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High-Energy Aqueous Sodium-Ion Batteries Using Water-in-Salt Electrolytes and 3D Structured Electrodes.
ACS Appl Mater Interfaces
January 2025
Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States.
Aqueous sodium-ion batteries (SIBs) are gradually being recognized as viable solutions for large-scale energy storage because of their inherent safety as well as low cost. However, despite recent advancements in water-in-salt electrolyte technologies, the challenge of identifying anode materials with sufficient specific capacity persists, complicating the wider adoption of these batteries. This study introduces an innovative and straightforward approach for synthesizing vanadium oxide laser-scribed graphene (VO-LSG) composites, which function as effective anode materials in aqueous sodium-ion batteries.
View Article and Find Full Text PDFUnraveling the Positive Role of WO on Supported Vanadium Catalysts for NO Reduction by Operando Spectroscopy.
ACS Omega
January 2025
State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
Selective catalytic reduction of nitrogen oxides (NO ) by ammonia (NH-SCR) over supported vanadium catalysts is a commercial technology for NO abatement in combustion exhaust. The addition of tungsten oxide (WO) significantly enhances the performance of supported vanadium catalysts (VO/TiO), but the mechanism underlying this enhancement remains controversial. In this study, we employed combined operando spectroscopy (DRIFTS-UV-vis-MS) to investigate the dynamic state of active sites (acid sites and redox sites) on VO-WO/TiO during the NH-SCR reaction.
View Article and Find Full Text PDFCytotoxicity of sub-lethal doses of vanadium pentoxide in male Oryctolagus cuniculus.
Environ Toxicol Pharmacol
January 2025
Department of Zoology and Environmental Biology, University of Nigeria, Nsukka, Nigeria. Electronic address:
Vanadium pentoxide (VO) is one of the compounds that have been reported to pose varying degrees of toxicity upon exposure; thus, making it a challenging environmental hazard that affects living organisms. This study investigated the cytotoxicity effects of daily sub-lethal oral doses of VO on the bone marrow of male Oryctolagus cuniculus after 21 days. Male O.
View Article and Find Full Text PDFFirst generation vanadium-based PTEN inhibitors: Comparative study in vitro and in vivo and identification of a novel mechanism of action.
Biochem Pharmacol
January 2025
Department of Pharmacology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece; Institute of Biosciences, University Research Center Ioannina, University of Ioannina, Ioannina, Greece. Electronic address:
PTEN, a tumor suppressor phosphatase, regulates cellular functions by antagonizing the growth promoting PI3K/Akt/mTOR pathway through the dephosphorylation of the second messenger PIP. Many preclinical cellular and animal studies have used PTEN inhibitors to highlight specific disease contexts where acute activation of PI3K/Akt/mTOR pathway might offer therapeutic advantages. In the present study we have re-evaluated first-generation PTEN inhibitors, including established bisperoxo-vanadium complexes (bpVs).
View Article and Find Full Text PDFBiodegradable Vanadium-Based Nanomaterials for Photothermal-Enhanced Tumor Ferroptosis and Pyroptosis.
ACS Appl Mater Interfaces
January 2025
Molecular Diagnostic Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou First People's Hospital, Hangzhou 310006, China.
The designability and high reactivity of nanotechnology provide strategies for antitumor therapy by regulating the redox state in tumor cells. Here, we synthesize a kind of vanadium dioxide nanoparticle encapsulated in bovine serum albumin and containing disulfide bonds (VSB NPs) for photothermal-enhanced ferroptosis and pyroptosis effects. Mechanism studies show that disulfide bonds can effectively consume overexpressed glutathione (GSH) in the tumor microenvironment, leading to a decrease in glutathione peroxidase 4 (GPX4) activity.
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