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Ligand-Induced Intramolecular Cuprophilic and Argentophilic Interactions in Bimetallic Cu(I) and Ag(I) Phosphine Complexes and the Assessment of Their Antityrosinase and Antibacterial Effects.
Inorg Chem
January 2025
Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, 3012 Bern, Switzerland.
Binuclear silver(I) and copper(I) complexes, and , with bridging diphenylphosphine ligands were prepared. In , the silver(I) center is located inside a trigonal plane composed of three phosphorus donors from three separate and bridging dppm ligands. The fourth coordination site is filled with neighboring silver(I) ions.
View Article and Find Full Text PDFInsight into the enhanced removal of dimethoate by ferrate(Ⅵ)/biochar system: Contributions of adsorption and active oxidants.
J Hazard Mater
December 2024
Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, School of Energy and Environmental Engineering, University of Science and Technology Beijing, Haidian District, Beijing 100083, China.
Dimethoate is a toxic organophosphorus insecticide and its contamination of water poses a threat to the surrounding ecosystem. In order to enhance the removal effect of ferrate (Fe(VI)) on dimethoate, modified graphene-like biochar (SIZBC) with reduction and adsorption properties was prepared in this study. Compared with Fe(VI) alone, the removal of dimethoate by Fe(VI)/SIZBC increased from 26 % to more than 97 %, and the reaction rate was accelerated by 34 times.
View Article and Find Full Text PDFEnhanced aerobic bioremediation of an aquifer heavily contaminated with a mixture of chlorobenzenes and hexachlorocyclohexanes at the Sardas landfill (Spain).
J Hazard Mater
February 2025
Departament d'Enginyeria Química, Biològica i Ambiental, Universitat Autònoma de Barcelona (UAB), Carrer de les Sitges s/n, Bellaterra, Spain.
The groundwater at the Sardas landfill in Huesca, Spain, is contaminated with benzene, chlorobenzenes, and hexachlorocyclohexane (HCH) isomers due to illegal waste dumping from a former lindane factory. In this study, microcosms using field-derived groundwater to evaluate in situ bioremediation were constructed. Anaerobic biostimulation with lactate successfully transformed α-, β-, δ-, and γ-HCH within two weeks, but failed to degrade benzene and less chlorinated benzenes, even with nutrient addition.
View Article and Find Full Text PDFEffects of Pirimiphos-Methyl on Non-Target Invertebrates.
Biology (Basel)
October 2024
Department of Zoology and Ecology, Faculty of Biology and Ecology, Oles Honchar Dnipro National University, Gagarin Av. 72, 49010 Dnipro, Ukraine.
The effects of pirimiphos-methyl have previously been assessed on blood-sucking insect species, pollinating insects, and target crop pest species. The sensitivity of non-target zoophagous and saprophage species to this insecticide remains largely unstudied. In laboratory conditions, we assessed the susceptibility of 43 species of invertebrates to pirimiphos-methyl.
View Article and Find Full Text PDFSilicon quantum dots based fluorescent probes for detecting methyl parathion pesticide residues in potato, tap water and Yellow River.
Spectrochim Acta A Mol Biomol Spectrosc
January 2025
Research Center for Natural Medicine and Chemical Metrology, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Yantai Zhongke Research Institute of Advanced Materials and Green Chemical Engineering, Yantai 264006, China; Qingdao Center of Resource Chemistry & New Materials, Qingdao 266100, China. Electronic address:
In this paper, a novel ratiometric fluorescent probe based on silicon quantum dots (SiQDs) has been developed for the sensitive detection of methyl parathion pesticide residues. The silicon quantum dots were prepared by a simple hydrothermal reaction process using 3-Aminopropyltriethoxysilane (APTES) as silicon resource and were characterized by the analysis of transmission electron microscopy, FTIR spectroscopy, and X-ray photoelectron spectroscopy. The silicon quantum dots displayed characteristic blue fluorescence emission at 440 nm.
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