Characterization of cysteamine self assembled on gold functionalized with nitrilotriacetic acid and evaluation of copper(II) binding capacity with adsorption transfer stripping voltammetry
Journal of Electroanalytical Chemistry(2014)
Abstract
•Gold electrode was modified with cysteamine and nitrilotriacetic acid.•Electrochemistry of modified electrode was studied.•An AdTSV method for determination of copper was developed.•Trace levels of copper were determined in urine samples.
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Key words
Cysteamine,Nitrilotriacetic acid,Self assembled monolayer,Adsorption transfer stripping voltammetry,Electrochemical impedance spectroscopy
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