Scandium-III-nitrides: A New Material Platform for Semiconductor Photocatalysts with High Reducing Power.

Semiconductor nanowires have become emerging photocatalysts in artificial photosynthesis processes for solar fuel production. For reduction reactions, semiconductor photocatalysts with high reducing powers are highly desirable, especially for chemicals that are extremely difficult to reduce. This study introduces a new semiconductor photocatalyst, scandium (Sc)-III-nitrides, which have higher reducing powers than all conventional semiconductor photocatalysts.

Thermal Characterization of Ferroelectric AlBN for Nonvolatile Memory.

Boron (B)-substituted wurtzite AlN (AlBN) is a recently discovered wurtzite ferroelectric material that offers several advantages over ferroelectric HfZrO and PbZrTiO. Such benefits include a relatively low growth temperature as well as a thermally stable, and thickness-stable ferroelectric polarization; these factors are promising for the development of ferroelectric nonvolatile random-access memory (FeRAM) that are CMOS-compatible, scalable, and reliable for storing data in harsh environments. However, wurtzite ferroelectric materials may undergo exacerbated self-heating upon polarization switching relative to other ferroelectric materials; the larger energy loss is anticipated due to the higher coercive field and remanent polarization.

IRE1α Mediates the Hypertrophic Growth of Cardiomyocytes Through Facilitating the Formation of Initiation Complex to Promote the Translation of TOP-Motif Transcripts.

Background: Cardiomyocyte growth is coupled with active protein synthesis, which is one of the basic biological processes in living cells. However, it is unclear whether the unfolded protein response transducers and effectors directly take part in the control of protein synthesis. The connection between critical functions of the unfolded protein response in cellular physiology and requirements of multiple processes for cell growth prompted us to investigate the role of the unfolded protein response in cell growth and underlying molecular mechanisms.

Achieving high-capacity aqueous supercapacitors anion-doped construction of dual redox centers in NiCoSeO.

In asymmetric supercapacitors, transition metal selenates are promising electrodes, but their capacity are limited by a single redox center. To further enhance the performance of transition metal selenates, NiCoSeO (NCSeO) doped with N and Cl was prepared on nickel-plated carbon cloth (NCSeO-NCl-NiCC). During electrochemical reactions, NCSeO can be converted to M(OH) (M = Ni/Co) and OH is replaced by N and Cl.

Low-Cytotoxic Core-Sheath ZnO NWs@TiON Triggered Piezo-photocatalytic Antibacterial Activity.

Sonophotodynamic antimicrobial therapy (SPDAT) is recognized as a highly efficient biomedical treatment option, known for its versatility and remarkable healing outcomes. Nevertheless, there is a scarcity of sonophotosensitizers that demonstrate both low cytotoxicity and exceptional antibacterial effectiveness in clinical applications. In this paper, a novel ZnO nanowires (NWs)@TiON core-sheath composite was developed, which integrates the piezoelectric effect and heterojunction to build dual built-in electric fields.

What Elements Really Intercalate into Pd Lattice When Heated in Dimethylformamide?

Palladium hydrides (PdH) are pivotal in both fundamental research and practical applications across a wide spectrum. PdH nanocrystals, synthesized by heating in dimethylformamide (DMF), exhibit remarkable stability, granting them widespread applications in the field of electrocatalysis. However, this stability appears inconsistent with their metastable nature.

Leakage Mechanism and Cycling Behavior of Ferroelectric AlScN.

Ferroelectric scandium-doped aluminum nitride (AlScN) is of considerable research interest because of its superior ferroelectricity. Studies indicate that AlScN may suffer from a high leakage current, which can hinder further thickness scaling and long-term reliability. In this work, we systematically investigate the origin of the leakage current in AlScN films via experiments and theoretical calculations.

Two-dimensional III-nitride alloys: electronic and chemical properties of monolayer GaAlN.

Potential applications of III-nitrides have led to their monolayer allotropes, , two-dimensional (2D) III-nitrides, having attracted much attention. Recently, alloying has been demonstrated as an effective method to control the properties of 2D materials. In this study, the stability, and the electronic and chemical properties of monolayer GaAlN alloys were investigated employing density functional theory (DFT) calculations and the cluster expansion (CE) method.

High-Rate CO Electrolysis to Formic Acid over a Wide Potential Window: An Electrocatalyst Comprised of Indium Nanoparticles on Chitosan-Derived Graphene.

Realizing industrial-scale production of HCOOH from the CO reduction reaction (CO RR) is very important, but the current density as well as the electrochemical potential window are still limited to date. Herein, we achieved this by integration of chemical adsorption and electrocatalytic capabilities for the CO RR via anchoring In nanoparticles (NPs) on biomass-derived substrates to create In/X-C (X=N, P, B) bifunctional active centers. The In NPs/chitosan-derived N-doped defective graphene (In/N-dG) catalyst had outstanding performance for the CO RR with a nearly 100 % Faradaic efficiency (FE) of HCOOH across a wide potential window.

Palladium Enhanced Iron Active Site - An Efficient Dual-Atom Catalyst for Oxygen Electroreduction.

Metal-nitrogen-carbon (M-C/N) electrocatalysts have been shown to have satisfactory catalytic activity and long-term durability for the oxygen reduction reaction (ORR). Here, a strategy to prepare a new electrocatalyst (Fe&Pd-C/N) using a unique metal-containing ionic liquid (IL) is exploited, in which Fe & Pd ions are positively charged species atomically dispersed by coordination to the N of the N-doped C substrate, C/N. X-ray absorption fine structure, XPS and aberration-corrected transmission electron microscopy results verified a well-defined dual-atom configuration comprising Fe -N coupled Pd -N sites and well-defined spatial distribution.

Effect of a-SiCN:H Encapsulation on the Stability and Photoluminescence Property of CsPbBr Quantum Dots.

The effect of a-SiCN:H encapsulation layers, which are prepared using the very-high-frequency plasma-enhanced chemical vapor deposition (VHF-PECVD) technique with SiH, CH, and NH as the precursors, on the stability and photoluminescence of CsPbBr quantum dots (QDs) were investigated in this study. The results show that a-SiCxNy:H encapsulation layers containing a high N content of approximately 50% cause severe PL degradation of CsPbBr QDs. However, by reducing the N content in the a-SiCxNy:H layer, the PL degradation of CsPbBr QDs can be significantly minimized.

Modeling the Operating Performance of a Drinking Water Biological Aerated Filter and the Formation of Organic Nitrogen.

In this study, simultaneous storage and growth mechanism, as well as the formation processes of organic nitrogen (ON), were both introduced into activated sludge model 3 (ASM3), and ASM3-ON was formed to predict the operation of biofilm treatment processes and the formation of dissolved organic nitrogen (DON). ASM3-ON was applied to a lab-scale biological aerated filter (BAF) for water supply. During the simulation, the sensitivities of chemical oxygen demand (COD), ammonia nitrogen (NH-N), nitrate nitrogen (NO-N), and DON to the stoichiometric and kinetic coefficients in the model were analyzed first by the Sobol method.

Trial of Endovascular Therapy for Acute Ischemic Stroke with Large Infarct.

Background: The role of endovascular therapy for acute stroke with a large infarction has not been extensively studied in differing populations.

Methods: We conducted a multicenter, prospective, open-label, randomized trial in China involving patients with acute large-vessel occlusion in the anterior circulation and an Alberta Stroke Program Early Computed Tomography Score of 3 to 5 (range, 0 to 10, with lower values indicating larger infarction) or an infarct-core volume of 70 to 100 ml. Patients were randomly assigned in a 1:1 ratio within 24 hours from the time they were last known to be well to undergo endovascular therapy and receive medical management or to receive medical management alone.

Unconventional Transformations of Difluorocarbene with Amines and Ethers.

ConspectusFluorine-containing compounds are extensively involved in various fields originating from intriguing and unique characteristics of fluorine atom; notably, in pharmaceuticals, the involvement of a fluorine atom or a fluorine-containing group is a chief technique for improving the pesticide effect and developing new drugs. Difluorocarbene, one of the most important and powerful fluorine-containing reagents, is widely employed and studied in many areas mainly to assemble -difluoromethyl molecules, including but not limited to the abundant reactions between difluorocarbene with nucleophilic substrates, Wittig reaction with ketones or aldehydes, cascade reaction with both a nucleophile and an electrophile, or [2+1] cycloaddition with alkenes or alkynes. However, its unconventional and intriguing protocols beyond as a difluoromethyl synthon have rarely been studied, and thus, it is highly desired given its abundance, inexpensiveness and peculiar properties.

Carbon-Nitride-Based Materials for Advanced Lithium-Sulfur Batteries.

Lithium-sulfur (Li-S) batteries are promising candidates for next-generation energy storage systems owing to their high energy density and low cost. However, critical challenges including severe shuttling of lithium polysulfides (LiPSs) and sluggish redox kinetics limit the practical application of Li-S batteries. Carbon nitrides (CN), represented by graphitic carbon nitride (g-CN), provide new opportunities for overcoming these challenges.

In-situ synthesis of NiCoN/N-doped carbon ultrathin nanosheet arrays by supramolecular pyrolysis for boosting electrocatalytic hydrogen evolution in universal pH range water and natural seawater.

Nanostructured electrocatalysts with unique surfaces and interfaces for hydrogen evolution reaction (HER) are crucial for achieving high performance in universal pH water and natural seawater. Herein, a supramolecular liquid precursor was designed and applied to grow NiCoN/N-doped carbon (NC) ultrathin nanosheet arrays (NiCoN/NC) on carbon cloth through one-step pyrolysis. According to the X-ray absorption spectra, Ni was successfully alloyed into CoN to form NiCoN/NC, which regulates the intrinsic electronic structure and optimizes the adsorption/desorption energy of the catalyst.

Phase-Controlled Synthesis of Nickel-Iron Nitride Nanocrystals Armored with Amorphous N-Doped Carbon Nanoparticles Nanocubes for Enhanced Overall Water Splitting.

Transition metal nitrides (TMNs) nanostructures possess distinctive electronic, optical, and catalytic properties, showing great promise to apply in clean energy, optoelectronics, and catalysis fields. Nonetheless, phase-regulation of NiFe-bimetallic nitrides nanocrystals or nanohybrid architectures confronts challenges and their electrocatalytic overall water splitting (OWS) performances are underexplored. Herein, novel pure-phase Ni Fe N nanocrystals armored with amorphous N-doped carbon (NC) nanoparticles nanocubes (NPNCs) are obtained by controllable nitridation of NiFe-Prussian-blue analogues derived oxides/NC NPNCs under Ar/NH atmosphere.

A Database of Solution Additives Promoting Mg Dehydration and the Onset of MgCO Nucleation.

Formed via aqueous carbonation of Mg ions, the crystallization of magnesite (MgCO) is a promising route to carbon capture and reuse, albeit limited by the slow precipitation of MgCO. Although magnesite is naturally abundant, forming at low temperature conditions, its industrial production is an energy-intensive process due to the temperatures required to prevent the formation of hydrated phases. The principal difficulty in aqueous conditions arises from the very strong Mg···HO interaction, with high barriers to Mg dehydration.

CN: A novel 2D carbon nitride with sp-N as support for efficient hydrogen production.

Two-dimensional (2D) carbon nitrides (CN) have great potential in advanced fields such as energy harvest and storage. We report a novel 2D CN, CN, comprising sp-N and sp-C atoms. Density functional theory calculations indicate that electronically, thermally, and dynamically stable CN is metallic even when cut into very narrow nanoribbons.

Reduced miR-363-3p expression in non-small cell lung cancer is associated with gemcitabine resistance via targeting of CUL4A.

The article "Reduced miR-363-3p expression in non-small cell lung cancer is associated with gemcitabine resistance via targeting of CUL4A", W.-G. Bian, X.

Synergistic Engineering of Defects and Heterostructures Enhance Lithium/Sodium Storage Properties of F-SnO -SnS Nanocrystals Supported on N,S-Graphene.

Phase engineering of the electrode materials in terms of designing heterostructures, introducing heteroatom and defects, improves great prospects in accelerating the charge storage kinetics during the repeated Li /Na insertion/deintercalation. Herein, a new design of Li/Na-ion battery anodes through phase regulating is reported consisting of F-doped SnO -SnS heterostructure nanocrystals with oxygen/sulfur vacancies (V /V ) anchored on a 2D sulfur/nitrogen-doped reduced graphene oxide matrix (F-SnO -SnS @N/S-RGO). Consequently, the F-SnO -SnS @N/S-RGO anode demonstrates superb high reversible capacity and long-term cycling stability.

Azatricyclic Inverse Agonists of RORγt That Demonstrate Efficacy in Models of Rheumatoid Arthritis and Psoriasis.

Structure-activity relationship studies directed toward the replacement of the fused phenyl ring of the lead hexahydrobenzoindole RORγt inverse agonist series represented by with heterocyclic moieties led to the identification of three novel aza analogs -. The hexahydropyrrolo[3,2-]quinoline series (X = N, Y = Z=CH) showed potency and metabolic stability comparable to series but with improved membrane permeability and serum free fraction. This structural modification was applied to the hexahydrocyclopentanaphthalene series , culminating in the discovery of as a potent and selective RORγt inverse agonist with an excellent profile, good pharmacokinetic properties, and biologic-like efficacy in preclinical models of rheumatoid arthritis and psoriasis.

Structural, Electronic, and Optical Properties of Hexagonal XC (X=N, P, As, and Sb) Monolayers.

Based on first-principles calculations, a novel family of two-dimensional (2D) IV-V compounds, XC (X=N, P, As and Sb), is proposed. These compounds exhibit excellent stability, as determined from the cohesive energies, phonon dispersion analysis, ab initio molecular dynamics (AIMD) simulations, and mechanical properties. In this type of structure, the carbon atom is sp hybridized, whereas the X (N, P, As and Sb) atom is nonplanar sp hybridized with one 2p orbital filled with lone pair electrons.

Thermal Conductivity of Aluminum Scandium Nitride for 5G Mobile Applications and Beyond.

Radio frequency (RF) microelectromechanical systems (MEMS) based on AlScN are replacing AlN-based devices because of their higher achievable bandwidths, suitable for the fifth-generation (5G) mobile network. However, overheating of AlScN film bulk acoustic resonators (FBARs) used in RF MEMS filters limits power handling and thus the phone's ability to operate in an increasingly congested RF environment while maintaining its maximum data transmission rate. In this work, the ramifications of tailoring of the piezoelectric response and microstructure of AlScN films on the thermal transport have been studied.

Quaternary Chalcohalides CdSnSX (X = Cl or Br) with Neutral Layers: Syntheses, Structures, and Photocatalytic Properties.

Inorganic chalcohalides are attracting a tremendous amount of attention because of their remarkable structural variety and desirable physical properties. Although great advances have been made in recent years, functional inorganic chalcohalides with two-dimensional neutral layers are still rare. Herein, two novel chalcohalides CdSnSX (X = Cl or Br) with high yields were obtained by reacting CdX with SnS using a traditional solid-state method at 823 K.