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タイトル: | Direct electron transfer-type bioelectrocatalysis by membrane-bound aldehyde dehydrogenase from Gluconobacter oxydans and cyanide effects on its bioelectrocatalytic properties |
著者: | Adachi, Taiki https://orcid.org/0000-0002-3863-993X (unconfirmed) Kitazumi, Yuki https://orcid.org/0000-0001-6171-6457 (unconfirmed) Shirai, Osamu Kano, Kenji |
著者名の別形: | 足立, 大宜 北隅, 優希 白井, 理 加納, 健司 |
キーワード: | Membrane-bound aldehyde dehydrogenase Bioelectrocatalysis Direct electron transfer Acetaldehyde oxidation Cyanide coordination |
発行日: | Feb-2021 |
出版者: | Elsevier BV |
誌名: | Electrochemistry Communications |
巻: | 123 |
論文番号: | 106911 |
抄録: | The bioelectrocatalytic properties of membrane-bound aldehyde dehydrogenase (AlDH) from Gluconobacter oxydans NBRC12528 were evaluated. AlDH exhibited direct electron transfer (DET)-type bioelectrocatalytic activity for acetaldehyde oxidation at several kinds of electrodes. The kinetic and thermodynamic parameters for bioelectrocatalytic acetaldehyde oxidation were estimated based on the partially random orientation model. Moreover, at the multi-walled carbon nanotube-modified electrode, the coordination of CN‾ to AlDH switched the direction of the DET-type bioelectrocatalysis to acetate reduction under acidic conditions. These phenomena were discussed from a thermodynamic viewpoint. |
著作権等: | © 2020 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license |
URI: | http://hdl.handle.net/2433/276835 |
DOI(出版社版): | 10.1016/j.elecom.2020.106911 |
出現コレクション: | 学術雑誌掲載論文等 |
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