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Unmasking the spread, carcinogenic-non carcinogenic risk characterization, and source fingerprinting of organochlorine pesticides (OCPs) in soil and vegetables of Gaya, Bihar, India.
Environ Geochem Health
November 2024
Department of Environmental Science, Central University of South Bihar, SH-7, Gaya Panchanpur road, Post- Fatehpur, P.S- Tekari, District-Gaya, 824236, India.
The use of organochlorine pesticides (OCPs) in specific regions is still prevalent. Moreover, the impact of past utilization can be observed in the present environmental matrices. The present study monitored the extent of contamination of OCPs in the soil and vegetable samples of Gaya, Bihar, India.
View Article and Find Full Text PDFAgricultural pesticides in feathers of the burrowing owl (Athene cunicularia) and its relationship to land-use in the argentinean pampas.
Environ Res
December 2024
Grupo Vertebrados, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Consejo Nacional de Investigaciones Científicas y Técnicas, Funes 3350, B7602AYJ, Mar del Plata, Argentina. Electronic address:
The pampas of South America represent one of the most productive lands for agriculture in the world, and consequently this activity has expanded throughout the region, especially in Argentina. In this context, native fauna faces various risks associated with agriculture, with exposure to pesticides being one of the most dangerous and deadly. Assessing the impact of pesticides on wildlife becomes fundamental and the use of sentinel species emerges as an important tool to monitor environmental health.
View Article and Find Full Text PDF[Screening of Characteristic Pollutants and Risk Pollutants in Different Media in the Yangtze River Basin Using Comprehensive Evaluation and Risk Quotient Methods].
Huan Jing Ke Xue
September 2024
China National Environment Monitoring Centre, Beijing 100012, China.
A variety of pollutants have frequently been detected in the Yangtze River Basin with the rapid economic development, the population increase, and the acceleration of urbanization, which threaten the aquatic ecosystem and human health. A multi-criteria comprehensive evaluation method was developed to identify the characteristic pollutants, and the risk quotient method was used to derive the risk pollutants in water and sediment samples in this article. A total of 155 pollutants from 11 categories were detected in the Yangtze River Basin according to the literature research.
View Article and Find Full Text PDFDual C and Cl compound-specific isotope analysis and metagenomic insights into the degradation of the pesticide methoxychlor.
J Hazard Mater
December 2024
Grup MAiMA, SGR Mineralogia Aplicada, Geoquímica i Hidrogeologia (MAGH), Departament de Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, Institut de Recerca de l'Aigua (IdRA), Universitat de Barcelona (UB), Martí i Franquès s/n, 08028 Barcelona, Spain; Serra Húnter Fellowship, Generalitat de Catalunya, Spain.
Article Synopsis
- - This study explores how multi-element compound-specific isotope analysis (ME-CSIA) can be used to track the breakdown of methoxychlor, a long-lasting pesticide, through different degradation methods like alkaline hydrolysis, oxidation, and biotic reductive dechlorination.
- - The findings reveal that hydrolysis and oxidation don't significantly alter the carbon and chlorine isotopes, while biotic reductive dechlorination shows substantial isotope fractionation, indicating that the breaking of the C-Cl bond is the key rate-limiting step in this process.
- - The research identifies specific microbial families that may contribute to the breakdown of methoxychlor in anoxic environments, enhancing the understanding of its degradation mechanisms and providing valuable insights into monitoring
Levels of organochlorine pesticides in onion and tomato samples from selected towns of Jimma Zone, Ethiopia.
Heliyon
August 2024
Department of Chemistry, College of Natural Sciences, Jimma University, P.O. Box 378, Jimma, Ethiopia.
This study aimed to determine residues of organochlorine pesticides (OCPs) in tomato and onion samples collected from selected markets in the Jimma zone. A QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) method was used for sample preparation followed by gas chromatography-mass spectrometry (GC-MS) for OCPs analysis. The method used showed wide linear ranges from 5-50 μg/L for all eight pesticides, with R values ≥ 0.
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