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Proceedings Paper

Novel optoanalytical method for the determination of pesticide residues
Author(s): Ashutosh Sharma; Nigel S. M. Quantrill; Kim R. Rogers
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Paper Abstract

A new method for the measurement of pesticide residues is described that utilizes an excited state photo-reaction in conjunction with a dehydrogenase enzyme based enzymatic reaction. The presence of the pesticide inhibits the enzymatic reaction, thereby affecting the production of the NADH. The latter co-factor undergoes an excited state photo- reduction, resulting in the NAD+ and photo-reduced form of the indicator fluorophore. The reported method is suitable for analyzing a number of pesticides, selectively. Various advantages, including the possibilities of using the assay in complex matrices, non-separation formats and cost- effectiveness, are discussed.

Paper Details

Date Published: 10 December 1996
PDF: 4 pages
Proc. SPIE 2836, Chemical, Biochemical, and Environmental Fiber Sensors VIII, (10 December 1996); doi: 10.1117/12.260999
Show Author Affiliations
Ashutosh Sharma, Cranfield Univ. (United Kingdom)
Nigel S. M. Quantrill, Cranfield Univ. (United Kingdom)
Kim R. Rogers, Cranfield Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 2836:
Chemical, Biochemical, and Environmental Fiber Sensors VIII
Robert A. Lieberman, Editor(s)

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