pH-Dependent Photocurrent Response from Bacteriorhodopsin at Electrode-Electrolyte Interfaces

• Yoshitaka Saga

  Institute of Industrial Science, University of Tokyo

• Tadashi Watanabe

  Institute of Industrial Science, University of Tokyo

• Koichi Koyama

  Ashigara Research Laboratories, Fuji Photo Film Co., Ltd

• Tsutomu Miyasaka

  Ashigara Research Laboratories, Fuji Photo Film Co., Ltd

抄録

The transient photocurrent response of bacteriorhodopsin (bR) at electrode-electrolyte interfaces showed a drastic pH dependence, reversing at a low pH. The ratio of the photocurrent by turning the light off to that at the onset of illumination, Ioff/Ion, decreased systematically from 0.92 to 0 by raising pH. These results can neatly be correlated with the proton release/uptake sequence in the bR photocycle.

収録刊行物

• Chemistry Letters

  Chemistry Letters 27 (9), 961-962, 1998-09-01

  Oxford University Press (OUP)

キーワード

• General Chemistry

詳細情報

• CRID: 1360846644039709312
• NII論文ID: 10004485776
• NII書誌ID: AA00603318
• DOI: 10.1246/cl.1998.961
• ISSN: 13480715
• ISSN: 03667022
• Web Site: https://academic.oup.com/chemlett/article-pdf/27/9/961/56072835/cl.1998.961.pdf
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