Efficient electron flux conversion from strongly hydrophilic NADH model in the transmembrane electron transfer by flavolipid.
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概要
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By using a strongly hydrophilic NADH model, BzNAHCOOK in the external electron donor, a transmembrane electron transport to the internal acceptor, K<SUB>3</SUB>[Fe(CN)<SUB>6</SUB>] through the flavolipid (<B>1</B>) was observed. BzNAHCOOK was proved to be an appropriate NADH model in the transmembrane electron transport study because of (i) the very low permeability through the bilayer membrane (<I>k</I>=1.0×10<SUP>−3</SUP> s<SUP>−1</SUP>) and (ii) the slow hydration rate (<I>k</I>=1.1×10<SUP>−5</SUP> s<SUP>−1</SUP>). The artificial liposome modified with the flavolipid showed a 6–7 times more efficient electron flux conversion from BzNAHCOOK to K<SUB>3</SUB>[Fe(CN)<SUB>6</SUB>] than the liposome modified with the ubiquinone 10, a biologically important electron carrier. In association with the electron transport, electrochemical oxidation and reduction peaks of the flavolipid incorporated into the liposomal membrane were observed clearly by using Hg-electrode.
- 公益社団法人 日本化学会の論文
著者
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Kobuke Yoshiaki
Department Of Materials Science Faculty Of Engineering Shizuoka University
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Hamachi Itaru
Department Of Chemical Science & Technology Faculty Of Engineering Kyushu University
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Hamachi Itaru
Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University
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Tabushi Iwao
Department of Synthetic Chemistry, Faculty of Engineering, Kyoto University
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Tabushi Iwao
Department oe Pharmaceutical Sciences, Kyashu University
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