Application of thin film mercury electrodes and solid amalgam electrodes in electrochemical analysis of the nucleic acids components: detection of the two-dimensional phase transients of adenosine.

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Authors	HASOŇ Stanislav VETTERL Vladimír
Year of publication	2004
Type	Article in Periodical
Magazine / Source	Bioelectrochemistry
MU Faculty or unit	Faculty of Science
Citation
Field	Biophysics
Keywords	mercury film electrodes; solid amalgam electrodes; roughness; adenosine adlayers; two-dimensional phase transition
Description	The optical diffractive (DOE)-based sensor was used to the study of the optical roughness of different carbo/graphite electrodes modified by mercury film (MFEs) and solid amalgam-alloy electrodes (S-MeAEs). The electrode surfaces were visualised by an optical metallurgical microscope. The adsoprtion of adenosine at the MFEs and S-MeAEs has been investigated by capacitance measurements. Some kinetic 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 physisorbed adenosine adlayers on the MFEs and S-MeAEs were studied.
Related projects:	Application of biophysical methods in biotechnological and clinical praxis Interaction of biopolymers with ligands and detection of their conformation changes at interfaces by electrochemical and optical methods.