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Electrochemically Driven Selective Olefin Epoxidation by Cobalt-TAML Catalyst.
J Am Chem Soc
January 2025
Department of Chemistry, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, South Korea.
Epoxides are versatile chemical intermediates that are used in the manufacture of diversified industrial products. For decades, thermochemical conversion has long been employed as the primary synthetic route. However, it has several drawbacks, such as harsh and explosive operating conditions, as well as a significant greenhouse gas emissions problem.
View Article and Find Full Text PDFStudy of the behaviour of cations in leaching of NCA lithium-ion batteries by electrodialysis.
Environ Technol
January 2025
Department of Chemical Engineering, Polytechnic School, University of Sao Paulo, São Paulo, Brazil.
End-of-life lithium-ion batteries (LIBs) present an opportunity to generate a circular economy through recycling. One of the techniques that can contribute to the purification of leached batteries is electrodialysis. In this work, we present a study of current variation in relation to monovalent (Li), divalent (Ni and Co) and trivalent (Al) cations from the synthetic solution of an NCA-type lithium-ion battery leachate, using electrodialysis membranes (HDX-100 and HDX-200) at three different current densities (12.
View Article and Find Full Text PDFThe TOXIN knowledge graph: supporting animal-free risk assessment of cosmetics.
Database (Oxford)
January 2025
Department of In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel, Laarbeeklaan 103, Brussels 1090, Belgium.
The European Union's ban on animal testing for cosmetic products and their ingredients, combined with the lack of validated animal-free methods, poses challenges in evaluating their potential repeated-dose organ toxicity. To address this, innovative strategies like Next-Generation Risk Assessment (NGRA) are being explored, integrating historical animal data with new mechanistic insights from non-animal New Approach Methodologies (NAMs). This paper introduces the TOXIN knowledge graph (TOXIN KG), a tool designed to retrieve toxicological information on cosmetic ingredients, with a focus on liver-related data.
View Article and Find Full Text PDFDirect Assembly of Grooved Micro/Nanofibrous Aerogel for High-Performance Thermal Insulation via Electrospinning.
ACS Appl Mater Interfaces
January 2025
CAS Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
Maintaining human body temperature in both high and low-temperature environments is fundamental to human survival, necessitating high-performance thermal insulation materials to prevent heat exchange with the external environment. Currently, most fibrous thermal insulation materials are characterized by large weight, suboptimal thermal insulation, and inferior mechanical and waterproof performance, thereby limiting their effectiveness in providing thermal protection for the human body. In this study, lightweight, waterproof, mechanically robust, and thermal insulating polyamide-imide (PAI) grooved micro/nanofibrous aerogels were efficiently and directly assembled by electrospinning.
View Article and Find Full Text PDF[Association between occupational exposure to pesticides and ototoxicity in farmers of Pontal do Paranapanema-SP, Brazil].
Cien Saude Colet
January 2025
Departamento de Química, Universidade do Oeste Paulista. São Paulo SP Brasil.
The scope of this study was to assess the ototoxic effects and general health of farmers exposed to pesticides in the Pontal do Paranapanema region, SP, Brazil. Participants of both sexes aged 18-40, 40-60 and >60 years were allocated into two groups: Non-Exposed Group (NEG) and Occupationally Exposed Group (OEG). A questionnaire of exposure and health, meatoscopy, pure tone audiometry, logoaudiometry and immittanciometry were assessed.
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