Sonochemical synthesis of versatile hydrophilic magnetite nanoparticles (Articolo in rivista)

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Label
  • Sonochemical synthesis of versatile hydrophilic magnetite nanoparticles (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ultsonch.2011.12.007 (literal)
Alternative label
  • Marchegiani G., Imperatori P., Mari A., Pilloni L., Chiolerio A., Allia P., Tiberto P., Suber L. (2012)
    Sonochemical synthesis of versatile hydrophilic magnetite nanoparticles
    in Ultrasonics sonochemistry (Print); ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Marchegiani G., Imperatori P., Mari A., Pilloni L., Chiolerio A., Allia P., Tiberto P., Suber L. (literal)
Pagina inizio
  • 877 (literal)
Pagina fine
  • 882 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1016/j.ultsonch.2011.12.007 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ISM – CNR, Area della Ricerca di Roma 1, Via Salaria km 29.500, 00015 Monterotondo Scalo, Italy ENEA C.R. Casaccia, FIM MAT COMP, Via Anguillarese 301, 00123 Santa Maria di Galeria, Italy Politecnico di Torino DISMIC, Corso Duca degli Abruzzi 24, 10125 Torino, Italy INRIM, Electromagnetism, Strada delle Cacce 91, 10135 Torino, Italy (literal)
Titolo
  • Sonochemical synthesis of versatile hydrophilic magnetite nanoparticles (literal)
Abstract
  • Hydrophilic magnetite nanoparticles in the size range 30–10 nm are easily and rapidly prepared under ultrasonic irradiation of Fe(OH)2 in di- and tri-ethylene glycol/water solution with volume ratio varying between 7:3 and 3:7. Structural (XRD) and morphological (SEM) characterization reveal good crystalline and homogeneous particles whereas, when solvothermally prepared, the particles are inhomogeneous and aggregated. The sonochemically prepared particles are versatile, i.e. well suited to covalently bind molecules because of the free glycol hydroxylic groups on their surface or exchange the diethylene or triethylene glycol ligand. They can be easily transferred in hydrophobic solvents too. Room-temperature magnetic hysteresis properties measured by means of Vibrating Sample Magnetometer (VSM) display a nearly superparamagnetic character. The sonochemical preparation is easily scalable to meet industrial demand. (literal)
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