期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 4, 期 6, 页码 506-509出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S1388-2481(02)00360-0
关键词
DNA molecular; carbon nanotube; electrochemical impedance spectroscopy; cytochrome c
Multi-walled carbon nanotube (MWCNT) is successfully immobilized on the surface of platinum electrode by mixing with DNA. The DNA/MWCNT modified electrodes are characterized by electrochemical impedance spectroscopy and cyclic voltammetry. Further research indicates that cytochrome c can strongly adsorbed on the surface of the modified electrode, and forms an approximate monolayer. The immobilized MWCNT can promote the redox of horse heart cytochrome c which gives reversible redox peaks with a formal. potential of 81 mV vs SCE. (C) 2002 Elsevier Science B.V. All rights reserved.
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