Magnetism and spin dynamics of novel encapsulated iron oxide superparamagnetic nanoparticles (Articolo in rivista)

Type
Label
  • Magnetism and spin dynamics of novel encapsulated iron oxide superparamagnetic nanoparticles (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c3dt32805h (literal)
Alternative label
  • Arosio, P; Baldi, G; Chiellini, F; Corti, M; Dessy, A; Galinetto, P; Gazzarri, M; Grandi, MS; Innocenti, C; Lascialfari, A; Lorenzi, G; Orsini, F; Piras, AM; Ravagli, C; Sangregorio, C (2013)
    Magnetism and spin dynamics of novel encapsulated iron oxide superparamagnetic nanoparticles
    in Dalton transactions (2003. Online); ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE,, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Arosio, P; Baldi, G; Chiellini, F; Corti, M; Dessy, A; Galinetto, P; Gazzarri, M; Grandi, MS; Innocenti, C; Lascialfari, A; Lorenzi, G; Orsini, F; Piras, AM; Ravagli, C; Sangregorio, C (literal)
Pagina inizio
  • 10282 (literal)
Pagina fine
  • 10291 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 42 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 28 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 ] Univ Milan, Dept Fis, I-20133 Milan, Italy 2 ] Consorzio INSTM, Milano Unit, Milan, Italy 3 ] CERICOL, I-50053 Florence, Italy 4 ] Univ Pisa, INSTM, Dipartimento Chim Chim Ind, Lab Mat Polimerici Bioattivi Appl Biomed Ambienta, I-56100 Pisa, Italy 5 ] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy 6 ] Univ Florence, Dipartimento Chim, I-50019 Florence, Italy 7 ] INSTM, Res Unit Florence, Florence, Italy 8 ] CNR ISTM, I-20123 Milan, Italy (literal)
Titolo
  • Magnetism and spin dynamics of novel encapsulated iron oxide superparamagnetic nanoparticles (literal)
Abstract
  • Encapsulated Fe3O4 nanoparticles of average diameters d = 12 nm are obtained by coprecipitation, in the presence of 2-methoxyethanol hemiester of poly(maleic anhydride-alt-butyl vinyl ether) 5% grafted with poly(ethylene glycol) (VP-MAG nanoparticles). A complete characterization of nude and encapsulated nanoparticles through structural techniques (namely XRD, TEM, SEM), Raman spectroscopy and magnetic measurements has been performed. These nanoparticles compared with commercial compounds (ENDOREM (R)) present superparamagnetic behavior and nuclear relaxivities that make them promising as magnetic resonance imaging (MRI) contrast agents (CAs). We found that our nanostructures exhibit r(2) relaxivity higher than those of commercial CAs over the whole frequency range. The MRI efficiency of our samples was related to their microstructural and magnetic properties. (literal)
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