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

[ Vol. 5 , Issue. 1 ]


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


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.


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


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

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