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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F07%3A00022812%21RIV10-MSM-14310___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
DNA damage by CrV and/or CrIV intermediates of CrVI electrochemical reduction was detected using a supercoiled DNA-modified mercury electrode. A signal sensitive to formation of DNA strand breaks, AC voltammetric DNA peak 3, increased due to incubation of the DNA-modified electrode in micromolar solutions of CrVI at potentials sufficiently negative for CrVI reduction. Damage to DNA in solutions containing CrVI and a chemical reductant (ascorbic acid, AA) was observed only at relatively high chromium concentrations (hundreds of M). To eliminate interferences of excess CrVI in measurements of guanine electrochemical signals, a magnetoseparation double surface electrochemical technique was introduced. Using this approach, DNA damage in solution was detected for 50-250 M CrVI upon addition of 1 mM AA. DNA damage by CrV and/or CrIV intermediates of CrVI electrochemical reduction was detected using a supercoiled DNA-modified mercury electrode. A signal sensitive to formation of DNA strand breaks, AC voltammetric DNA peak 3, increased due to incubation of the DNA-modified electrode in micromolar solutions of CrVI at potentials sufficiently negative for CrVI reduction. Damage to DNA in solutions containing CrVI and a chemical reductant (ascorbic acid, AA) was observed only at relatively high chromium concentrations (hundreds of M). To eliminate interferences of excess CrVI in measurements of guanine electrochemical signals, a magnetoseparation double surface electrochemical technique was introduced. Using this approach, DNA damage in solution was detected for 50-250 M CrVI upon addition of 1 mM AA.
dcterms:title
Electrochemical Sensing of Chromium-Induced DNA Damage: DNA Strand Breakage by Intermediates of Chromium(VI) Electrochemical Reduction. Electrochemical Sensing of Chromium-Induced DNA Damage: DNA Strand Breakage by Intermediates of Chromium(VI) Electrochemical Reduction.
skos:prefLabel
Electrochemical Sensing of Chromium-Induced DNA Damage: DNA Strand Breakage by Intermediates of Chromium(VI) Electrochemical Reduction. Electrochemical Sensing of Chromium-Induced DNA Damage: DNA Strand Breakage by Intermediates of Chromium(VI) Electrochemical Reduction.
skos:notation
RIV/00216224:14310/07:00022812!RIV10-MSM-14310___
n3:aktivita
n17:P n17:Z
n3:aktivity
P(GA203/07/1195), P(LC06010), P(LC06035), Z(AV0Z50040507), Z(AV0Z50040702)
n3:cisloPeriodika
x
n3:dodaniDat
n10:2010
n3:domaciTvurceVysledku
n19:2807602
n3:druhVysledku
n12:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
419712
n3:idVysledku
RIV/00216224:14310/07:00022812
n3:jazykVysledku
n8:eng
n3:klicovaSlova
Electrochemical Sensing of Chromium-Induced DNA Damage: DNA Strand Breakage; Intermediates of Chromium(VI); Electrochemical Reduction.
n3:klicoveSlovo
n9:Intermediates%20of%20Chromium%28VI%29 n9:Electrochemical%20Reduction. n9:Electrochemical%20Sensing%20of%20Chromium-Induced%20DNA%20Damage%3A%20DNA%20Strand%20Breakage
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[B9D1BE2845AB]
n3:nazevZdroje
ELECTROANALYSIS
n3:obor
n11:BO
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n14:GA203%2F07%2F1195 n14:LC06010 n14:LC06035
n3:rokUplatneniVysledku
n10:2007
n3:svazekPeriodika
19
n3:tvurceVysledku
Cahová, Kateřina Fojta, Miroslav Mozga, Tomáš Pivoňková, Hana Vacek, Jan
n3:wos
000250129100013
n3:zamer
n4:AV0Z50040507 n4:AV0Z50040702
s:issn
1521-4109
s:numberOfPages
10
n15:organizacniJednotka
14310