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  • The dependence of the impedance of the electrode double layer of mercury electrode on frequency around the potentials of the tensammetric peaks of single-stranded and double-helical polynucleotides and DNA was studied. From the frequency dependence of the impedance of the electrode double layer represented in a complex impedance plot (the imaginary component Z'' is plotted against the real component Z', Cole-Cole or Nyquist plot) the electric equivalent circuit of the electrode covered with adsorbed DNA layer was determined. It was concluded the desorption of denatured ssDNA is accompanied by higher dielectric losses than the desorption of native dsDNA. This can be explained by the higher flexibility of ssDNA compared to the dsDNA. The capacitance peak of single stranded poly A observed at pH 8 around -1.3 V splits at low frequencies in two peaks.
  • The dependence of the impedance of the electrode double layer of mercury electrode on frequency around the potentials of the tensammetric peaks of single-stranded and double-helical polynucleotides and DNA was studied. From the frequency dependence of the impedance of the electrode double layer represented in a complex impedance plot (the imaginary component Z'' is plotted against the real component Z', Cole-Cole or Nyquist plot) the electric equivalent circuit of the electrode covered with adsorbed DNA layer was determined. It was concluded the desorption of denatured ssDNA is accompanied by higher dielectric losses than the desorption of native dsDNA. This can be explained by the higher flexibility of ssDNA compared to the dsDNA. The capacitance peak of single stranded poly A observed at pH 8 around -1.3 V splits at low frequencies in two peaks. (en)
  • The dependence of the impedance of the electrode double layer of mercury electrode on frequency around the potentials of the tensammetric peaks of single-stranded and double-helical polynucleotides and DNA was studied. From the frequency dependence of the impedance of the electrode double layer represented in a complex impedance plot (the imaginary component Z'' is plotted against the real component Z', Cole-Cole or Nyquist plot) the electric equivalent circuit of the electrode covered with adsorbed DNA layer was determined. It was concluded the desorption of denatured ssDNA is accompanied by higher dielectric losses than the desorption of native dsDNA. This can be explained by the higher flexibility of ssDNA compared to the dsDNA. The capacitance peak of single stranded poly A observed at pH 8 around -1.3 V splits at low frequencies in two peaks. (cs)
Title
  • Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides
  • Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides (en)
  • Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides (cs)
skos:prefLabel
  • Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides
  • Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides (en)
  • Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides (cs)
skos:notation
  • RIV/00216224:14310/01:00007524!RIV08-AV0-14310___
http://linked.open.../vavai/riv/strany
  • 29
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GV204/97/K084), P(IAA4004002)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 679096
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/01:00007524
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • electrochemical impedance spectroscopy; EIS; DNA adsorption; polyadenylic acid adsorption (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [085E4DB26213]
http://linked.open...v/mistoKonaniAkce
  • 30.5.-1.6.2001, Mozolov u Tábora
http://linked.open...i/riv/mistoVydani
  • Mozolov u Tábora
http://linked.open...i/riv/nazevZdroje
  • Book of Abstracts, XXIV.dny lékařské biofyziky
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Dvořák, Jakub
  • Hasoň, Stanislav
  • Strašák, Luděk
  • Vetterl, Vladimír
  • Jelen, František
  • Dražan, Viktor
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • XXIV.dny lékařské biofyziky
http://localhost/t...ganizacniJednotka
  • 14310
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