Nanotech 2011

Simultaneous determination of guanine and adenine on nano-poly(4-aminothiophenol) patterns modified ITO electrode

W.A. El-said, T.-H. Kim, J.-W. Choi
Sogang University, KR

Keywords: nano-polymer, Deoxyribonucleic acid, electrochemical assay


Here, poly(4-aminothiophenol) nano-patterns modified ITO electrode was fabricated to investigate the electrochemical behavior of A and G individual as well as simultaneous detection of mixture of A and G. The results demonstrated that nano-poly(4-aminothiophenol)/ITO can significantly enhance the oxidation peak current and decrease the oxidation potential. The proposed method was successfully applied to simultaneously determine A and G. Therefore, this simple and reliable method could be proposed to high sensitivity simultaneously determine A and G in the related physiology process.

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