Three strategies for the preparation of core-shell manganese ferrite/poly(L-lactide) (PLLA) nanoparticles were presented: 1) catalyzed ring opening polymerization initiated by nanoparticles surface hydroxyl groups (grafting from method); 2) nanoparticles coating with pre-synthesized carboxylated PLLA oligomers (grafting to); 3) catalyzed “one step” PLLA polymerization process on activated nanoparticles. The core/shell nanoparticles were characterized by FT-IR, thermogravimetry and SEM analysis. Their superparamagnetic behaviour was qualitatively assessed.
New syntheses of manganese ferrite /PLLA core-shell nanoparticles for biomedical applications / G., C., Crisante, F., D'Ilario, L., Francolini, I., Martinelli, A., Piozzi, A.. - STAMPA. - (2011), pp. 637-640. (XX Convegno Italiano di Scienza e tecnologia delle Macromolecole Terni 4-8 Settembre).
New syntheses of manganese ferrite /PLLA core-shell nanoparticles for biomedical applications
CRISANTE, Fernanda;D'ILARIO, LUCIO;FRANCOLINI, IOLANDA;MARTINELLI, Andrea;PIOZZI, Antonella
2011
Abstract
Three strategies for the preparation of core-shell manganese ferrite/poly(L-lactide) (PLLA) nanoparticles were presented: 1) catalyzed ring opening polymerization initiated by nanoparticles surface hydroxyl groups (grafting from method); 2) nanoparticles coating with pre-synthesized carboxylated PLLA oligomers (grafting to); 3) catalyzed “one step” PLLA polymerization process on activated nanoparticles. The core/shell nanoparticles were characterized by FT-IR, thermogravimetry and SEM analysis. Their superparamagnetic behaviour was qualitatively assessed.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
