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- W1972027095 abstract "This report described the direct voltammetric detection of peroxynitrite (ONOO−) at a novel cyanocobalamin modified glassy carbon electrode prepared by electropolymeriation method. The electrochemical behaviors of peroxynitrite at the modified electrode were studied by cyclic voltammetry. The results showed that this new electrochemical sensor exhibited an excellent electrocatalytic activity to oxidation of peroxynitrite. The mechanism of catalysis was discussed. Based on electrocatalytic oxidation of peroxynitrite at the poly(cyanocobalamin) modified electrode, peroxynitrite was sensitively detected by differential pulse voltammetry. Under optimum conditions, the anodic peak current was linear to concentration of peroxynitrite in the range of 2.0 × 10−6 to 3.0 × 10−4 mol L−1 with a detection limit of 1.0 × 10−7 mol L−1 (S/N of 3). The proposed method has been applied to determination of peroxynitrite in human serum with satisfactory results. This poly(cyanocobalamin) modified electrode showed high selectivity and sensitivity to peroxynitrite determination, which could be used in quantitative detection of peroxynitrite in vivo and in vitro." @default.
- W1972027095 created "2016-06-24" @default.
- W1972027095 creator A5063046811 @default.
- W1972027095 creator A5081931444 @default.
- W1972027095 date "2010-07-01" @default.
- W1972027095 modified "2023-09-24" @default.
- W1972027095 title "A novel poly(cyanocobalamin) modified glassy carbon electrode as electrochemical sensor for voltammetric determination of peroxynitrite" @default.
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- W1972027095 doi "https://doi.org/10.1016/j.talanta.2010.05.020" @default.
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