Sensitive nitrate determination in water and meat samples by amperometric biosensor.

Abstract

This study describes a novel biosensor method for specific determination of nitrate in food and water samples by using nitrate reductase (NR) (EC 1.9.6.1) biosensor based on the detection of oxidation peak current of redox mediator, methyl viologen, related to nitrate concentration. The method was shown to be selective and sensitive to determine the nitrate… (More)
DOI: 10.1080/10826060903558620

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