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A new strategy for simultaneous determination of cysteamine in the presence of high concentration of tryptophan using vinylferrocene-modified multiwall carbon nanotubes paste electrode
Authors: Mohsen Keyvanfard, Ali A Ensafi, Hassan Karimi-Maleh
Publication date: 2012/9/1
Journal name: Journal of Solid State Electrochemistry
Volume: 16
Pages: 2949-2955
Publisher: Springer-Verlag
Abstract The electro-oxidation of cysteamine (CA) and tryptophan (TP) were studied by
vinylferrocene-modified carbon nanotubes paste electrode using cyclic voltammetry,
chronoamperometry, electrochemical impedance spectroscopy, and square wave
voltammetry. This modified electrode exhibits persistent electron-mediating behavior
followed by well-separated oxidation peaks towards CA and TP with decreasing their
overpotentials. For the mixture containing CA and TP, the peaks potential well separated ...
vinylferrocene-modified carbon nanotubes paste electrode using cyclic voltammetry,
chronoamperometry, electrochemical impedance spectroscopy, and square wave
voltammetry. This modified electrode exhibits persistent electron-mediating behavior
followed by well-separated oxidation peaks towards CA and TP with decreasing their
overpotentials. For the mixture containing CA and TP, the peaks potential well separated ...
Journal Papers
Month/Season:
September
Year:
2012