Studies on the Electron Transfer for Reaction Center Isolated from Rhodobacter Sphaeroides in Self-assembly Composite Film

Chem. J. Chinese Universities ›› 2001, Vol. 22 ›› Issue (9): 1486.

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Studies on the Electron Transfer for Reaction Center Isolated from Rhodobacter Sphaeroides in Self-assembly Composite Film

ZHAO Jie-Quan¹, ZOU Yong-Long², LIU Bao-Hong-PENG Xue-Song¹, XU Chun-He¹, KONG Ji-Lie², CUI Da-Fu¹

1. Department of Chemistry, Wuhan University, Wuhan 430072, China;
2. State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Beijing 100080, China

Received:2000-05-24 Online:2001-09-24 Published:2001-09-24

Abstract

Abstract: The composite ordered protein film was assemblied on the surface of a gold electrode by self-assembly mono layer approach using meso 2,3 dimercaptosuccinic acid(DMSA), poly dimethyldiallylammonium chloride(PDDA) and reaction center membrane protein purified from purple bacteria(Rhodobacter sphaeroides). Square wave voltammetry(SWV) was employed to study the electrochemical behavior of the protein composite film. The reversible or quasi reversible electron transfer for redox couples therein was successfully detected. The reduction potential for each redox couple and the electrochemically driven effect was also discussed. The typical SWV-results were non linearly fitted to get the kinetic parameters for the composite protein film.

Key words: Electron transfer, Electrochemistry, Rhodobacter sphaeroides, Reaction center

CLC Number:

O657

TrendMD:

ZHAO Jie-Quan, ZOU Yong-Long, LIU Bao-Hong-PENG Xue-Song, XU Chun-He, KONG Ji-Lie, CUI Da-Fu. Studies on the Electron Transfer for Reaction Center Isolated from Rhodobacter Sphaeroides in Self-assembly Composite Film[J]. Chem. J. Chinese Universities, 2001, 22(9): 1486.

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Studies on the Electron Transfer for Reaction Center Isolated from Rhodobacter Sphaeroides in Self-assembly Composite Film

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