Surface Layers of 6-Thioguanine on the Mercury Electrode

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 2002 English Publisher:Elsevier BVJournal:Journal of Colloid and Interface Science, volume 250, pages 295-302 (issn: 0021-9797,

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Authors: Zoraida González, Arias; Jesús Luis Muñiz, Alvarez; Juan Miguel López, Fonseca;

doi: 10.1006/jcis.2002.8339

pmid: 16290667

Surface Layers of 6-Thioguanine on the Mercury Electrode

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Abstract

The adsorption behavior of 6-thioguanine (6TG) on a hanging mercury drop electrode has been studied with ac and cyclic voltammetry in 0.1 M Na2SO4 and 0.01 M sodium acetate solutions at pH 4.3. Several condensed phases of chemically adsorbed 6TG as well as one phase of physically adsorbed 6TG have been characterized. Under total coverage conditions, the films of chemiadsorbed molecules inhibit rather efficiently the electrode reaction of mercury oxide formation.

Related Organizations

University of Oviedo
Spain

Keywords

Sodium Acetate, Sulfates, Surface Properties, Electrochemistry, Adsorption, Mercury, Thioguanine, Electrodes

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