期刊
CHEMICAL ENGINEERING JOURNAL
卷 317, 期 -, 页码 988-998出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2017.02.138
关键词
Cyclodextrin-based ionic liquid; Epitope and surface imprinting; Multiple interactions; Magnetic property; Cytochrome c
资金
- National Natural Science Foundation of China [51433008]
- Graduate Starting Seed Fund of Northwestern Polytechnical University [Z2016034]
Epitope molecularly imprinted polymers (EMIPs) were synthesized using a novel cyclodextrin-based ionic liquid as functional monomer for specific recognition of cytochrome c (Cyt c) in aqueous solution via the combination of epitope and surface imprinting approach. Herein, the surface-exposed C terminus of Cyt c (residues 96-104, AYLKKATNE) was selected as the template. Results reveal that the charged monomer cyclodextrins (CDs), namely mono-6A-deoxy-6-(1-vinylimidazolium)-beta-cyclodextrin tosylate, could confer EMIPs with superior adsorption (67.6 mg g(-1)) and excellent recognition property (4.54) toward Cyt c due to its multiple binding sites with template such as hydrogen bonding, pi-pi effect, electrostatic, hydrophobic as well as steric effects. Moreover, the magnetic property of EMIPs has endowed the whole separation process with great convenience and efficiency, which demonstrated their potential application for large-scale separation and recognition. (C) 2017 Elsevier B.V. All rights reserved.
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