期刊
JOURNAL OF SEPARATION SCIENCE
卷 40, 期 10, 页码 2286-2291出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201700146
关键词
deep eutectic solvents; molecularly imprinted polymers; molecular recognition; polyphenols
资金
- Hebei Province Science and Technology Program - Hebei Province Technology Department [15272804]
- Hebei Province Universities Science and Technology Program - Hebei Province Education Department [QN2016207]
- Baoding Science and Technology Bureau Program [16ZN009]
- High-level Talents Introduction Program of Hebei University
- National Research Foundation of Korea (NRF) - Korea government [NRF-2014R1A2A2A05002046]
A molecularly imprinted polymer based on a ternary deep eutectic solvent comprised of choline chloride/caffeic acid/ethylene glycol was prepared. The caffeic acid in the ternary deep eutectic solvent was used as both a monomer and template. The molecularly imprinted polymer based on the ternary deep eutectic solvent was characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis, field-emission scanning electron microscopy, Brunauer-Emmett-Teller surface area analysis, atomic force microscopy, and elemental analysis. A series of molecularly imprinted polymers based on choline chloride/caffeic acid/ethylene glycol with different molar ratios was prepared and applied to the molecular recognition of polyphenols. A comparison of the recognition ability of molecularly imprinted polymers to polyphenols revealed that the choline chloride/caffeic acid/ethylene glycol (1: 0.4: 1, molar ratio) molecularly imprinted polymer had the best molecular recognition effect with 132 mu g/g of protocatechuic acid, 104 mu g/g of catechins, 80 mu g/g of epicatechin, and 123 mu g/g of caffeic acid in 6 h, as well as good molecular recognition ability for polyphenols from a Radix Asteris sample. These results show that the ternary deep eutectic solvent based molecularly imprinted polymer is a potential medium that can be applied to drug purification, drug delivery, and drug analysis.
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