Effects due to Inter-adsorbate Interactions on Dipeptide/TiO2 Surface Binding Mechanism Investigated by Molecular Dynamics Simulations (Articolo in rivista)

Type
Label
  • Effects due to Inter-adsorbate Interactions on Dipeptide/TiO2 Surface Binding Mechanism Investigated by Molecular Dynamics Simulations (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Monti S. , Carravetta V., W. Zhang and J. Yang (2007)
    Effects due to Inter-adsorbate Interactions on Dipeptide/TiO2 Surface Binding Mechanism Investigated by Molecular Dynamics Simulations
    in Journal of physical chemistry. C
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Monti S. , Carravetta V., W. Zhang and J. Yang (literal)
Pagina inizio
  • 7765 (literal)
Pagina fine
  • 7771 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 111 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) IPCF-CNR, Area della Ricerca, via G. Moruzzi 1, I-56124 Pisa, Italy 2) Laboratory of Theoretical Chemistry, Royal Institute of Technology, SE-106 91 Stockholm, Sweden 3) Hefei National Laboratory for Physical Sciences at the Microscale, USTC, Hefei, Anhui 230026, P. R. China (literal)
Titolo
  • Effects due to Inter-adsorbate Interactions on Dipeptide/TiO2 Surface Binding Mechanism Investigated by Molecular Dynamics Simulations (literal)
Abstract
  • Classical molecular dynamics simulations, supported by ab initio periodic calculations, were carried out to investigate peptide adsorption mechanisms onto a rutile (1 1 0) TiO2 layer in the presence of water molecules. Different binding modes, comprising multiple coordination to the titanium atoms, of several conformers, simultaneously adsorbed upon the surface, were analyzed in detail. In agreement with experimental and theoretical findings, peptide carbonyl oxygens and nitrogens were found to be possible coordination atoms. Local effects were responsible of adsorption and desorption events and intermolecular interactions induced conformational changes and reorientations of the molecules with respect to the surface, that produced both strongly and weakly adsorbed species. (literal)
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