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Direct Electrochemistry of Cytochrome c at a Glassy Carbon Electrode Modified with Single-Wall Carbon Nanotubes
Abstract
The electrochemistry of horse heart cytochrome c was studied by cyclic voltammetry at a glassy carbon electrode modified with single-wall carbon nanotubes (SWNTs). A pair of well-defined redox waves was obtained in cytochrome c aqueous solution at an activated SWNT film-modified electrode. The optimal conditions for activating the SWNT film-modified electrode has been determined. The electrode reaction of cytochrome c is a diffusion-controlled process. The peak current increases linearly with the concentration of cytochrome c in the range from 3.0 x 10(-5)-7.0 x 10(-4) M. The detection limit is 1.0 x 10(-5) M. The activated SWNT film was characterized by scanning electron microscopy. Furthermore, interaction of cytochrome c with adenine was characterized by electrochemical and spectral methods.
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Cited by
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Wang, J., Musameh, M., & Lin, Y. (2003) · Journal of the American Chemical Society · doi:10.1021/ja028951v · Cited by 1,382
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Metadata
- Authors
- Wang, J., Li, M., Shi, Z., Li, N., & Gu, Z.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-03-30
- Volume
- 74
- Issue
- 9
- Pages
- 1993-1997
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2045774865
- Cited by
- 775
- References
- 0
- FWCI
- 53.63
- Type
- journal article
- Language
- en
- Open access
- closed
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