DNA-modified electrodes: VIII. Electrochemical behavior  of Co^3^+^/^2^+ at single-stranded DNA modified gold  electrodes in the presence of 1, 10-phenanthroline and the  detection of trace cobalt

Acta Chimica Sinica ›› 2000, Vol. 58 ›› Issue (5): 524-528. Previous Articles Next Articles

Original Articles

DNA修饰电极的研究: VIII. 1, 10-菲咯啉存在时钴离子在ssDNA 修饰金电极上的电化学行为及痕量钴的检测

庞代文;陆琪;赵元弟;张敏

武汉大学化学系.武汉(430072)

发布日期:2000-05-15

DNA-modified electrodes: VIII. Electrochemical behavior of Co^3^+^/^2^+ at single-stranded DNA modified gold electrodes in the presence of 1, 10-phenanthroline and the detection of trace cobalt

Pang Daiwen;Lu Qi;Zhao Yuandi;Zhang Min

Wuhan Univ, Dept Chem.Wuhan(430072)

Published:2000-05-15

Abstract

The current response of Co^3^+^/^2^+ was dramatically enhanced at single-stranded DNA (ssDNA) modified gold electrodes in the presence of excess 1, 10-phenanthroline. The interaction between Co^3^+^/^2^+/1, 10-phenanthroline and ssDNA was investigated by ultraviolet spectroscopy and cyclic voltammetry. Based on the highly sensitive electrochemical responses of Co^3^+^/^2^+ at ssDNA modified gold electrodes in the presence of 1, 10-phenanthroline, a method for the detection of trace cobalt was developed.

Key words: DEOXYRIBONUCLEIC ACID, MODIFIED ELECTRODE, PHENANTHROLINE, COBALT ION, ELECTROCHEMISTRY, TRACE ANALYSIS

CLC Number:

O646
O657

Cite this article

Pang Daiwen;Lu Qi;Zhao Yuandi;Zhang Min. DNA-modified electrodes: VIII. Electrochemical behavior of Co^3^+^/^2^+ at single-stranded DNA modified gold electrodes in the presence of 1, 10-phenanthroline and the detection of trace cobalt[J]. Acta Chimica Sinica, 2000, 58(5): 524-528.

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DNA修饰电极的研究: VIII. 1, 10-菲咯啉存在时钴离子在ssDNA 修饰金电极上的电化学行为及痕量钴的检测

DNA-modified electrodes: VIII. Electrochemical behavior of Co^3^+^/^2^+ at single-stranded DNA modified gold electrodes in the presence of 1, 10-phenanthroline and the detection of trace cobalt

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DNA修饰电极的研究: VIII. 1, 10-菲咯啉存在时钴离子在ssDNA 修饰金电极上 的电化学行为及痕量钴的检测

DNA-modified electrodes: VIII. Electrochemical behavior of Co^3^+^/^2^+ at single-stranded DNA modified gold electrodes in the presence of 1, 10-phenanthroline and the detection of trace cobalt

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Abstract

Cite this article

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Related Articles 15

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DNA修饰电极的研究: VIII. 1, 10-菲咯啉存在时钴离子在ssDNA 修饰金电极上的电化学行为及痕量钴的检测