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Abstract For specific recognition of protein, novel rattle-type magnetic hollow molecular imprinted poly (ionic liquids) nanospheres have been prepared, and bovine serum albumin was selected as the model protein. The… Click to show full abstract
Abstract For specific recognition of protein, novel rattle-type magnetic hollow molecular imprinted poly (ionic liquids) nanospheres have been prepared, and bovine serum albumin was selected as the model protein. The rattle-type magnetic Fe3O4@void@PILMIP nanospheres were synthesized by the hard templating method, and characterized by SEM, TEM, FTIR, TGA, and VSM. The as-prepared Fe3O4@void@PILMIP nanospheres could be responsive to external magnetic field, environmental temperature and pH. The results of adsorption isotherm and kinetics showed that the Fe3O4@void@PILMIP nanospheres possessed good recognition and high adsorption capacity of bovine serum albumin. The selective and competitive recognition experiments indicated that the Fe3O4@void@PILMIP nanospheres could selectively recognize bovine serum albumin compared with other proteins (bovine hemoglobin, ovalbumin and lysozyme).
Journal Title: Chemical Engineering Journal
Year Published: 2018
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