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Salicylic acid mitigates the physiological and biochemistry toxicity of fungicide difenoconazole and reduces its accumulation in wheat (Triticum aestivum L.).
Plant Physiol Biochem
January 2025
Henan Engineering Research Center of Green Pesticide Creation & Intelligent Pesticide Residue Sensor Detection and School of Resources and Environment, Henan Institute of Science and Technology, Xinxiang, Henan, 453003, China. Electronic address:
Continuous misuse of difenoconazole (DFZ) results in farmland contamination, posing risks to crops and human health. Salicylic acid (SA) has been shown to enhance plant resistance and reduce pesticide phytotoxicity and accumulation. However, whether SA effectively reduces DFZ phytotoxicity and accumulation and its underlying mechanisms remain poorly understood.
View Article and Find Full Text PDFOptimized Metolachlor, Epoxiconazole and Chlorantraniliprole Mixture Analysis for Aquatic Toxicity Testing Using UHPLC-MS/MS.
Bull Environ Contam Toxicol
January 2025
Centro de Investigaciones en Bioquímica Clínica e Inmunología-CIBICI, Facultad de Ciencias Químicas, CONICET, Universidad Nacional de Córdoba, Haya de La Torre Esq., Medina Allende, 5000, Córdoba, Argentina.
The co-occurrence of pesticides in aquatic ecosystems highlights the need for studies investigating their potential toxicity as mixtures to the aquatic biota. Well-designed studies are essential to assess the presence and toxicity of relevant pesticide mixtures, particularly those such as the chloroacetamide herbicide metolachlor (MET), the triazole fungicide epoxiconazole (EP) and the diamide anthranilic insecticide chlorantraniliprole (CAP), which have not been previously tested, and whose co-occurrence is possible in waters close to cultivated areas. A solid phase extraction ultra-performance liquid chromatography-tandem quadrupole mass spectrometry method was developed to quantify equivalent toxicity concentrations for CAP, EP, and MET in artificial freshwater during acute toxicity tests.
View Article and Find Full Text PDFTriboelectric Nanogenerators for Self-Powered Degradation of Chemical Pollutants.
ACS Omega
January 2025
Department of Textiles, Merchandising, and Interiors, University of Georgia, Athens, Georgia 30602, United States.
Environmental and human health is severely threatened by wastewater and air pollution, which contain a broad spectrum of organic and inorganic pollutants. Organic contaminants include dyes, volatile organic compounds (VOCs), medical waste, antibiotics, pesticides, and chemical warfare agents. Inorganic gases such as CO, SO, and NO are commonly found in polluted water and air.
View Article and Find Full Text PDFStrategy for the co-extraction and simultaneous quantification of organic pollutants and heavy metals by the on-line hyphenation of magnetic field-assisted in-tube solid phase microextraction and chromatographic technique.
J Hazard Mater
January 2025
Shenzhen Research Institute of Xiamen University, Shenzhen 518000, China; College of the Environment and Ecology, Xiamen University, Xiamen 361005, China; Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Xiamen 361005, China. Electronic address:
Due to the distinct difference in chemical properties, analysis of organic pollutants and heavy metals generally employs different sample preparation and measurement techniques, resulting in low analytical efficiency and high cost. To this end, a strategy for the co-extraction and then simultaneous quantification of organic pollutants and heavy metals was proposed by the on-line hyphenation of magnetic field-assisted in-tube solid phase microextraction (MA/IT-SPME) and HPLC technique. Simultaneous analysis of triazoles and chromium species were adopted as paradigm to demonstrate the feasibility of the proposed strategy.
View Article and Find Full Text PDFDistribution and bioconcentration of semivolatile organic compounds (SVOCs) in soils and vascular plant Colobanthus quitensis from Sub-Antarctic and Antarctic regions.
Sci Total Environ
January 2025
Centro de Genómica, Ecología y Medio Ambiente (GEMA), Universidad Mayor, Campus Huechuraba, Santiago, Chile; Institute of Environment, Florida International University, University Park, Miami, FL 33199, USA; Data Observatory Foundation, Santiago, Chile. Electronic address:
Semi-volatile organic compounds (SVOCs) are widely distributed across the globe, including polar regions. This study investigates the distribution and bioconcentration of organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), and polycyclic aromatic hydrocarbons (PAHs) in soils and Colobanthus quitensis, while also estimating potential emission sources. Results indicated high concentrations of PAHs in soils and plants from the Sub-Antarctic region, while OCPs and PCBs were more prevalent in the Antarctic region, with higher contaminant concentrations found in soils than in plant tissues.
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