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Assessing Antiparasitic Compounds Persistence in Cattle Hair by DART-MS.
J Am Soc Mass Spectrom
January 2025
Universidade Federal de Goiás, Instituto de Química, Goiânia, Goiás 74690-900, Brazil.
This study introduces an alternative strategy for evaluating antiparasitic persistence compounds in cattle hair by Direct Analysis in Real Time Mass Spectrometry (DART-MS). The developed DART-MS method aimed to determine fenthion, chlorpyrifos, and cypermethrin in cattle hair samples. DART-MS analyses were performed in positive ion mode, and parameters related to the DART source were evaluated.
View Article and Find Full Text PDFOccurrence and distribution of pesticides and transformation products in ambient air in two European agricultural areas.
Sci Total Environ
August 2024
Helmholtz-Zentrum Hereon, Institute for Coastal Environmental Chemistry, Organic Environmental Chemistry, Max-Planck-Str. 1, 21502 Geesthacht, Germany.
Pesticides present a significant risk for both humans and the environment. However, quantitative data for a broad range of airborne pesticides in agricultural areas are missing. During or after the application, pesticides can reach the atmosphere and partition between the particulate and gaseous phase.
View Article and Find Full Text PDFSpatial-temporal distribution and potential risk of pesticides in ambient air in the North China Plain.
Environ Int
December 2023
State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, National Observation and Research Station of Agriculture Green Development (Quzhou, Hebei), China Agricultural University, Beijing 100193, China. Electronic address:
The intensive use of pesticides in the North China Plain (NCP) has resulted in widespread contamination of pesticides in the local atmosphere, posing risks to air quality and human health. However, the occurrence and distribution of atmospheric pesticides in the NCP as well as their risk assessment have not been well investigated. In this study, 300 monthly samples were collected using passive air samplers with polyurethane foam at ten rural sites with different crop systems in Quzhou county, the NCP, from June 2021 to May 2022.
View Article and Find Full Text PDFMulticompartmental monitoring of legacy and currently used pesticides in a subtropical lake used as a drinking water source (Laguna del Cisne, Uruguay).
Sci Total Environ
May 2023
Departamento de Ecologia y Gestion Ambiental, Centro Universitario Regional del Este (CURE), Universidad de la República, Tacuarembó entre Saravia y Bvar. Artigas, Maldonado CP 20000, Uruguay. Electronic address:
A pilot annual monitoring survey (April 2018-March 2019) was conducted to investigate the presence of pesticides in superficial water and fish in Laguna del Cisne, one of the most critical drinking water sources in Uruguay. A total of 25 pesticide residues were detected in superficial water (89.3 % of the samples).
View Article and Find Full Text PDFConsolidation of temperature-dependent toxicity and thermoregulatory behavior into risk assessments of insecticides under thermal scenarios: A prospective study on Eremias argus.
Environ Int
February 2023
Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing 100193, China. Electronic address:
Article Synopsis
- - The study investigates how temperature affects the toxicity of three insecticides (beta-cyfluthrin, chlorpyrifos, and avermectin) on the lizard Eremias argus, finding that higher temperatures can reduce the toxicity of one while increasing another's.
- - Lizards exhibit thermoregulatory behavior to lower their body temperature and mitigate the effects of sub-lethal doses of insecticides, demonstrating a form of “self-rescue” to diminish potential harm.
- - Analysis of metabolites and insecticide residues reveals that temperature-dependent toxicity impacts the lizards through biochemical changes, highlighting the need for improved ecological risk assessments of agrochemicals, especially in light of climate change.
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