Proteins conjugation with ZnO sol-gel nanopowders (Articolo in rivista)

Type
Label
  • Proteins conjugation with ZnO sol-gel nanopowders (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s10971-011-2504-x (literal)
Alternative label
  • Armelao L.; Bottaro G.; Bovo L.; Maccato C.; Tondello E.; Anselmi F.; Bersani S.; Caliceti P. (2011)
    Proteins conjugation with ZnO sol-gel nanopowders
    in Journal of sol-gel science and technology; Springer, Berlin (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Armelao L.; Bottaro G.; Bovo L.; Maccato C.; Tondello E.; Anselmi F.; Bersani S.; Caliceti P. (literal)
Pagina inizio
  • 352 (literal)
Pagina fine
  • 358 (literal)
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  • http://link.springer.com/article/10.1007%2Fs10971-011-2504-x (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 60 (literal)
Rivista
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  • 3 (literal)
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  • pubblicazione scientifica (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-3,5 : ISTM-CNR and INSTM, Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35131 Padova, Italy / 2 : IMIP-CNR, Department of Chemical Sciences, University of Bari, Via E. Orabona 4, 70126 Bari, Italy / 3-5 : INSTM, Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35131 Padova, Italy / 6-8 : Department of Pharmaceutical Sciences, University of Padova, Via F. Marzolo 5, 35131 Padova, Italy (literal)
Titolo
  • Proteins conjugation with ZnO sol-gel nanopowders (literal)
Abstract
  • The conjugation between probe biomolecules and inorganic nanoparticles has been studied. Three different and biologically relevant proteins, bovine serum albumin (BSA), lysozyme (LSZ) and Ribonuclease A (RNAseA), have been selected as model systems because of their difference in size and isoelectric point. Zinc oxide nanoparticles, synthesized via sol-gel, have been thoroughly characterized by X-ray Photoelectron Spectroscopy, Scanning Electron Microscopy and X-ray Diffraction, and subsequently used as platforms for immobilization of the biomolecules. The interaction of the three proteins with the ZnO surface was performed in phosphate buffer solutions at pH 7.2 in order to mimic physiological fluids and was investigated through fluorescence experiments. The obtained results indicate that conjugation of BSA, LZS and RNAseA on the oxide nanoparticles was mostly dictated by the overall charge of the different proteins. Electrostatic bonds dominate the formation of the protein/ZnO conjugates, whereas the size of the proteins seems to play a negligible role under the adopted experimental conditions. (literal)
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