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71 to 2.16 nm were all ultra-small (more than half were nanoclusters less then 2 nm) and highly dispersed, owing to the high electrostatic attraction of the negatively charged hydroxyls and the anchoring effect of the micropores on the hydroxylated surface of the Janus SiNSs. Therefore, the Ag/xSn-SiNSs nanocomposites displayed better catalytic properties for 4-nitrophenol reduction than most Ag-based supported catalysts, and the optimal Ag/2.4Sn-SiNSs catalyst exhibited quick reaction within 80 s and turnover frequency (TOF) of 3.34 min-1. It reveals the key role of negatively charged surface hydroxyls and micropores of Janus SiNSs in the highly efficient and dispersed assembly of functional materials.Two-dimensional (2D) multiferroic materials have great potential applications in multifunctional nanoelectronics devices. Here, we construct a series of stable and isolated monolayers as 2D manganese nitrohalides MnNX (X = F, Cl, Br, and I) and systematically investigate the structural, electronic and magnetic properties using first-principles and Monte Carlo simulations. We find that ground states simultaneously show in-plane ferroelasticity and room-temperature ferromagnetic properties. We also reveal that the in-plane magnetic anisotropy can be tunable by the uniaxial ferroelastic strain. Our results will provide significant implications for future experiments and the design of new functional materials at the nanoscale.Decontamination of industrial wastewater containing toxic organic dye molecules and oxoanions is urgently desirable for environmental sustainability and human health. Water-stable porous metal-organic frameworks (MOFs) have emerged as highly efficient photocatalysts and/or adsorbents for water purification through controllable integration of the constitutive requirements. To reveal the inclusion anion effect of microporous MOFs on wastewater treatment, two isostructural MOFs incorporating positive charge and semiconductive characteristics, [Cu(tpt)]·3H2O·0.5SO4n (1) and [Cu(tpt)]·2H2O·ClO4n (2, tpt = 2,4,6-tris(4-pyridyl)-1,3,5-triazine), have been synthesized and employed as dual-functional materials for both dye photodegradation and oxoanion removal. The two MOFs possess the same 3-fold interpenetrating cationic backbones but are encapsulated by highly disordered sulfate or perchlorate in the open channels. https://www.selleckchem.com/products/ulonivirine.html These included anions have significantly tuned the hydrophilicity of the channels, extended the visible-light absorption, optimized the bandgap and decreased the conduction band potential. Under the low-energy irradiation of a 30 W LED lamp, MOF 1 has selectively and efficiently degraded rhodamine B compared to 2 with accelerated kinetics, resulting from the stronger reduction ability and less migration resistance of the photogenerated electrons. Instead, MOF 2 can quickly capture harmful MnO4- and Cr2O72- by exchanging with the entrapped ClO4-, with maximum adsorption amounts of 557 and 168 mg g-1, respectively, under ambient conditions. The improved decolorization of the aqueous solution over 2 benefits essentially from the shape and charge memory effect and the smaller hydration energy of ClO4- than SO42-. These interesting observations highlight the importance of the included anions inside the porous MOF semiconductors on wastewater treatment.Specific reaction parameter density functionals (SRP-DFs) that can describe dissociative chemisorption molecular beam experiments of hydrogen (H2) on cold transition metal surfaces with chemical accuracy have so far been shown to be only transferable among different facets of the same metal, but not among different metals. We design new SRP-DFs that include non-local vdW-DF2 correlation for the H2 + Cu(111) system, and evaluate their transferability to the highly activated H2 + Ag(111) and H2 + Au(111) systems and the non-activated H2 + Pt(111) system. We design our functionals for the H2 + Cu(111) system since it is the best studied system both theoretically and experimentally. Here we demonstrate that a SRP-DF fitted to reproduce molecular beam sticking experiments for H2 + Cu(111) with chemical accuracy can also describe such experiments for H2 + Pt(111) with chemical accuracy, and vice versa. Chemically accurate functionals have been obtained that perform very well with respect to reported van der Waals well geometries, and which improve the description of the metal over current generalized gradient approximation (GGA) based SRP-DFs. From a systematic comparison of our new SRP-DFs that include non-local correlation to previously developed SRP-DFs, for both activated and non-activated systems, we identify non-local correlation as a key ingredient in the construction of transferable SRP-DFs for H2 interacting with transition metals. Our results are in excellent agreement with experiment when accurately measured observables are available. It is however clear from our analysis that, except for the H2 + Cu(111) system, there is a need for more, more varied, and more accurately described experiments in order to further improve the design of SRP-DFs. Additionally, we confirm that, when including non-local correlation, the sticking of H2 on Cu(111) is still well described quasi-classically.The metabolic enzyme-based arginine deprivation represents a tremendous opportunity to treat argininosuccinate synthetase (ASS1)-deficient tumors. Arginine deiminase (ADI), a typical representative, has aroused great interest. To date, the functional modification of ADI, such as PEGylation, has been applied to improve its weakness significantly, reducing its immunogenicity and extending its blood circulation time. However, the advantages of ADI, such as the cellular non-uptake property, are often deprived by current modification methods. The cellular non-uptake property of ADI only renders extracellular arginine degradation that negligibly influences normal cells. However, current-functionalized ADIs can be readily phagocytized by cells, causing the imbalance of intracellular amino acids and the consequent damage to normal cells. Therefore, it is necessary to exploit a new method that can simultaneously improve the weakness of ADI and maintain its advantage of cellular non-uptake. Here, we utilized a kind of phosphorylcholine (PC)-rich nanocapsule to load ADI.
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