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ION MOBILITY – MASS SPECTROMETRY AS A NEW APPROACH FOR THE SCREENING OF PESTICIDE RESIDUES IN FOOD
Goscinny, Séverine; Touilloux, Romain; Joly, Laure et al.
2011In Organohalogen Compounds
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Keywords :
ion mobility; mass spectrometry; pesticides
Abstract :
[en] Pesticide residue analysis requires methods that can determine hundreds of compounds at low levels in complex food matrices. This challenge has given rise to multi residue methods, the only efficient analytical approach. This type of analytical method entails a “generic” extraction followed by a soft or no purification step to avoid any analytes looses. With over a 1000 active compounds with different physical chemical properties, gas and liquid chromatography are used as complementary separative techniques. In the past decade, the determination has been performed on tandem mass analyzers, a powerful tool to overcome co-eluting compounds with excellent sensitivity. Nevertheless, these instruments can guarantee these results per acquisition cycles for more or less 150 compounds. This represents a serious limitation when the number of pesticides to be sought for monitoring and MRL enforcement is growing each year. As multiple injections from the same sample are not viable for laboratories, alternative options have to be explored. We propose the investigation of ion mobility (IM) coupled with mass spectrometry as a new approach for pesticide residue analysis in food.
Research center :
département de chimie
CART - Centre Interfacultaire d'Analyse des Résidus en Traces - ULiège
Disciplines :
Chemistry
Author, co-author :
Goscinny, Séverine ;  Université de Liège - ULiège > Form. doct. sc. (chimie - Bologne)
Touilloux, Romain
Joly, Laure
De Pauw, Edwin  ;  Université de Liège - ULiège > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.)
Eppe, Gauthier  ;  Université de Liège - ULiège > Chimie analytique inorganique
Language :
English
Title :
ION MOBILITY – MASS SPECTROMETRY AS A NEW APPROACH FOR THE SCREENING OF PESTICIDE RESIDUES IN FOOD
Publication date :
2011
Event name :
Dioxin 2011
Event date :
Aout 2011
Audience :
International
Journal title :
Organohalogen Compounds
ISSN :
1026-4892
Publisher :
Federal Environmental Agency, Vienna, Austria
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 April 2012

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