Inhibitive Determination of Heavy Metal Ions by Conductometric Nitrate Reductase Biosensor

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A conductometric nitrate biosensor based on methyl viologen/Nafion/nitrate reductase(NR) interdigitated electrode for heavy metal determination was proposed.The activity of NR(EC 1.6.6.2) from Asper gillusniger(A.niger) was assayed as a function of metal
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