Electrochemical Monitoring of Nucleic Acid Hybridization by Single-Use Graphene Oxide-Based Sensor

M Muti, S Sharma, A Erdem, P Papakonstantinou

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

In this paper, the application of a Graphene oxide (GRPox) integrated on single-use pencil graphite electrode (PGE) for the enhanced monitoring of nucleic acids and for the sensitive and selective detection of the label free DNA hybridization related to Hepatitis B virus (HBV) sequences is described. Electrochemical behaviors of GRPox modified PGEs were firstly investigated using electrochemical impedance spectroscopy (EIS) and differential pulse voltammetry (DPV). The sequence selective DNA hybridization was determined voltammetrically in the case of hybridization between amino linked probe and its complementary (target), or, noncomplementary (NC), or target/mismatch (MM) mixtures (1 :1).
Original languageEnglish
Pages (from-to)272-279
Number of pages8
JournalElectroanalysis
Volume23
Issue number1
DOIs
Publication statusPublished - 2011
Event13th International Conference on Electroanalysis, ESEAC 2010 - Gijon, Spain
Duration: 1 Jan 2011 → …

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