TITLE

Electrochemical Evaluation of Binding Copper and Copper Histidine Complex on Histidine Modified Gold Electrode

AUTHOR(S)
Kereković, Irena
PUB. DATE
October 2014
SOURCE
International Journal of Electrochemical Science;2014, Vol. 9 Issue 10, p5596
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Histidine monolayer was adsorbed on the surface of the gold electrode in aim to investigate electrochemical behavior of Cu2+ ion and Cu-His complex. Formation of the layer on the gold surface was investigated with cyclic voltammetry with p-benzoquinone/hydroquinone redox pair. Interaction between the modified electrode and Cu2+ and Cu-His was characterized with cyclic voltammetry and adsorptive anodic stripping voltammetry. Coupling of the Cu2+ and Cu-His onto the modified electrode was successfully done for a wide range of tested concentrations. Electrode response was linearly proportional to log c(Cu2+) and log c(Cu-His) with correlation coefficient R² = 0.9945 and R² = 0.9807 respectively.
ACCESSION #
97184953

 

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