Search results for "Nanoparticles cytotoxicity"

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Elaboration of functionalized nanoparticles : applications as MRI contrast agent

2010

Spinel structured iron oxide nanoparticles open the way of biomedical applications of nanomaterials.Superparamagnetic properties of ten nanometer size crystallites permit to use them in diagnosis such as Magnetic Resonance Imaging (MRI).The aim of this work was to synthesize colloidal suspension of magnetite or maghemite (called USPIO for Ultrasmall SuperParamagnetic Iron Oxide) stable in physiological conditions (pH = 7.4 and [NaCl] = 0.15M).By classical co-precipitation method, UPSIO were synthesized with a mean crystallite size of 8 nm, with a specific surface area of 110 m².g-1 and an aggregate size of 20 nm. To stabilize these nano-objects, two ways were investigated. Electrostatic age…

NanohybridsFe3O4Acide citrique[ PHYS.COND.CM-GEN ] Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other]RelaxivitéUSPIOCytotoxicité des nanoparticulesCitric acidDMSANanoparticles cytotoxicityNanohybrides[CHIM.OTHE] Chemical Sciences/Other[PHYS.COND.CM-GEN] Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other][PHYS.COND.CM-GEN]Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other][ CHIM.OTHE ] Chemical Sciences/OtherMPEG-SiEau supercritiqueRelaxivity[CHIM.OTHE]Chemical Sciences/OtherMRISupercritical waterIRM

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PEPhysical Sciences and Engineering
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