Polarizability of G4-DNA observed by electrostatic force microscopy measurements (Articolo in rivista)

Type
Label
  • Polarizability of G4-DNA observed by electrostatic force microscopy measurements (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/nl070013b (literal)
Alternative label
  • Cohen, H; Sapir, T; Borovok, N; Molotsky, T; Di Felice, R; Kotlyar, AB; Porath, D (2007)
    Polarizability of G4-DNA observed by electrostatic force microscopy measurements
    in Nano letters (Print); ACS, American chemical society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cohen, H; Sapir, T; Borovok, N; Molotsky, T; Di Felice, R; Kotlyar, AB; Porath, D (literal)
Pagina inizio
  • 981 (literal)
Pagina fine
  • 986 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 7 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Hebrew Univ Jerusalem, Dept Phys Chem, IL-91904 Jerusalem, Israel; Hebrew Univ Jerusalem, Ctr Nanosci & Nanotechnol, IL-91904 Jerusalem, Israel; Tel Aviv Univ, George S Wise Fac Life Sci, Dept Biochem, IL-69978 Ramat Gan, Israel; Tel Aviv Univ, Nanotechnol Ctr, IL-69978 Ramat Gan, Israel; CNR, INFM, Natl Ctr Nanostruct & Biosyst Surfaces S3, I-41100 Modena, Italy (literal)
Titolo
  • Polarizability of G4-DNA observed by electrostatic force microscopy measurements (literal)
Abstract
  • G4-DNA, a quadruple helical motif of stacked guanine tetrads, is stiffer and more resistant to surface forces than double-stranded DNA (dsDNA), yet it enables self-assembly. Therefore, it is more likely to enable charge transport upon deposition on hard supports. We report clear evidence of polarizability of long G4-DNA molecules measured by electrostatic force microscopy, while coadsorbed dsDNA molecules on mica are electrically silent. This is another sign that G4-DNA is potentially better than dsDNA as a conducting molecular wire. (literal)
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