Development of a method for the simultaneous determination of multi-class pesticides in earthworms by liquid chromatography coupled to tandem electrospray mass spectrometry

Agricultural intensification, and in particular the use of pesticides, leads over the years to a loss of biodiversity and a decline of ecosystem services in cultivated zones and agricultural landscapes. Among the animal communities involved in the functioning of agro-ecosystems, earthworms are ubiqu...

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Bibliographic Details
Published in:Analytical and bioanalytical chemistry 2018-08, Vol.410 (20), p.5009-5018
Main Authors: Daniele, Gaëlle, Lafay, Florent, Pelosi, Céline, Fritsch, Clémentine, Vulliet, Emmanuelle
Format: Article
Language:English
Subjects:
Agricultural ecosystems
Agricultural land
Agrochemicals
Analytical Chemistry
Analytical methods
Biochemistry
Biodiversity
Biodiversity loss
Characterization and Evaluation of Materials
Chemical Sciences
Chemistry
Chemistry and Materials Science
Chromatography
Community involvement
Earthworms
Ecosystem services
Environmental Sciences
Food Science
Health aspects
Intensive farming
Laboratory Medicine
Land use
Landscape
Life Sciences
Linearity
Liquid chromatography
Mass spectrometry
Mass spectroscopy
Measurement
Methods
Monitoring/Environmental Analysis
Oligochaeta
Pesticides
Research Paper
Scientific imaging
Spectroscopy
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Summary:Agricultural intensification, and in particular the use of pesticides, leads over the years to a loss of biodiversity and a decline of ecosystem services in cultivated zones and agricultural landscapes. Among the animal communities involved in the functioning of agro-ecosystems, earthworms are ubiquitous and recognized as indicators of land uses and cultural practices. However, little data is available on the levels of pesticides in such organisms in natura , which would allow estimating their actual exposure and the potentially resulting impacts. Thus, the objective of this study was to develop a sensitive analytical methodology to detect and quantify 27 currently used pesticides in earthworms ( Allolobophora chlorotica ). A modified QuEChERS extraction was implemented on individual earthworms. This step was followed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). The whole analytical method was validated on spiked earthworm blank samples, with regard to linearity (from 1 to 100 method limit of quantification, r 2  > 0.95), intra-day precision (relative standard deviation (RSD)
ISSN:1618-2642
1618-2650
DOI:10.1007/s00216-018-1151-2