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Article Dans Une Revue Electroanalysis Année : 2015

Galactose Oxidase/Prussian Blue Based Biosensors.

Résumé

This paper describes the development of an amperometric biosensor based on galactose oxidase (GAOx) immobilization within a laponite clay film deposited on Carbon Screen-Printed Electrodes modified by electrodeposited Prussian Blue and coated with poly-(O-phenylenediamine) (PPD/PB/CSPEs). Amperometric performances of GAOx@laponite/PPD/PB/CSPEs bioelectrodes were determined using several GAOx substrates. Using these modified electrodes the reduction of enzymatically generated hydrogen peroxide was performed at −0.2 V vs. Ag-AgCl. In an initial attempt, E.Coli transketolase activity on its immobilized form was followed using a bienzymatic GAOx-TK biosensor.

Domaines

Chimie

Dates et versions

hal-01213418 , version 1 (08-10-2015)

Identifiants

Citer

Franck Charmantray, Nadia Touisni, Laurence Hecquet, Thierry Noguer, Christine Mousty. Galactose Oxidase/Prussian Blue Based Biosensors.. Electroanalysis, 2015, 27, pp.1341-1344. ⟨10.1002/elan.201400720⟩. ⟨hal-01213418⟩
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