Two Photobioelectrochemical Applications of Self-Assembled Films on Mercury

Author:

Tadini Buoninsegni Francesco,Dolfi Andrea,Guidelli Rolando

Abstract

The homogeneous, defect-free surface of a hanging mercury drop electrode was used to self-assemble films apt for the investigation of two photobioelectrochemical systems. Monolayers of straight-chain C12-C18alkane-1-thiols were anchored to a hanging mercury drop electrode and a film of chlorophyll was self-assembled on the top of them. The dependence of the photocurrents generated by illumination of the chlorophyll film with red light, on the thickness of the alkane-1-thiol monolayer and the applied potential is discussed. The photocurrents of purple membrane fragments, adsorbed on a mixed hexadecane-1-thiol/ dioleoylphosphatidylcholine bilayer self-assembled on mercury, were investigated in the presence of sodium perchlorate, chloride and acetate. The effect of the anions on the kinetics of the light-driven proton transport by bacteriorhodopsin has been determined.

Publisher

Institute of Organic Chemistry & Biochemistry

Subject

General Chemistry

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Development and application of estradiol sensor based on layer-by-layer assembling technique;Journal of Experimental Nanoscience;2011-02

2. Electrochemical characterization of redox centers organized at Hg surfaces;Inorganica Chimica Acta;2007-02

3. SAMs on Hg Electrodes;Encyclopedia of Electrochemistry;2007-01-26

4. Photoinduced Electroreduction of Chlorophyllide on Alkanethiol-Coated Mercury;Journal of the American Chemical Society;2005-01-25

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