한국전기화학회

Vol.7, No.1, February 2004

Amperometric Detection of DNA by Electroreducation of O2 in an Enzyme-Amplified Two-Component Assay: JKES Vol.7, No.1, pp.44~48, February 2004; DOI : 10.5229/JKES.2004.7.1.044

Chang-Jung Yoon and Hyug-Han Kim

Department of Chemistry, Dankook University, Cheonan, 330-714, Korea

The two-component type enzyme amplified amperometric DNA assay is described to use an ambient O2 of the substrate of the DNA labeling enzyme. Although the assay detects DNA only at *0.5 nM concentration, a concentration ~106 fold higher than the sandwich-

Keyword : DNA Detection, Electrochemistry, Amperometry, Enzyme-Amplification, Screen-printed carbon electrode, Bilirubin oxidase

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JKES

Vol.7, No.1, February 2004