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pH Effect on Catalytic Activity and Selectivity of Flavin Enzyme for Oxygen Reduction Reaction
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- Kin Seisho
- Tsukuba Univ. School of Science and Engeneering
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- Takeyasu Kotaro
- Tsukuba Univ. Faculty of Pure and Applied Sciences
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- Nakamura Junji
- Tsukuba Univ. Faculty of Pure and Applied Sciences
Bibliographic Information
- Other Title
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- フラビン酵素の酸素還元反応活性及び反応選択性におけるpHの効果
Description
<p>Pyridinic nitrogen species were found to create active sites on nitrogen doped carbon catalyst for oxygen reduction reaction (ORR). However, factors to promote the ORR remained to be elucidated. In this work, we focus on ORR mechanisms on flavin enzyme which has pyridinic nitrogen species and is highly active for the ORR within an organism. pH effect on catalytic activity and selectivity of flavin enzyme was investigated by electrochemical methods. The results showed that hydrogen peroxide formation was increased in acidic medium. The mechanisms will also be discussed based on spectroscopic studies.</p>
Journal
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- Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science
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Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2019 (0), 2P51-, 2019
The Japan Society of Vacuum and Surface Science
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Details 詳細情報について
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- CRID
- 1390564227329751808
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- NII Article ID
- 130007737645
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- ISSN
- 24348589
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed