Abstract
As a substrate for immobilizing different functions, molecule-imprinted magnetic submicroparticles with iron oxide cores and silica shells were used. EDTA-coated silica nanomaterials were used to attach ethylenediaminetetraacetate (EDTA) to magnetite; then these were employed to immobilize thermosensitive MI magnetite (Fe3O4, SiO2, EDTA-CS) nanomaterials to the surface, which was then chemically grafted with EDTA, and subsequently coupled with chitosan. Analyte molecules, which are cross-linkable as an analyte (self-assembly process), act to imprint on manmade polymeric materials (Fe3O4/SiO2/thermosensitive/EDTA nanomaterials). By cross-linking EDTA with a free -CH2OH group of CS and an NH2 group of magnetite, the CS binds to the magnetite surface covalently. It was Wulff and his coworkers who developed this perspective (Fig. 22.1). In addition to the XRD, SEM, EDX, FTIR, VSM, and DLS, molecularly imprinted magnetite (Fe3O4/SiO2/thermosensitive /EDTA-CS) nanomaterials have been characterized. Energy storage was achieved using the MI magnetite nanomaterials (Fe3O4/SiO2/thermosensitive/EDTA-CS).
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