Photoactivation Studies of Zinc Porphyrin-Myoglobin System and Its Application for Light-Chemical Energy Conversion

被引：5

作者：

Chang, Chin-Hao ^{[1
]}

Hu, Yi-Ting ^{[1
]}

Lo, Chen-Fu ^{[2
]}

Luo, Liyang ^{[3
,4
]}

Lin, Hung-Ming ^{[1
]}

Chang, Cheng-Hsiang ^{[1
]}

Lin, Ching-Yao ^{[2
]}

Diau, Eric Wei-Guang ^{[3
,4
]}

Wu, Tung-Kung ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Biol Sci & Technol, Hsinchu 30068, Taiwan

[2] Natl Chi Nan Univ, Dept Appl Chem, Puli, Nantou County, Taiwan

[3] Natl Chiao Tung Univ, Dept Appl Chem, Hsinchu 30068, Taiwan

[4] Natl Chiao Tung Univ, Inst Mol Sci, Hsinchu 30068, Taiwan

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES | 2011年 / 7卷 / 08期

关键词：

photoelectrochemical energy conversion; zinc protoporphyrin; myoglobin; oxidoredox reaction; biosensitizer; NICOTINAMIDE ADENINE-DINUCLEOTIDE; ELECTRON-TRANSFER; TRIPLET-STATE; CYTOCHROME-C; SOLAR-CELLS; RECONSTITUTED MYOGLOBIN; REDUCTION; DIMERS; OXIDATION; HYDROGEN;

D O I：

10.7150/ijbs.7.1203

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

An artificial zinc porphyrin-myoglobin- based photo-chemical energy conversion system, consisting of ZnPP-Mb or ZnPE1-Mb as a photosensitizer, NADP(+) 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 c, 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.

引用

页码：1203 / 1213

页数：11

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