Citation: Bac Xian YE, Xiao Rong TANG, Xing Yao ZHOU. ELECTROCHEMICAL REDOX OF HEMOGLOBIN ON BARE SILVER ELECTRODE IN PRESENCE OF CETYL PYRIDINIUM CHLOMDE AND ITS MPLICATION IN ANALYSIS[J]. Chinese Chemical Letters, ;1996, 7(8): 729-732. shu

ELECTROCHEMICAL REDOX OF HEMOGLOBIN ON BARE SILVER ELECTRODE IN PRESENCE OF CETYL PYRIDINIUM CHLOMDE AND ITS MPLICATION IN ANALYSIS

Department of Chemistry, Wuhan Uuiversity, Wuhan 430072

Received Date: 3 November 1995

Fund Project: Thanks to Prof Wuming Zhang for her helpful discussion with the authors about this work. The support of the National Natural Science Foundation of China is gratefully appreciated.

The electrochemical redox reaction of hemoglobin on bare silver electrode using cetyl pyridinium chloride as promoter is described. The electrode reaction exhibits such a good stability that the peak currents change less than 8.5% (oxidation) and 10.2% (reduction) in continuing scan of 30 min in a solution containing 1×10^-7 mol/L hemoglobin. The rate constant Ks is 0.0865s^-1 with a single electron transfer. Moreover, both the oxidation and the reduction currents are linearly related with the hemoglobin concentration in the range of 1×10^-8~5×10^-7 mol/L. So, it can be used as an analytical method for determining hemoglobin.
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