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@article{1348215,
author = {Třísková, Iveta and Gurecký, Libor and Trnková, Libuše},
article_location = {Wien},
article_number = {5},
doi = {http://dx.doi.org/10.1007/s00706-016-1689-7},
keywords = {DNA heptamers; hanging mercury drop electrode; linear sweep voltammetry; elimination voltammetric procedure; adsorption isotherm; adsorption coefficient},
language = {eng},
issn = {0026-9247},
journal = {Monatshefte für Chemie - Chemical Monthly},
title = {Switching central trinucleotide sequences of DNA hepatmer regulates adsorption on mercury electrode},
url = {http://dx.doi.org/10.1007/s00706-016-1689-7},
volume = {147},
year = {2016}
}
TY - JOUR
ID - 1348215
AU - Třísková, Iveta - Gurecký, Libor - Trnková, Libuše
PY - 2016
TI - Switching central trinucleotide sequences of DNA hepatmer regulates adsorption on mercury electrode
JF - Monatshefte für Chemie - Chemical Monthly
VL - 147
IS - 5
SP - 857-864
EP - 857-864
PB - Springer-Verlag
SN - 00269247
KW - DNA heptamers
KW - hanging mercury drop electrode
KW - linear sweep voltammetry
KW - elimination voltammetric procedure
KW - adsorption isotherm
KW - adsorption coefficient
UR - http://dx.doi.org/10.1007/s00706-016-1689-7
L2 - http://dx.doi.org/10.1007/s00706-016-1689-7
N2 - The focus of the presented study is electrochemical investigation of DNA heptamers d(GCNNNGC) with a different center trinucleotide sequence (NNN = GAA, AAA, CCC and GGG, where A, C and G is adenine, cytosine and guanine, respectively). In phosphate-acetate buffer at pH 5.8 all heptamers were adsorbed on a hanging mercury electrode and further reduced and oxidized. The voltammetric reduction peaks of A and C moiety and oxidation peaks of G moiety at different concentrations (0.25 to 10 µmol•L-1) were analyzed. It was found that the changes in the central trinucleotide sequence of heptamers result in altered adsorption ability at a charged phase interface. An electron transfer process in an adsorptive state was evidenced by the elimination voltammetric procedure (EVP). For the evaluation of adsorption efficiency of heptamers the Langmuir adsorption model was applied and the adsorption coefficient b was calculated.
ER -
TŘÍSKOVÁ, Iveta, Libor GURECKÝ a Libuše TRNKOVÁ. Switching central trinucleotide sequences of DNA hepatmer regulates adsorption on mercury electrode. \textit{Monatshefte für Chemie - Chemical Monthly}. Wien: Springer-Verlag, roč.~147, č.~5, s.~857-864. ISSN~0026-9247. doi:10.1007/s00706-016-1689-7. 2016.
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