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Coupling of a reagentless electrochemical DNA biosensor with conducting polymer film and nanocomposite as matrices for the detection of the HIV DNA sequences



Coupling of a reagentless electrochemical DNA biosensor with conducting polymer film and nanocomposite as matrices for the detection of the HIV DNA sequences



Analytical Letters 39(3): 467-482



This paper describes a reagentless electrochemical DNA biosensor applied to the detection of human immunodeficiency virus (HIV) sequences based on electrochemical impedance spectroscopy (EIS). The novel DNA biosensor has been elaborated by means of an opposite-charged adsorption Au-Ag nanocomposite to a conductive polymer polypyrrole (PPy) modified platinum electrode (Pt) and self-assembly the mercapto oligonucleotide probes onto the surface of modified electrode via the nanocomposite.

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Accession: 011908072

Download citation: RISBibTeXText

DOI: 10.1080/00032710500536012



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