National Repository of Grey Literature 9 records found  Search took 0.00 seconds. 
Use of Monovalent Copper for Sensitive Detection of Methyl Derivatives of Xanthine
Navrátil, R. ; Motlova, D. ; Jelen, F. ; Trnková, L.
This work is concerned with the electroanalysis of xanthine (Xan) and its methylated derivatives (1-, 3-, 7-, and 9-mXan) on a pencil graphite electrode in the presence of copper ions. The main idea of using copper consists in the in situ formation of the complex Cu(I)-mXan on the electrode surface and improvement of oxidative signals of the corresponding mXan during the detection. Linear sweep voltammetry (LSV) in connection with adsorption stripping techniques was used for the determination of mXan. To enhance the oxidation signals the elimination voltammetric procedure (EVP) was applied.
Impedance measurements of nucleic acids and self-assembled layers of their components
Vetterl, Vladimír ; Jelen, František ; Dražan, Viktor ; Strašák, Luděk ; Hasoň, Stanislav ; Dvořák, Jakub
The kinetics of structural changes of cytidine adlayers on the mercury electrodes were investigated by means of current and capacitance transients using the potential step technique.
Electrochemical impedance spectroscopy of single-stranded and double-helical polynucleotides
Vetterl, Vladimír ; Jelen, František ; Dražan, Viktor ; Strašák, L. ; Hasoň, S. ; Dvořák, J.
The use of electrochemical impedance spectroscopy in the analysis of single-stranded and double-helical polynucleotides

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1 Jelen, František
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