Electrocatalytic oxidation of lactose on gold nanoparticle modified carbon in carbonate buffer

The electrocatalytic oxidation of lactose has been studied on nanolength scale Au-colloids (5 nm) embedded in carbon felt as electrode (Au-NMC). A preliminary investigation by cyclic voltammetry, used to determine the optimized conditions of electrolysis, showed that the current densities were highe...

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Veröffentlicht in:	Journal of applied electrochemistry 2006-02, Vol.36 (2), p.147-151
Hauptverfasser:	KOKOH, K. B, ALONSO-VANTE, N
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Sprache:	eng
Schlagworte:	Catalysis Chemical Sciences Chemistry Electrochemistry Exact sciences and technology General and physical chemistry Kinetics and mechanism of reactions Other
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creator	KOKOH, K. B ALONSO-VANTE, N
description	The electrocatalytic oxidation of lactose has been studied on nanolength scale Au-colloids (5 nm) embedded in carbon felt as electrode (Au-NMC). A preliminary investigation by cyclic voltammetry, used to determine the optimized conditions of electrolysis, showed that the current densities were higher than those obtained on a gauze electrode of gold (Au-GE) with a surface area three times greater. Long-time electrolyses were carried out using a two potential plateau program with different values for the oxidation potentials. Chromatographic and NMR analyses showed that the oxidation of lactose led mainly to lactobionate (91%).
doi_str_mv	10.1007/s10800-005-9042-6
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subjects	Catalysis Chemical Sciences Chemistry Electrochemistry Exact sciences and technology General and physical chemistry Kinetics and mechanism of reactions Other
title	Electrocatalytic oxidation of lactose on gold nanoparticle modified carbon in carbonate buffer
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