Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion
<p>An artificial zinc porphyrin-myoglobin-based photo-chemical energy conversion system, consisting of ZnPP-Mb or ZnPE<sub>1</sub>-Mb as a photosensitizer, NADP<sup>+</sup> as an electron acceptor, and triethanolamine as an electron donor, has been constructed to mimic...
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doaj-f4833125428945a8a64141e4a2cd13942020-11-24T22:40:43ZengIvyspring International PublisherInternational Journal of Biological Sciences1449-22882011-01-017812031213Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy ConversionChin-Hao Chang, Yi-Ting Hu, Chen-Fu Lo, Liyang Luo, Hung-Ming Lin, Cheng-Hsiang Chang, Ching-Yao Lin, Eric Wei-Guang Diau, Tung-Kung Wu<p>An artificial zinc porphyrin-myoglobin-based photo-chemical energy conversion system, consisting of ZnPP-Mb or ZnPE<sub>1</sub>-Mb as a photosensitizer, NADP<sup>+</sup> as an electron acceptor, and triethanolamine as an electron donor, has been constructed to mimic photosystem I. The photoirradiated product is able to reduce a single-electron acceptor protein cytochrome <i>c</i>, but cannot catalyze the two-electron reduction of acetaldehyde by alcohol dehydrogenase, thus demonstrating a single electron transfer mechanism. Furthermore, the artificial system can bifunctionally promote oxidoredox reactions, depending on the presence or absence of a sacrificial electron donor, thus suggesting its potential application in electrochemical regeneration steps involved in chemical transformation and/or energy conversion.</p>http://www.biolsci.org/v07p1203.htm |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Chin-Hao Chang, Yi-Ting Hu, Chen-Fu Lo, Liyang Luo, Hung-Ming Lin, Cheng-Hsiang Chang, Ching-Yao Lin, Eric Wei-Guang Diau, Tung-Kung Wu |
spellingShingle |
Chin-Hao Chang, Yi-Ting Hu, Chen-Fu Lo, Liyang Luo, Hung-Ming Lin, Cheng-Hsiang Chang, Ching-Yao Lin, Eric Wei-Guang Diau, Tung-Kung Wu Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion International Journal of Biological Sciences |
author_facet |
Chin-Hao Chang, Yi-Ting Hu, Chen-Fu Lo, Liyang Luo, Hung-Ming Lin, Cheng-Hsiang Chang, Ching-Yao Lin, Eric Wei-Guang Diau, Tung-Kung Wu |
author_sort |
Chin-Hao Chang, Yi-Ting Hu, Chen-Fu Lo, Liyang Luo, Hung-Ming Lin, Cheng-Hsiang Chang, Ching-Yao Lin, Eric Wei-Guang Diau, Tung-Kung Wu |
title |
Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion |
title_short |
Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion |
title_full |
Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion |
title_fullStr |
Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion |
title_full_unstemmed |
Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion |
title_sort |
photoactivation studies of zinc porphyrin-myoglobin system and its application for light-chemical energy conversion |
publisher |
Ivyspring International Publisher |
series |
International Journal of Biological Sciences |
issn |
1449-2288 |
publishDate |
2011-01-01 |
description |
<p>An artificial zinc porphyrin-myoglobin-based photo-chemical energy conversion system, consisting of ZnPP-Mb or ZnPE<sub>1</sub>-Mb as a photosensitizer, NADP<sup>+</sup> as an electron acceptor, and triethanolamine as an electron donor, has been constructed to mimic photosystem I. The photoirradiated product is able to reduce a single-electron acceptor protein cytochrome <i>c</i>, but cannot catalyze the two-electron reduction of acetaldehyde by alcohol dehydrogenase, thus demonstrating a single electron transfer mechanism. Furthermore, the artificial system can bifunctionally promote oxidoredox reactions, depending on the presence or absence of a sacrificial electron donor, thus suggesting its potential application in electrochemical regeneration steps involved in chemical transformation and/or energy conversion.</p> |
url |
http://www.biolsci.org/v07p1203.htm |
work_keys_str_mv |
AT chinhaochangyitinghuchenfuloliyangluohungminglinchenghsiangchangchingyaolinericweiguangdiautungkungwu photoactivationstudiesofzincporphyrinmyoglobinsystemanditsapplicationforlightchemicalenergyconversion |
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