引用本文:
Xiang Qin LIN, Qian MIAO, Bao Kang JIN. DNA Immobilization on Nano-Gold Modified Glassy Carbon Electrode[J]. Chinese Chemical Letters,
1999, 10(2): 157-160.
Citation: Xiang Qin LIN, Qian MIAO, Bao Kang JIN. DNA Immobilization on Nano-Gold Modified Glassy Carbon Electrode[J]. Chinese Chemical Letters, 1999, 10(2): 157-160.
Citation: Xiang Qin LIN, Qian MIAO, Bao Kang JIN. DNA Immobilization on Nano-Gold Modified Glassy Carbon Electrode[J]. Chinese Chemical Letters, 1999, 10(2): 157-160.
DNA Immobilization on Nano-Gold Modified Glassy Carbon Electrode
摘要:
CT-DNA were electrochemically immobilized on the surfaces of both nano-gold modified glassy carbon electrode and bare glassy carbon electrode. The cyclic voltammetrie behavior of Co (phen)33+ adsorbed on the immobilized DNA was studied. Increase in the peak current of Co (phen)33+ redox reaction was obtained on nano-gold modified glassy carbon electrode. The result suggests that more DNA molecules were immobilized on this electrode and nano-gold modification can enhance the heterogeneous electron transfer rate constant of the Co (phen)33+.
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关键词:
- DNA
- / nano-gold
- / glassy carbon
- / cyclic voltammetry
English
DNA Immobilization on Nano-Gold Modified Glassy Carbon Electrode
Abstract:
CT-DNA were electrochemically immobilized on the surfaces of both nano-gold modified glassy carbon electrode and bare glassy carbon electrode. The cyclic voltammetrie behavior of Co (phen)33+ adsorbed on the immobilized DNA was studied. Increase in the peak current of Co (phen)33+ redox reaction was obtained on nano-gold modified glassy carbon electrode. The result suggests that more DNA molecules were immobilized on this electrode and nano-gold modification can enhance the heterogeneous electron transfer rate constant of the Co (phen)33+.
-
Key words:
- DNA
- / nano-gold
- / glassy carbon
- / cyclic voltammetry
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