Studies on Dual Carbon Fiber Microelectrodes and Its Application to Detection of Dopamine

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (10): 1211.

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Studies on Dual Carbon Fiber Microelectrodes and Its Application to Detection of Dopamine

ZHANG Xue-Ji, B. J. Seddon, WANG Chang-Fa, ZHOU Xing-Yao, ZHAO Zao-Fan

Department of Chemistry, Wuhan University, Wuhan, 430072

Received:1991-09-21 Revised:1992-06-15 Online:1992-10-24 Published:1992-10-24

Abstract

Abstract: The present paper covers the investigation and application of dual microelectrodes.Dopamine is detected with the electrodes from the ascorbic acid background.Electrode reaction mechanism is studied.Collector current is proportional to concentration of dopamine in the range over 5.0×10^-4 mol/L to 5.0×10^-6 mol/Land ramains independent of ascorbic acid concentration to approximately 5.0×10^-4 mol/L.

Key words: Microelectrodes, Voltammetry, Dopamine, Ascorbic acid

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ZHANG Xue-Ji, B. J. Seddon, WANG Chang-Fa, ZHOU Xing-Yao, ZHAO Zao-Fan . Studies on Dual Carbon Fiber Microelectrodes and Its Application to Detection of Dopamine[J]. Chem. J. Chinese Universities, 1992, 13(10): 1211.

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Studies on Dual Carbon Fiber Microelectrodes and Its Application to Detection of Dopamine

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