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Reference type: Journal
Authors: Urraca JL, Cortés-Llanos B, Aroca C, de la Presa P, Pérez L, Moreno-Bondi MC
Article Title: Magnetic Field-Induced Polymerization of Molecularly Imprinted Polymers.
Publication date: 2018
Journal: The Journal of Physical Chemistry C
Volume: 122
Issue: (18)
Page numbers: 10189-10196.
DOI: 10.1021/acs.jpcc.7b12804

Abstract: In this work, we developed a novel approach for the preparation of molecularly imprinted polymer (MIP) coatings directly onto magnetic multicore nanoparticles (MMCs) using alternating magnetic fields to trigger the polymerization reaction. MIPs were synthesized with rhodamine 123 (R123) as model template molecule, methacrylic acid as functional monomer, and trimethylolpropane trimethacrylate as cross-linker. The amount of iron oxide nanoparticles and the composition of the polymerization mixture were optimized to enable the thermal polymerization of a thin MIP shell on each MMC using electromagnetic heating without altering the properties of the recognition layer. The thickness of the polymerized MIP layer grafted onto the MMCs was fine-tuned by adjusting the dose of electromagnetic field (101.4 kHz, total power dissipation = 105 W). The resulting magnetic multicore MIP nanoparticles (MMC-MIPs) were characterized by Fourier transform infrared and X-ray diffraction spectroscopy, transmission electron microscopy, and dynamic light scattering
Template and target information: rhodamine 123, R123

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