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Electrocatalytic oxidation of NADH at glassy carbon electrodes modified with an electropolymerized film of nile blue A
作者姓名:蔡称心  薛宽宏
作者单位:Department of Chemistry,Nanjing Normal University,Nanjing,Jiangsu 210097,China,Department of Chemistry,Nanjing Normal University,Nanjing,Jiangsu 210097,China
基金项目:Project supported by the Naural Science Foundation of the Education Commission of Jiangsu Province.
摘    要:The kinetic parameters for the electrocatalytic oxidation of di-hydronicotiamide adenine dinucleotide (NADH) at glassy carbon electrodes modified with an electropolymerized film of nile blue A (PNB) have been determined based on rotating disk electrode measurements. The rate constant for the chemical reaction between NADH and PNB is strongly influenced by NADH concentration and the pH value of solution, and it decreases with increasing NADH concentration, indicating that the electrocatalytic process proceeds via the formation of an intermediate of charge-transfer complex between NADH and PNB.


Electrocatalytic oxidation of NADH at glassy carbon electrodes modified with an electropolymerized film of nile blue A
CAI,Chen-Xin XUE,Kuan-Hong.Electrocatalytic oxidation of NADH at glassy carbon electrodes modified with an electropolymerized film of nile blue A[J].Chinese Journal of Chemistry,2000,18(2):182-187.
Authors:CAI  Chen-Xin XUE  Kuan-Hong
Institution:CAI,Chen-Xin XUE,Kuan-HongDepartment of Chemistry,Nanjing Normal University,Nanjing,Jiangsu 210097,China
Abstract:The kinetic parameters for the electrocatalytic oxidation of di-hydronicotiamide adenine dinucleotide (NADH) at glassy carbon electrodes modified with an electropolymerized film of nile blue A (PNB) have been determined based on rotating disk electrode measurements. The rate constant for the chemical reaction between NADH and PNB is strongly influenced by NADH concentration and the pH value of solution, and it decreases with increasing NADH concentration, indicating that the electrocatalytic process proceeds via the formation of an intermediate of charge-transfer complex between NADH and PNB.
Keywords:Electrocatalysis  modified electrode  mediator  NADH  nile blue A
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