Green-synthesized gold nanoparticles decorated graphene sheets for label-free electrochemical impedance DNA hybridization biosensing

Sensitive electrochemical impedance assay of DNA hybridization by using a novel graphene sheets platform was achieved. The graphene sheets were firstly functionalized with 3,4,9,10-perylene tetracarboxylic acid (PTCA). PTCA molecules separated graphene sheets efficiently and introduced more negative...

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Veröffentlicht in:	Biosensors & bioelectronics 2011-07, Vol.26 (11), p.4355-4361
Hauptverfasser:	Hu, Yuwei, Hua, Shucheng, Li, Fenghua, Jiang, Yuanyuan, Bai, Xiaoxue, Li, Dan, Niu, Li
Format:	Artikel
Sprache:	eng
Schlagworte:	Base Sequence Biological and medical sciences Biosensing Techniques - methods Biosensing Techniques - statistics & numerical data Biosensors Biotechnology Dielectric Spectroscopy DNA DNA Probes - genetics DNA, Viral - analysis DNA, Viral - genetics Fundamental and applied biological sciences. Psychology Genes, pol Gold Gold nanoparticles Graphene Graphite Green Chemistry Technology HIV-1 - genetics Human immunodeficiency virus 1 Humans Impedance Label-free Metal Nanoparticles - ultrastructure Methods. Procedures. Technologies Microscopy, Electron, Transmission Nucleic Acid Hybridization Static Electricity Various methods and equipments X-Ray Diffraction
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