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Int. J. Mol. Sci. 2005, 6(12), 303-310; doi:10.3390/i6120303

Facile Interfacial Electron Transfer of Hemoglobin

1,2, 1,* , 3, 2, 2, 2 and 2
1 School of Material Science and Engineering, Shanghai University, Shanghai 201800, China 2 Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800, China 3 Bio-X Life Science Research Center, Shanghai Jiao Tong University, Shanghai 200030, China
* Author to whom correspondence should be addressed.
Received: 16 November 2005 / Accepted: 20 December 2005 / Published: 22 December 2005
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We herein describe a method of depositing hemoglobin (Hb) and sulfonated polyaniline (SPAN) on GC electrodes that facilitate interfacial protein electron transfer. Well-defined, reproducible, chemically reversible peaks of Hb and SPAN can be obtained in our experiments. We also observed enhanced peroxidase activity of Hb in SPAN films. These results clearly showed that SPAN worked as molecular wires and effectively exchanged electrons between Hb and electrodes.Mediated by Conjugated Polymers
Keywords: Hemoglobin; sulfonated polyaniline; biosensors; protein electrochemistry; conducting polymers Hemoglobin; sulfonated polyaniline; biosensors; protein electrochemistry; conducting polymers
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Zhou, B.; Sun, R.; Hu, X.; Wang, L.; Wu, H.; Song, S.; Fan, C. Facile Interfacial Electron Transfer of Hemoglobin. Int. J. Mol. Sci. 2005, 6, 303-310.

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