2011 Fiscal Year Final Research Report
Construction of high-power biofuel cells replaced by fuel cells with platinum catalyst
| Project/Area Number |
21605004
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Element strategy
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| Research Institution | Tokyo University of Agriculture and Technology |
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Principal Investigator |
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| Project Period (FY) |
2009 – 2011
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| Keywords | バイオ燃料電池 / バイオデバイス / 酵素触媒 / 生物電気化学 / ナノ粒子 |
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| Research Abstract |
We tried to construct high-power biofuel cells. The optimal orientation of enzymes on the electrode surface, three-dimensional immobilization of enzymes, and immobilization of plural enzymes on an electrode were investigated. We found the best treatment of the electrode for enzyme immobilization. Using a novel thermophilic alcohol dehydrogenase, a high current density was observed at 80℃more than 10 times at room temperature. An extremely high surface coverage of electrostatically active protein, 270 proteins in a fully packed monolayer, was obtained through use of the gold nanoparticle-modified electrode. We also found a novel alcohol dehydrogenase which can catalyze 4-electron oxidation of ethanol.
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[Presentation] Electron tunneling through mutant azurins on mixed-SAM gold electrodes2009
Author(s)
K. Yokoyama, K. M. Lancaster, Y. Sheng, N. Nakamura, H. Ohno, B. S. Leigh, K. Niki, J. R. Winkler, J. H. Richards, and H. B. Gray
Organizer
14th International Conference on Biological Inorganic Chemistry(ICBIC 14)
Place of Presentation
Nagoya, Japan
Year and Date
2009-07-26
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