Preparation and Magnetic Performance of Magnetic Nanoparticles—precursor of Sulfonamide Core-shell Magnetic Molecularly Imprinted Polymer Microspheres

Fe3O4 magnetic nanoparticles developed in recent years have been widely used in the collection or separation of bioactive matter,targeted drug delivery,and disease’s diagnoses or therapy.In this study,Fe3O4 magnetic nanoparticles ware prepared by liquid-state Co-precipitation method and modified by polyethylene glycol(PEG).The crystal structure was researched through computer simulation and the infrared spectra of the samples provided a basis analysis.It was looking forward to using the nanoparticles to molecularly imprinted polymer for quick determination of pesticide residues.