作者: Cinzia Scialabba , Roberto Puleio , Davide Peddis , Gaspare Varvaro , Pietro Calandra
DOI: 10.1007/S12274-017-1540-4
关键词: Magnetic resonance imaging 、 Nanoparticle 、 Coating 、 Nanotechnology 、 Diagnostic tools 、 Magnetic hyperthermia 、 Folic acid 、 Magnetic nanoparticles 、 Materials science 、 Amphiphile
摘要: The development of more sensitive diagnostic tools allowing an early-stage and highly efficient medical imaging tumors remains a challenge. Magnetic nanoparticles seem to be the contrast agents with highest potential, if properly constructed. Therefore, in this study, hybrid magnetic nanoarchitectures were developed using new amphiphilic inulin-based graft copolymer (INU-LAPEG-FA) as coating material for 10-nm spinel iron oxide (magnetite, Fe3O4) superparamagnetic (SPION). Folic acid (FA) covalently linked order exposed onto nanoparticle surface was chosen targeting agent because folate receptors are upregulated many cancer types. Physicochemical characterization vitro biocompatibility study then performed on prepared nanoparticles. improved properties FA-SPIONs further evaluated nude mice 7-Tesla resonance (MRI). exhibited ability act conventional MRI, providing potential nanoplatform not only tumor diagnosis but also treatment, through delivery anticancer drug or locoregional hyperthermia.