Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (4): 553.

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Electrochemical Reduction of NAD+ at Benzimidazole Modified Silver Electrode

LI Gen-Xi1, CHEN Hong-Yuan2, ZHU De-Xu1   

  1. 1. Department of Biochemistry and National Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing 210093;
    2. Department of Chemistry, Nanjing University, Nanjing 210093
  • Received:1995-04-18 Online:1996-04-24 Published:1996-04-24

Abstract: Benzimidazole modified silver electrode which was prepared by a surface complexinduced reaction was not only stable,long-lived, but also could be used for the electrochemical reduction of NAD+.The anodic and cathodic peaks of the modified electrode were at 0.25Vand 0.10 Vrespectively.After addition of NAD+ to the test solution, the cathodic peak ofthe reductive process of NAD+ could be observed at about-0.03 Vand the peak currentwas dependent directly on the NAD+ concentration.

Key words: NAD+, Benzimidazole, Chemically modified electrode

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