially accelerate the speed of dust diffusion and increase the dust concentration, but with the increase in natural wind flow, the diffusion effect will gradually reduce the dust concentration. An increase in the mine heap height will cause the impact wind's speed and influence range to continuously decrease but will only have a small effect on the dust concentration.Nitrate-nitrogen (NO3-N) is a common pollutant in aquatic environments and causes many environmental issues and health problems. This study successfully applied the activated AC@CNT composite synthesized by CNTs in-situ growth and post-treated by myristyltrimethylammonium bromide (MTAB) for NO3-N adsorption from wastewater. The results show that the highest NO3-N adsorption capacity of AC@CNTs-M was 14.59 mg·g-1. https://www.selleckchem.com/products/PLX-4032.html The in-situ growth of CNTs gave a higher specific surface area and more mesoporous volume, while MTAB uniformly occupied part of the pore structure after the modification process. The AC@CNTs-M had more surface functional groups of hydroxyl and carboxyl, which are favorable for the adsorption of NO3-N. The NO3-N adsorption on AC@CNTs-M was best defined by the pseudo-second-order model, and the isothermal analysis shows that NO3-N adsorption is a multiple process with a maximum adsorption capacity of 27.07 mg·g-1. All the results demonstrate the great potential of AC@CNTs-M for NO3-N adsorption from water, especially in acidic wastewater.The thermal effect of coal adsorption/desorption gas is very important for understanding the evolution of coal temperature and interaction between coal and gas during coal and gas outburst. The pressure difference between the high gas pressure area in front of the working face and the low gas pressure area near the coal wall may affect the adsorption/desorption thermal effect. In order to reveal the characteristics of the coal adsorption/desorption gas thermal effect at different pressure differences, a thermo-hydro-mechanical-coupled experimental system of coal and gas was designed. Taking no.3 coal from Xinjing Mine as the research object, the characteristics of the coal adsorption/desorption gas thermal effect under different pressure differences are studied by using the cycle-step experiment method. It is found that coal adsorbs gas to release heat, while coal desorbs gas to absorb heat. Also, the temperature variation and temperature accumulation caused by adsorption are greater than those caused by desounder different geological structures or outburst types.The high dosage of surfactant terribly restrains the extensive application of viscoelastic surfactant (VES) fracturing fluid. In this study, a novel gemini surfactant (GLO) with long hydrophobic tails and double bonds was prepared and a VES fracturing fluid with a low concentration of GLO was developed. Because of the long tails bending near the double bonds, there is a significant improvement of the surfactant aggregate architecture, which realized the favorable viscosity of the VES fluid at a more economical concentration than the conventional VES fracturing fluids. Fourier transform infrared spectrometry (FT-IR), nuclear magnetic resonance spectrometry (1H NMR, 13C NMR), and high-resolution mass spectrometry (HRMS) were employed to study the formation of the product and the structure of GLO. The designed GLO was produced according to the results of the structure characterizations. The formula of the VES fracturing fluid was optimized to be 2.0 wt % GLO + 0.4 wt % sodium salicylate (NaSal) + 1.0 wt % KCl based on the measurements of the viscosity. The viscosity of the VES fluid decreased from 405.5 to 98.7 mPa·s as the temperature increased from 18 to 80 °C and reached equilibrium at about 70.2 mPa·s. The VES fluid showed a typical elastic pseudoplastic fluid with a yield stress of 0.5 Pa in the rheological tests. It realized a proppant setting velocity as low as 0.08 g/min in the dynamic proppant transport test carried by GLO-based VES fracturing fluid. Compared to the formation water, the filtrate of the VES fracturing fluid decreased the water contact angle (CA) from 56.2 to 45.4° and decreased the water/oil interfacial tension (IFT) from 19.5 to 1.6 mN/m. Finally, the VES fracturing fluid induced a low permeability loss rate of 10.4% and a low conductivity loss rate of 5.4% for the oil phase in the experiments of formation damage evaluation.In this work, the effect of an iron-based catalyst from coal liquefaction on coal gasification was studied. Two catalyst loading methods and three catalyst loading contents were taken into consideration. Besides, the carbon structure, surface morphology, and element distribution of coal char and gasified semi-char were investigated, and the interactions between the catalyst and internal minerals of coal were studied. The results showed that the coal char prepared by wet impregnation had higher reactivity than that prepared by a dry mixing method. From the perspective of improving the coal reactivity, the optimal addition method should be wet impregnation with a 2% catalyst. The model-free and model-fitting methods were applied to study the catalytic gasification kinetics. The iron-based catalyst would be broken during wet impregnation, and the catalyst fragments could stick to the surface of coal char, resulting in higher reactivity. The graphitization of char increased with the addition of the iron-based catalyst. This can imply that the carbon structure cannot effectively represent the gasification reactivity in the presence of the iron-based catalyst. The Iron-based catalyst can accelerate the gasification rate alone and can also provide higher catalytic activity with the internal minerals of coal.The present study describes the strategic doping of Fe metal ions into a BiOI microstructure using ex situ and in situ processes to synthesize a Fe-BiOI microstructure and their effect on photocatalytic degradation of tetracycline (TC). The data suggested that in situ Fe-BiOI (Fe-BiOI-In) has superior performance compared to ex situ Fe-BiOI (Fe-BiOI-Ex) due to the uniform dispersion of Fe within the Fe-BiOI material. Calculated bandgaps ∼1.8, ∼1.5, and 2.4 eV were observed for BiOI (without Fe), Fe-BiOI-In, and Fe-BiOI-Ex, respectively. Interestingly, Fe incorporation within BiOI might decrease the bandgap in Fe-BiOI-In due to the uniform distribution of metal ions, whereas increasing the bandgap in Fe-BiOI-Ex attributed to nonuniform distribution or agglomeration of metal ions. The uniform dispersion of Fe within Fe-BiOI modulates electronic properties as well as increases the exposure of Fe ions with TC, thereby higher degradation efficiency of TC. The in situ Fe-BiOI material shows 67 and 100% degradation of TC at 10 and 1 mg/L, respectively.
54000(d)-0.23786. The relationship between the dust concentration and ore particle size was c = 30.45323(d)-0.54273. The greater the maximum impact wind speed, the more the dust generated. The existence of natural wind flow will initially accelerate the speed of dust diffusion and increase the dust concentration, but with the increase in natural wind flow, the diffusion effect will gradually reduce the dust concentration. An increase in the mine heap height will cause the impact wind's speed and influence range to continuously decrease but will only have a small effect on the dust concentration.Nitrate-nitrogen (NO3-N) is a common pollutant in aquatic environments and causes many environmental issues and health problems. This study successfully applied the activated AC@CNT composite synthesized by CNTs in-situ growth and post-treated by myristyltrimethylammonium bromide (MTAB) for NO3-N adsorption from wastewater. The results show that the highest NO3-N adsorption capacity of AC@CNTs-M was 14.59 mg·g-1. https://www.selleckchem.com/products/PLX-4032.html The in-situ growth of CNTs gave a higher specific surface area and more mesoporous volume, while MTAB uniformly occupied part of the pore structure after the modification process. The AC@CNTs-M had more surface functional groups of hydroxyl and carboxyl, which are favorable for the adsorption of NO3-N. The NO3-N adsorption on AC@CNTs-M was best defined by the pseudo-second-order model, and the isothermal analysis shows that NO3-N adsorption is a multiple process with a maximum adsorption capacity of 27.07 mg·g-1. All the results demonstrate the great potential of AC@CNTs-M for NO3-N adsorption from water, especially in acidic wastewater.The thermal effect of coal adsorption/desorption gas is very important for understanding the evolution of coal temperature and interaction between coal and gas during coal and gas outburst. The pressure difference between the high gas pressure area in front of the working face and the low gas pressure area near the coal wall may affect the adsorption/desorption thermal effect. In order to reveal the characteristics of the coal adsorption/desorption gas thermal effect at different pressure differences, a thermo-hydro-mechanical-coupled experimental system of coal and gas was designed. Taking no.3 coal from Xinjing Mine as the research object, the characteristics of the coal adsorption/desorption gas thermal effect under different pressure differences are studied by using the cycle-step experiment method. It is found that coal adsorbs gas to release heat, while coal desorbs gas to absorb heat. Also, the temperature variation and temperature accumulation caused by adsorption are greater than those caused by desounder different geological structures or outburst types.The high dosage of surfactant terribly restrains the extensive application of viscoelastic surfactant (VES) fracturing fluid. In this study, a novel gemini surfactant (GLO) with long hydrophobic tails and double bonds was prepared and a VES fracturing fluid with a low concentration of GLO was developed. Because of the long tails bending near the double bonds, there is a significant improvement of the surfactant aggregate architecture, which realized the favorable viscosity of the VES fluid at a more economical concentration than the conventional VES fracturing fluids. Fourier transform infrared spectrometry (FT-IR), nuclear magnetic resonance spectrometry (1H NMR, 13C NMR), and high-resolution mass spectrometry (HRMS) were employed to study the formation of the product and the structure of GLO. The designed GLO was produced according to the results of the structure characterizations. The formula of the VES fracturing fluid was optimized to be 2.0 wt % GLO + 0.4 wt % sodium salicylate (NaSal) + 1.0 wt % KCl based on the measurements of the viscosity. The viscosity of the VES fluid decreased from 405.5 to 98.7 mPa·s as the temperature increased from 18 to 80 °C and reached equilibrium at about 70.2 mPa·s. The VES fluid showed a typical elastic pseudoplastic fluid with a yield stress of 0.5 Pa in the rheological tests. It realized a proppant setting velocity as low as 0.08 g/min in the dynamic proppant transport test carried by GLO-based VES fracturing fluid. Compared to the formation water, the filtrate of the VES fracturing fluid decreased the water contact angle (CA) from 56.2 to 45.4° and decreased the water/oil interfacial tension (IFT) from 19.5 to 1.6 mN/m. Finally, the VES fracturing fluid induced a low permeability loss rate of 10.4% and a low conductivity loss rate of 5.4% for the oil phase in the experiments of formation damage evaluation.In this work, the effect of an iron-based catalyst from coal liquefaction on coal gasification was studied. Two catalyst loading methods and three catalyst loading contents were taken into consideration. Besides, the carbon structure, surface morphology, and element distribution of coal char and gasified semi-char were investigated, and the interactions between the catalyst and internal minerals of coal were studied. The results showed that the coal char prepared by wet impregnation had higher reactivity than that prepared by a dry mixing method. From the perspective of improving the coal reactivity, the optimal addition method should be wet impregnation with a 2% catalyst. The model-free and model-fitting methods were applied to study the catalytic gasification kinetics. The iron-based catalyst would be broken during wet impregnation, and the catalyst fragments could stick to the surface of coal char, resulting in higher reactivity. The graphitization of char increased with the addition of the iron-based catalyst. This can imply that the carbon structure cannot effectively represent the gasification reactivity in the presence of the iron-based catalyst. The Iron-based catalyst can accelerate the gasification rate alone and can also provide higher catalytic activity with the internal minerals of coal.The present study describes the strategic doping of Fe metal ions into a BiOI microstructure using ex situ and in situ processes to synthesize a Fe-BiOI microstructure and their effect on photocatalytic degradation of tetracycline (TC). The data suggested that in situ Fe-BiOI (Fe-BiOI-In) has superior performance compared to ex situ Fe-BiOI (Fe-BiOI-Ex) due to the uniform dispersion of Fe within the Fe-BiOI material. Calculated bandgaps ∼1.8, ∼1.5, and 2.4 eV were observed for BiOI (without Fe), Fe-BiOI-In, and Fe-BiOI-Ex, respectively. Interestingly, Fe incorporation within BiOI might decrease the bandgap in Fe-BiOI-In due to the uniform distribution of metal ions, whereas increasing the bandgap in Fe-BiOI-Ex attributed to nonuniform distribution or agglomeration of metal ions. The uniform dispersion of Fe within Fe-BiOI modulates electronic properties as well as increases the exposure of Fe ions with TC, thereby higher degradation efficiency of TC. The in situ Fe-BiOI material shows 67 and 100% degradation of TC at 10 and 1 mg/L, respectively.0 Commentarii 0 Distribuiri 32 Views 0 previzualizare -
Conclusions Improvement of living conditions, with emphasis on working conditions as one of the intermediary social determinants, will play an important role in promoting PMH. Copyright © 2019 International Journal of Preventive Medicine.Background Urinary tract infection (UTI) is one of the most common infectious diseases ranking next to upper respiratory tract infections. https://www.selleckchem.com/products/Idarubicin.html UTIs are often significantly associated with morbidity and mortality. The inappropriate administration of antibiotics to treat these infections increased infection resistance to antibiotics. The aim of this study is to determine the frequency of antibiotic resistance pattern in UTIs. Methods We searched several databases including PubMed, Web of Science, Scopus, Google Scholar, Iran Medex, Magiran, IranDoc, MedLib, and Scientific Information Database to identify the studies addressing antibacterial resistance patterns of the most common uropathogenic bacteria in UTIs in Iran. A total of 90 reports published from different regions of Iran from 1992 to May 2015 were involved in this study. Results It is shown that the most common pathogen causing UTIs is Escherichia coli with 62%. The resistance among the isolates of E. coli was as follows ampicillin (86%), amoxicillin (76%), tetracycline (71%), trimethoprim-sulfamethoxazole (64%), cephalexin (61%), and cefalothin (60%). The highest sensitivity among isolates of E. coli was as follows imipenem (86%), nitrofurantoin (82%), amikacin (79%), chloramphenicol (72%), and ciprofloxacin (72%). Conclusions The results of this study showed that the most common resistance are antibiotics that are commonly used. The most effective antibiotics for E. coli were imipenem, nitrofurantoin, amikacin, chloramphenicol, and ciprofloxacin. Considering this study, it had better, use less gentamicin, second-generation cephalosporins, and nalidixic acid in the initial treatment of infections caused by E. coli, and no use penicillins, tetracyclines, cotrimoxazole, and first-generation cephalosporins. Copyright © 2019 International Journal of Preventive Medicine.Background The aim was to determine validity, reliability, and cutoff of full-mini nutritional assessment (MNA) and MNA-short form (SF) also which one was better for the screening of malnutrition in the Iranian hospitalized elderly. Methods In this cross-sectional validation study, 96 hospitalized elderly ≥60 years selected from two hospitals in Tehran. Anthropometric measures (body mass index [BMI], mid-arm circumference [MAC], calf circumference [CC], abdomen, and waist skinfold thickness) and laboratory tests (albumin and hemoglobin levels, and red blood cell count were performed. Nutrition tools (full-MNA and MNA-SF), cognition tool (mini-mental state examination, depression scale (Geriatric Depression Scale15 and activities of daily living (ADL) index (Modified Barthel-ADL) were administered. Results The full-MNA scores were significantly correlated to measures of MAC, BMI, waist, and CC. The MNS-SF scores were significantly related to measures of MAC, waist, and CC. Serum albumin showed a poor correlation with both tools. At cutoff 24 in full-MNA had a sensitivity 75% and specificity 77.8% and the MNA-SF considered 62.5% sensitivity and 65.3% specificity at cutoff 10.50 to detect well-nourished from malnourished subjects. The internal consistencies of both tools were >90%. In exploratory factor analysis, six components found for full-MNA and two components for MNA-SF. Known group validity of full-MNA was reflected significant differences between geriatric patients with expected higher full-MNA scores and patients with expected lower scores (BMI ≥24 vs. BMI less then 24 or bed ulcer or assisted food intake). Conclusions It seems the Persian version of full-MNA is more appropriate in comparison to MNA-SF for screening malnutrition in the Iranian hospitalized elderly patients. Copyright © 2019 International Journal of Preventive Medicine.Background Since women's readiness for dietary behavioral change can be one of the most effective fundamental measures for reducing dietary salt intake in line with preventing chronic diseases in developing countries, the present study is aimed to determine the readiness for behavioral change in discretionary salt intake among women living in Tehran. Methods The present cross-sectional study was conducted on 561 women referring to the women care units across city of Tehran. The self-administered questionnaire included assessment of nutrition-related knowledge on salt intake and its association with diseases, discretionary salt intake, stages of change, and self-efficacy of women. In addition, the logistic regression test was used to determine the predictors of women's readiness for behavioral change in discretionary salt intake. Results 40% women had someone in the family who had such a limitation (salt intake-limited exposure group), while 81.6% always or often added salt to their foods. Moreover, one-third of the participants were in the stage of pre-contemplation and 41.2% were in the stage of preparation for reducing salt intake. Self-efficacy and salt intake-limited exposure were the two most important determinants of the women's readiness for behavioral change in discretionary salt intake, respectively (OR = 1.1 95% CI 1.06--1.14 P less then 0.001; OR = 1.58, 95% CI 1.03--2.42 P less then 0.03). Conclusions Results of the present study showed that increased self-efficacy is associated with higher levels of behavioral change among women. Since self-efficacy is very important for initiating and maintaining the behavioral change, women's empowerment for reducing salt intake necessitates putting the emphasis on increased self-efficacy as well as community-based nutritional interventions. Copyright © 2019 International Journal of Preventive Medicine.Background Breast cancer has an impact not only on those who are diagnosed, but also on their social network, creating an even greater need for the availability of reliable information and support. Methods The purpose of this study was to document the content of posts on the highly popular social media platform, Instagram. Posts were garnered and analyzed from Instagram using the hashtag #breastcancer. Data were collected at three different points in time in 2018 and were then aggregated. Results The most common attributes were highlighting an individual story (n = 76), discussing support for those with breast cancer (n = 75), discussing treatment (n = 55), or promoting an alternative treatment or product (n = 24). Posts that contained images of people were more likely highlight an individual story (P = 0.001) and discuss treatment (P = 0.046). Conclusions Future research can focus on best practices for developing breast cancer-related information on social media. Copyright © 2019 International Journal of Preventive Medicine.
Conclusions Improvement of living conditions, with emphasis on working conditions as one of the intermediary social determinants, will play an important role in promoting PMH. Copyright © 2019 International Journal of Preventive Medicine.Background Urinary tract infection (UTI) is one of the most common infectious diseases ranking next to upper respiratory tract infections. https://www.selleckchem.com/products/Idarubicin.html UTIs are often significantly associated with morbidity and mortality. The inappropriate administration of antibiotics to treat these infections increased infection resistance to antibiotics. The aim of this study is to determine the frequency of antibiotic resistance pattern in UTIs. Methods We searched several databases including PubMed, Web of Science, Scopus, Google Scholar, Iran Medex, Magiran, IranDoc, MedLib, and Scientific Information Database to identify the studies addressing antibacterial resistance patterns of the most common uropathogenic bacteria in UTIs in Iran. A total of 90 reports published from different regions of Iran from 1992 to May 2015 were involved in this study. Results It is shown that the most common pathogen causing UTIs is Escherichia coli with 62%. The resistance among the isolates of E. coli was as follows ampicillin (86%), amoxicillin (76%), tetracycline (71%), trimethoprim-sulfamethoxazole (64%), cephalexin (61%), and cefalothin (60%). The highest sensitivity among isolates of E. coli was as follows imipenem (86%), nitrofurantoin (82%), amikacin (79%), chloramphenicol (72%), and ciprofloxacin (72%). Conclusions The results of this study showed that the most common resistance are antibiotics that are commonly used. The most effective antibiotics for E. coli were imipenem, nitrofurantoin, amikacin, chloramphenicol, and ciprofloxacin. Considering this study, it had better, use less gentamicin, second-generation cephalosporins, and nalidixic acid in the initial treatment of infections caused by E. coli, and no use penicillins, tetracyclines, cotrimoxazole, and first-generation cephalosporins. Copyright © 2019 International Journal of Preventive Medicine.Background The aim was to determine validity, reliability, and cutoff of full-mini nutritional assessment (MNA) and MNA-short form (SF) also which one was better for the screening of malnutrition in the Iranian hospitalized elderly. Methods In this cross-sectional validation study, 96 hospitalized elderly ≥60 years selected from two hospitals in Tehran. Anthropometric measures (body mass index [BMI], mid-arm circumference [MAC], calf circumference [CC], abdomen, and waist skinfold thickness) and laboratory tests (albumin and hemoglobin levels, and red blood cell count were performed. Nutrition tools (full-MNA and MNA-SF), cognition tool (mini-mental state examination, depression scale (Geriatric Depression Scale15 and activities of daily living (ADL) index (Modified Barthel-ADL) were administered. Results The full-MNA scores were significantly correlated to measures of MAC, BMI, waist, and CC. The MNS-SF scores were significantly related to measures of MAC, waist, and CC. Serum albumin showed a poor correlation with both tools. At cutoff 24 in full-MNA had a sensitivity 75% and specificity 77.8% and the MNA-SF considered 62.5% sensitivity and 65.3% specificity at cutoff 10.50 to detect well-nourished from malnourished subjects. The internal consistencies of both tools were >90%. In exploratory factor analysis, six components found for full-MNA and two components for MNA-SF. Known group validity of full-MNA was reflected significant differences between geriatric patients with expected higher full-MNA scores and patients with expected lower scores (BMI ≥24 vs. BMI less then 24 or bed ulcer or assisted food intake). Conclusions It seems the Persian version of full-MNA is more appropriate in comparison to MNA-SF for screening malnutrition in the Iranian hospitalized elderly patients. Copyright © 2019 International Journal of Preventive Medicine.Background Since women's readiness for dietary behavioral change can be one of the most effective fundamental measures for reducing dietary salt intake in line with preventing chronic diseases in developing countries, the present study is aimed to determine the readiness for behavioral change in discretionary salt intake among women living in Tehran. Methods The present cross-sectional study was conducted on 561 women referring to the women care units across city of Tehran. The self-administered questionnaire included assessment of nutrition-related knowledge on salt intake and its association with diseases, discretionary salt intake, stages of change, and self-efficacy of women. In addition, the logistic regression test was used to determine the predictors of women's readiness for behavioral change in discretionary salt intake. Results 40% women had someone in the family who had such a limitation (salt intake-limited exposure group), while 81.6% always or often added salt to their foods. Moreover, one-third of the participants were in the stage of pre-contemplation and 41.2% were in the stage of preparation for reducing salt intake. Self-efficacy and salt intake-limited exposure were the two most important determinants of the women's readiness for behavioral change in discretionary salt intake, respectively (OR = 1.1 95% CI 1.06--1.14 P less then 0.001; OR = 1.58, 95% CI 1.03--2.42 P less then 0.03). Conclusions Results of the present study showed that increased self-efficacy is associated with higher levels of behavioral change among women. Since self-efficacy is very important for initiating and maintaining the behavioral change, women's empowerment for reducing salt intake necessitates putting the emphasis on increased self-efficacy as well as community-based nutritional interventions. Copyright © 2019 International Journal of Preventive Medicine.Background Breast cancer has an impact not only on those who are diagnosed, but also on their social network, creating an even greater need for the availability of reliable information and support. Methods The purpose of this study was to document the content of posts on the highly popular social media platform, Instagram. Posts were garnered and analyzed from Instagram using the hashtag #breastcancer. Data were collected at three different points in time in 2018 and were then aggregated. Results The most common attributes were highlighting an individual story (n = 76), discussing support for those with breast cancer (n = 75), discussing treatment (n = 55), or promoting an alternative treatment or product (n = 24). Posts that contained images of people were more likely highlight an individual story (P = 0.001) and discuss treatment (P = 0.046). Conclusions Future research can focus on best practices for developing breast cancer-related information on social media. Copyright © 2019 International Journal of Preventive Medicine.0 Commentarii 0 Distribuiri 92 Views 0 previzualizare
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