Thin films of a self-assembling peptide on TiO2 and Au studied by NEXAFS, XPS and IR spectroscopies (Articolo in rivista)

Type
Label
  • Thin films of a self-assembling peptide on TiO2 and Au studied by NEXAFS, XPS and IR spectroscopies (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Polzonetti G, Battocchio C, Iucci G, Dettin M, Gambaretto R, Di Bello C, Carravetta (2006)
    Thin films of a self-assembling peptide on TiO2 and Au studied by NEXAFS, XPS and IR spectroscopies
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Polzonetti G, Battocchio C, Iucci G, Dettin M, Gambaretto R, Di Bello C, Carravetta (literal)
Pagina inizio
  • 929 (literal)
Pagina fine
  • 934 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 26 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Physics and unità INFM, INSTM and CISDiC, University “Roma Tre”, Via della Vasca Navale, 84 – 00146 Rome, Italy Department of Chemical Process Engineering, University of Padova, via Marzolo, 9 - 35131 Padova, Italy IPCF-CNR via Moruzzi 1, 56124 Pisa, Italy (literal)
Titolo
  • Thin films of a self-assembling peptide on TiO2 and Au studied by NEXAFS, XPS and IR spectroscopies (literal)
Abstract
  • EAK16 is a 16 amino acid peptide consisting of an alternation of polar and non-polar pending groups and of positively and negative ly charged residues, that makes this material capable of self-assembling, producing an extended ordered structure. Thin films of EAK16 were prepared on TiO2, and Au surfaces and investigated by surface-sensitive techniques such as XPS (X-ray photoelectron spectroscopy), NEXAFS (near edge X-ray absorption fine structure) and IR spectroscopies. XPS analysis allowed to check the chemical structure of the samples and to determine the film thickness. IR experiments yielded evidence of the beta-sheet conformation of the peptide backbone. Polarization dependent NEXAFS measurements allowed estimating the angle between the axis of the peptide backbone and the sample surface. (literal)
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