Abstract
Glucose dehydrogenase, nicotinamide adenine dinucleotide, and β-naphthoquinonesulphonate were immobilized in poly(pyrrole) films prepared by electropolymerization of pyrrole in an aqueous solution containing these substances. The resulting poly(pyrrole) films showed amperometric glucose sensitivities without assistance of any electron mediator in solution. It was found that there is an optimum deposition charge to achieve the highest sensitivity, and the sensitivity is influenced by the pH of the glucose solutions, suggesting that the amperometric sensitivity is controlled by the redox activities of naphthoquinonesulphonate incorporated in poly(pyrrole) films.
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