Journal
CHEMICAL ENGINEERING JOURNAL
Volume 337, Issue -, Pages 722-732Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2017.12.159
Keywords
Rattle-type structure; Ionic liquid; Molecular imprinted polymer; Protein; Multiple stimuli-responsive
Categories
Funding
- National Natural Science Foundation of China [21366019, 20806037, 20876131]
- Jiangxi Province academic and technical leaders of major academic disciplines [20162BCB22010]
- Key Laboratory of Coa1 Gasification and Energy Chemical Engineering of Ministry of Education [2016KY11-049]
- Jiangxi Province Young Scientists (Jinggang Star) Cultivation Plan [20112BCB23002]
- Jiangxi Province Higher School Science and Technology Landing Plan Projects [KJLD13012]
- Special Funds for Graduate Student Innovation in Jiangxi Province [YC2014-S013]
- Jiangxi Province Undergraduate Innovation and Entrepreneurship Training Program [201310403040]
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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).
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