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  • Title: Flavin adenine dinucleotide as precursor for NADH electrocatalyst.
    Author: de-Los-Santos-Alvarez N, de-Los-Santos-Alvarez P, Lobo-Castañón MJ, Miranda-Ordieres AJ, Tuñón-Blanco P.
    Journal: Anal Chem; 2005 Jul 01; 77(13):4286-9. PubMed ID: 15987139.
    Abstract:
    The generation of a new electrocatalytic system for NADH after oxidizing flavin adenine dinucleotide (FAD) is shown. The oxidation is performed in alkaline medium until +1.4 V (Ag/AgCl) at graphite electrodes. The catalytic activity is ascribed to the electrooxidized moiety of FAD and not to quinone surface groups. A comparison between this catalyst and that attributed to poly(FAD) (Karyakin, A. A.; Ivanova Y. N.; Revunova, K. V.; Karyakina, E. E. Anal. Chem. 2004, 76, 2004-2009.) is presented. It is concluded that the surface quinone groups generated during the strong anodization of the electrode in acidic medium at 2-2.5 V and not the poly(FAD) are responsible for the catalytic activity described in the above mentioned work.
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