The direct electrochemistry of myoglobin at a DL-homocysteine self-assembled gold electrode |
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| Authors: | Zhang H M Li N Q |
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| Affiliation: | Department of Chemistry, Peking University, Beijing, People's Republic of China. Zhanghm@chem.pku.edu.cn |
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| Abstract: | A pair of well-defined redox waves of myoglobin at a DL-homocysteine self-assembled gold electrode was achieved. Myoglobin can strongly bind to the homocysteine self-assembled gold electrode, so the Mb-Hcy self-assembled gold electrode was prepared and the standard rate constant (ks) of Mb was calculated as 9.3 x 10(-1) s(-1). X-ray photoelectron spectroscopy (XPS) measurements demonstrated that Hcy monolayer was formed and Mb was bound to Hcy monolayer. |
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