期刊
BIOELECTROCHEMISTRY
卷 63, 期 1-2, 页码 37-41出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bioelechem.2003.12.002
关键词
mercury film electrodes; solid amalgam electrodes; roughness; adenosine adlayers; two-dimensional phase transition
The optical diffractive (DOE)-based sensor was used to the study of the optical roughness of different carbon/graphite electrodes modified by mercury film (MFEs) and solid amalgam-alloy electrodes (S-MeA-Es). The electrode surfaces were visualised by an optical metallurgical microscope. The adsorption of adenosine at the MFEs and S-MeAEs has been investigated by capacitance measurement. Some kinetics aspects, such as the influence of the surface morphology, nature of the substrate and thickness of the mercury film and amalgam-alloy on the formation of two-dimensional (2D) physisorbed adenosine adlayer on the MFEs and S-MeAEs, were studied. (C) 2004 Elsevier B.V. All rights reserved.
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