Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Assay of Trace Gold Ion in a Skin Cell Using a Stripping Voltammetry

  • Ly, Suw-Young (Biosensor Research Institute, Seoul National University of Technology) ;
  • Lee, Jin-Hui (Dept. of Chemical Engineering, Seoul National University of Science and Technology) ;
  • Yi, Jae-Hun (Dept. of Chemical Engineering, Seoul National University of Science and Technology)
  • Received : 2010.12.19
  • Accepted : 2011.01.15
  • Published : 2011.03.30
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Abstract

Threelectrodes systems were used in stripping voltammetry (SW) and cyclic voltammetry (CV) instead of the expensive platinum and Ag/AgCl reference electrodes. Moreover, the electrolyte solution was used with deep seawater, which can reduce water pollution, is more eco-friendly, and has a lower cost. The analytical optimum parameters measured via CV and SW and with working ranges were obtained from 10 to 80 ug/L using fluorine immobilized on a graphite pencil electrode (FE). Under the optimum conditions, the analytical detection limit of 6.30 ug/LAu was obtained. The results of the study can be applied to diagnostic assay for natural minerals and human finger tissue.

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References

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