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Voltammetric Detection of a Specific DNA Sequence of Avian Influenza Virus H5N1 Using HS-ssDNA Probe Deposited onto Gold Electrode

Malecka, Kamila and Grabowska, Iwona and Radecki, Jerzy and Stachyra, Anna and Góra-Sochacka, Anna and Sirko, Agnieszka and Radecka, Hanna (2012) Voltammetric Detection of a Specific DNA Sequence of Avian Influenza Virus H5N1 Using HS-ssDNA Probe Deposited onto Gold Electrode. Electroanalysis, 24 (2). pp. 439-446. ISSN 10400397

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Official URL: http://dx.doi.org/10.1002/elan.201100566

Abstract

The working principle of genosensor relay on the mechanism of ion–channel mimetic sensor. The analytical signals generated upon hybridization processes were recorded by redox active marker [Fe(CN)6]3-/4- present in the sample solution using voltammetric techniques. The developed genosensor was suitable for determination of 20-mer complementary oligonucleotide sequence, and also of PCR products containing the complementary 20-mer sequence in various positions, with detection limits in 10 pM range. Non-complementary 20-mer oligonucleotide sequence as well as PCR product without complementary region generated very weak response. The good discrimination of the position of complementary part in the PCR products was observed

Item Type:Article
Subjects:Q Science > QD Chemistry
T Technology > TP Chemical technology
Divisions:Department of Protein Biosynthesis
ID Code:371
Deposited By: dr Anna Gora-Sochacka
Deposited On:01 Jan 2013 19:42
Last Modified:01 Jan 2013 19:42

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