An Electrochemical DNA Biosensor Developed on a Nanocomposite Platform of Gold and Poly(propyleneimine) Dendrimer

An electrochemical DNA nanobiosensor was prepared by immobilization of a 20mer thiolated probe DNA on electro-deposited generation 4 (G4) poly(propyleneimine) dendrimer (PPI) doped with gold nanoparticles (AuNP) as platform, on a glassy carbon electrode (GCE). Field emission scanning electron micros...

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Main Authors: Omotayo Arotiba, Joseph Owino, Everlyne Songa, Nicolette Hendricks, Tesfaye Waryo, Nazeem Jahed, Priscilla Baker, Emmanuel Iwuoha
Format: Artigo
Sprog:Inglês
Udgivet: MDPI AG 2008-11-01
Serier:Sensors
Fag:
Poly(propyleneimine) dendrimer
gold nanoparticle
electrochemical impedance spectroscopy
electrochemical DNA biosensor
DNA
Online adgang:http://www.mdpi.com/1424-8220/8/11/6791/
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