A Self-cleaning surface can efficaciously solve the problem of irreversible contamination buildup on filtration membranes. Photocatalytic membranes were fabricated via vacuum assisted layer-by-layer (LBL) self-assembly of 0D-2D Bi2MoO6-g-C3N4 on a PDA coated thin-film composite PVDF substrate by Schiff base reaction. The rejection rate of the simulated polysaccharide was more than 90%, and that of the simulated protein was more than 80%. The combination of the membrane and the photocatalyst promoted the degradation of tetracycline hydrochloride by the composite membrane to 67.85% when original membranes had minor effect. Under visible light, reversible radiation pollutants (Rr) gradually replaced irreversible pollutants (Rir) as the main pollutants. The flux recovery ratio (FRR) of 0D-2D Bi2MoO6-g-C3N4/PVDF membrane was 85% after being irradiated with visible light for 30 min. The flux recovery rate of contaminated photocatalytic membrane remained 75%, and the rejection was maintained in a stable range after four cycles of the cleaning operation under visible light. The results indicated that the excellent photocatalytic performance of 0D-2D Bi2MoO6-g-C3N4 photocatalysis material and the increase of multi-dimensional functional layer morphology on pollutant contact area improved the mechanical stability, interception performance and self-cleaning performance of the composite membrane. This work not only builds a new type of composite coating membranes, but also help us to further understand the relationship between the dimensions of photocatalytic materials and the improvement of photocatalytic membrane performance.Heterogeneously structured materials with supported precious metals, such as Pd, Pt, and Ru, as co-catalysts are important catalysts for efficient photocatalytic water splitting. However, the high costs and low reserves of precious metals have been an obstacle to their application in hydrogen production. In this work, the noble-metal-free Cd0.3Zn0.7S solid solution was designed and synthesized with an optimized molar ratio of Cd/Zn for the best visible light photocatalytic performance. In addition, a heterojunction hybrid material formed between the Cd0.3Zn0.7S and Ni(OH)2 nanosheet was engineered to improve the utilization of light and to inhibit the recombination of holes and electrons. https://www.selleckchem.com/products/17-AAG(Geldanamycin).html Ni(OH)2 nanosheets assisted the transfer of the photoexcited electrons to participate in the reduction reactions which is critical for efficient and rapid catalytic hydrogen production. The photoelectrochemical property of the hybrid material was investigated with UV-vis absorption, photoluminance (PL) and electrochemical impedance spectroscopy measurements. The mechanism of the high-efficiency and low-cost photocatalytic hydrogen production was established by analyzing the hydrogen evolution kinetics. With the success of replacing precious metal with nickel-based surface heterostructure, this work is expected to provide a new type of photocatalyst for the application of photocatalytic hydrogen production.The nanozyme-based antioxidant system could protect normal cells from oxidative stress due to their reactive oxygen species (ROS) scavenging activity and good chemical stability. However, its use is limited for practical in vivo applications due to the high cost and poor biocompatibility (low catalytic efficiency). Herein, MoS2 decorated on TiO2 nanobelts (MoS2@TiO2) was prepared for antioxidation applications. The as-prepared MoS2@TiO2 heterostructure with 50 wt% MoS2 showed the highest efficient catalase activity and superoxide dismutase (SOD) activity under normal physiological conditions. The composite was superior to its single component in terms of enhanced dispersibility and catalytic performance resulting from the higher surface specific area and more exposed active sites. MoS2@TiO2 was not only confirmed to have good in vitro and in vivo biocompatibility but can also effectively eliminate the endogenous excessive accumulation of ROS caused by oxidative stress using the fibroblast cell (L929) line as a model. Further experiments confirmed that in the established mouse oxidative stress model, MoS2@TiO2 can quickly restore the ROS to a normal level in the oxidative stress site of the mouse. These results indicated that MoS2@TiO2 enzyme-like nanomaterials can provide a huge therapeutic potential in future antioxidant defence applications.The anthraquinone scaffold has long been known as a source of efficacious antitumor drugs. In particular, the various chemical modifications of the side chains in this scaffold have yielded the compounds potent for the wild type tumor cells, their counterparts with molecular determinants of altered drug response, as well as in vivo settings. Further exploring the chemotype of anticancer heteroarene-fused anthraquinones, we herein demonstrate that derivative of anthra[2,3-b]thiophene-2-carboxamide, (compound 8) is highly potent against a panel of human tumor cell lines and their drug resistant variants. Treatment with submicromolar or low micromolar concentrations of 8 for only 30 min was sufficient to trigger lethal damage of K562 chronic myelogenous leukemia cells. Compound 8 (2.5 μM, 3-6 h) induced an apoptotic cell death as determined by concomitant activation of caspases 3 and 9, cleavage of poly(ADP-ribose) polymerase, increase of Annexin V/propidium iodide double stained cells, DNA fragmentation (subG1 fraction) and a decrease of mitochondrial membrane potential. Neither a significant interaction with double stranded DNA nor strong inhibition of the DNA dependent enzyme topoisomerase 1 by 8 were detectable in cell free systems. Laser scanning confocal microscopy revealed that some amount of 8 was detectable in mitochondria as early as 5 min after the addition to the cells; exposure for 1 h caused significant morphological changes and clustering of mitochondria. The bioisosteric analog 2 in which the thiophene ring was replaced with furan was less active although the patterns of cytotoxicity of both derivatives were similar. These results point at the specific role of the sulfur atom in the antitumor properties of carboxamide derivatives of heteroarene-fused anthraquinone.