Application of a Titanium Dioxide Electrode for Measuring Glycine Using Copper(II) Ion.

MOTONAKA Junko, MARUYAMA Kenichi, MISHIMA Yuji, IKEDA Sanae

doi:10.2116/analsci.14.961

Application of a Titanium Dioxide Electrode for Measuring Glycine Using Copper(II) Ion.

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MOTONAKA Junko

Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
MARUYAMA Kenichi

Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
MISHIMA Yuji

Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima
IKEDA Sanae

Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima

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タイトル別名

Application of a Titanium Dioxide Elect

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A titanium dioxide electrode using copper(II) ion was developed for measuring glycine. The copper(II)-glycine complex interacted on the titanium dioxide electrode surface. Use of the copper redox system enabled indirect measurement of glycine with good reproducibility without elution of the titanium ion. The calibration curve was determined and the effects of temperature, pH, the scanning rate, concomitant compounds, and the lifetime of the electrode were examined. Under optimal conditions, the current response was linear in the concentration range of 0.02 - 0.10 mM glycine.