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Use a Fluorescent Molecular Sensor for the Detection of Pesticides and Herbicides in Water

[ Vol. 5 , Issue. 1 ]

Author(s):

Francois Delattre, Francine Cazier, Fabrice Cazier and Alphonse Tine   Pages 48 - 52 ( 5 )

Abstract:


A fluorescent chemosensor based on modified β-cyclodextrin was used for the detection of pesticides and herbicides in water. Binding constants, thermodynamic parameters and sensitivity factors were calculated and supported by AM1 semi-empirical method calculation. The results show clearly that a fluorescent chemical sensor based on modified β- cyclodextrin detects quantitatively the presence of pesticides or herbicides and allow a direct analysis of these pollutants as a new method of detection with limits of the order of ppm for the whole of the analytes.

Keywords:

Fluorescent chemosensor, Cyclodextrin, Detection, Environmental, Pesticide, Herbicide

Affiliation:

Laboratoire de Synthese Organique et Environnement, Universite du Littoral Cote d'Opale, Dunkerque,France.



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