Water-soluble, electroactive, and photoluminescent quaterthiophene-dinucleotide conjugates (Articolo in rivista)

Type
Label
  • Water-soluble, electroactive, and photoluminescent quaterthiophene-dinucleotide conjugates (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/chem.200700950 (literal)
Alternative label
  • Alesi, S;    Brancolini, G;    Melucci, M;    Capobianco, ML;    Venturini, A;    Camaioni, N;    Barbarella, G (2008)
    Water-soluble, electroactive, and photoluminescent quaterthiophene-dinucleotide conjugates
    in Chemistry - A European Journal; Wiley-VCH Verlag, GmbH., Weinheim (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alesi, S;    Brancolini, G;    Melucci, M;    Capobianco, ML;    Venturini, A;    Camaioni, N;    Barbarella, G (literal)
Pagina inizio
  • 513 (literal)
Pagina fine
  • 521 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto CNR-ISOF (literal)
Titolo
  • Water-soluble, electroactive, and photoluminescent quaterthiophene-dinucleotide conjugates (literal)
Abstract
  • Quaterthiophene-dinucleotide conjugates 5'TA3'-t4-3'AT5', 5'AA3'-t4-3'AA5', and 5'TT3'-t4-3'TT5' (TA: thymidine-adenosine, AA: adenosine-adenosine, TT: thymidine-thymidine) were synthesized and analyzed by a combination of spectroscopy and microscopy, electrical characterization, and theoretical calculations. Circular dichroism (CD) experiments demonstrated a transfer of chirality from the dinucleotides to quaterthiophene at high ionic strength and in cast films. The films were photoluminescent and electroactive. CDa nd photoluminescence spectra and current density/voltage plots (measured under dynamic vacuum) displayed significant variation on changing the dinucleotide scaffold. Molecular mechanics and molecular dynamics calculations indicated that the conformation and packing modes of the conjugates are the result of a balance between intra- and intermolecular nucleobase-thiophene stacking interactions and intramolecular hydrogen bonding between the nucleobases. (literal)
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