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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F08%3A00312687%21RIV09-AV0-61389013
rdf:type
n11:Vysledek skos:Concept
dcterms:description
We used STM to study the conductivity of 32 nucleotide long DNA molecules chemically attached to a gold surface. Two oligonucleotides containing all four base types namely G, A, C, T, one single stranded and one double helical, all showed conductance data significantly higher than DNA containing only T and A that were either single stranded d(T32) or double helical d(T32).d(A32) in confirmation. Within each sequence group, the conductivity of the double helical form was always higher than that of the single strand. We discuss the impact of structure, particular base stacking and affinity to the phase transition. We used STM to study the conductivity of 32 nucleotide long DNA molecules chemically attached to a gold surface. Two oligonucleotides containing all four base types namely G, A, C, T, one single stranded and one double helical, all showed conductance data significantly higher than DNA containing only T and A that were either single stranded d(T32) or double helical d(T32).d(A32) in confirmation. Within each sequence group, the conductivity of the double helical form was always higher than that of the single strand. We discuss the impact of structure, particular base stacking and affinity to the phase transition. Skenovacím tunelovacím mikroskopem byla získaná podrobná spektroskopiská studie vodivosti DNA. Bylo zjištěno, že nejvyšší elektrickou vodivost z měřených vzorků má dvouřetězec obsahující směs bazí.
dcterms:title
Scanning tunneling spectroscopy study of DNA conductivity Skenovacím tunelovacím mikroskopem získaná spektroskopiská studie vodivosti DNA Scanning tunneling spectroscopy study of DNA conductivity
skos:prefLabel
Scanning tunneling spectroscopy study of DNA conductivity Scanning tunneling spectroscopy study of DNA conductivity Skenovacím tunelovacím mikroskopem získaná spektroskopiská studie vodivosti DNA
skos:notation
RIV/61389013:_____/08:00312687!RIV09-AV0-61389013
n3:aktivita
n14:P n14:Z
n3:aktivity
P(KAN200100801), P(KAN400720701), P(KAN401770651), P(OC 137), Z(AV0Z10100520), Z(AV0Z40500505), Z(AV0Z40550506), Z(MSM0021620834)
n3:cisloPeriodika
3
n3:dodaniDat
n6:2009
n3:domaciTvurceVysledku
Todorciuc, Tatiana n16:5801737
n3:druhVysledku
n10:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
393842
n3:idVysledku
RIV/61389013:_____/08:00312687
n3:jazykVysledku
n12:eng
n3:klicovaSlova
molecular electronics; DNA; scanning tunneling microscopy; conductivity; charge carrier transport
n3:klicoveSlovo
n7:scanning%20tunneling%20microscopy n7:molecular%20electronics n7:conductivity n7:charge%20carrier%20transport n7:DNA
n3:kodStatuVydavatele
PL - Polská republika
n3:kontrolniKodProRIV
[AA01753AA891]
n3:nazevZdroje
Central European Journal of Physics
n3:obor
n17:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
9
n3:projekt
n9:KAN401770651 n9:KAN400720701 n9:OC%20137 n9:KAN200100801
n3:rokUplatneniVysledku
n6:2008
n3:svazekPeriodika
6
n3:tvurceVysledku
Bunček, M. Kratochvílová, Irena Schneider, Bohdan Todorciuc, Tatiana Navrátil, J. Nešpůrek, Stanislav Pavluch, J. Král, Karel Weiter, M.
n3:wos
000257770700005
n3:zamer
n4:AV0Z10100520 n4:AV0Z40500505 n4:AV0Z40550506 n4:MSM0021620834
s:issn
1895-1082
s:numberOfPages
5