<i>In situ</i> Observation of Electron Transfer Kinetics of Cytochrome <i>c</i> Adsorbed on ITO Electrode with Applying Pulse Potential Step with Slab Optical Waveguide Spectroscopy
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- MATSUDA Naoki
- Measurement Solution Research Center, AIST
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- OKABE Hirotaka
- Measurement Solution Research Center, AIST
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In situ UV-vis. absorption spectra of cytochrome c adsorbed on ITO electrode was observed with slab optical waveguide spectroscopy combining pulse potential step (PPS) between 0.3 and -0.45V vs. Ag/AgCl. The amount of cytochrome c adsorbed on ITO electrode was estimated from the amount of coulomb of the peaks in cyclic voltammogram to be about a monolayer coverage in this experimental condition. Spectral change between oxidized and reduced cytochrome c by PPS was finished in about 20msec with phosphate buffer solution. The results strongly proved that SOWG spectroscopy should be effective for in situ observation of ET reaction kinetics of surface adsorbed molecules.
収録刊行物
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- IEICE Transactions on Electronics
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IEICE Transactions on Electronics E96.C (3), 389-392, 2013
一般社団法人 電子情報通信学会
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詳細情報 詳細情報について
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- CRID
- 1390001204379008896
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- NII論文ID
- 10031167372
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- NII書誌ID
- AA10826283
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- ISSN
- 17451353
- 09168524
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 抄録ライセンスフラグ
- 使用不可