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Impedance analysis of DNA and DNA-drug interactions on thin mercury film electrodes
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SYSNO ASEP 0126753 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Impedance analysis of DNA and DNA-drug interactions on thin mercury film electrodes Author(s) Hasoň, Stanislav (BFU-R) RID, ORCID
Dvořák, Jakub (BFU-R)
Jelen, František (BFU-R) RID
Vetterl, Vladimír (BFU-R)Source Title Critical Reviews in Analytical Chemistry - ISSN 1040-8347
Roč. 32, č. 2 (2002), s. 167-179Number of pages 13 s. Language eng - English Country US - United States Keywords electrochemical impedance spectroscopy ; intercalators ; DNA at electrode surface Subject RIV BO - Biophysics R&D Projects IAA4004901 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) IAA4004002 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) IBS5004107 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z5004920 - BFU-R Annotation In this review we briefly summarize the results of impedance measurements (dependence of the differential capacitance C and/or impedance Z of the electrode double layer on potential E, C-E curves) or on frequency (Electrochemical Impedance Spectroscopy-EIS) of nucleic acids at mercury film electrode (MFE). Mercury film was plated either on a glassy carbon electrode (GCE) or pyrolytic graphite electrode (PGE). The dependence of the pseudocapacitance redox peak of echinomycin on concentration and on the ac voltage frequency was measured in bulk solution. Interaction of single- and double-stranded DNA with bis-intercalator echinomycin at nucleic acid-modified surface was studied using EIS with adsorptive transfer method. Workplace Institute of Biophysics Contact Jana Poláková, polakova@ibp.cz, Tel.: 541 517 244 Year of Publishing 2003
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