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Thermal Polymerization on the Surface of Iron Oxide Nanoparticles Mediated by Magnetic Hyperthermia: Implications for Multi-Shell Grafting and Environmental Applications

Abstract : A fast and straightforward strategy for thermo-polymerization of polymer shells, at room temperature, at magnetic nanoparticles (MNP) surface under alternating magnetic field (AMF) is presented. The polymerization is triggered by the local heat generated by the MNP when exposed to AMF to polymerize an organic shell around the MNP by thermo-activation. This synthetic approach provides a versatile strategy for magnetic nanoparticles surface polymerization without macroscopic temperature increase, allowing efficient pathways to magnetically induce single layer by layer polymer shells. Using molecularly imprinted polymer layer polymerized at room temperature, this method provides an unprecedented multifunctionnal nanoplatform adapted to pollutant targeting.
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Submitted on : Tuesday, January 16, 2018 - 2:20:36 PM
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Nébéwia Griffete, Jérôme Fresnais, Ana Espinosa, Dario Taverna, Claire Wilhelm, et al.. Thermal Polymerization on the Surface of Iron Oxide Nanoparticles Mediated by Magnetic Hyperthermia: Implications for Multi-Shell Grafting and Environmental Applications. ACS Applied Nano Materials, American Chemical Society, 2018, ⟨10.1021/acsanm.7b00063⟩. ⟨hal-01685470⟩

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