Highly selective removal of kitasamycin from the environment by molecularly imprinted polymers: Adsorption performance and mechanism

被引：5

作者：

Chen, Jingfan ^{[1
]}

Wang, Lifang ^{[1
]}

Liu, Yongli ^{[1
]}

Chen, Letian ^{[1
]}

Li, Xian ^{[1
]}

Wang, Xuefeng ^{[1
]}

Zhu, Guifen ^{[1
]}

机构：

[1] Henan Normal Univ, Key Lab Yellow River & Huai River Water Environm, Henan Key Lab Environm Pollut Control, Sch Environm,Minist Educ, Xinxiang 453007, Henan, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2021年 / 625卷

基金：

中国国家自然科学基金;

关键词：

Imprinted polymer; Kitasamycin; Selective adsorption; Ionic liquid; Solid phase extraction; SOLID-PHASE EXTRACTION; MACROLIDE ANTIBIOTICS; SPE SORBENT; RECOGNITION; SILICA; RESIDUES; MONOMER; URINE; WATER; MILK;

D O I：

10.1016/j.colsurfa.2021.126926

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A newly green molecularly imprinted polymer (MIP) for kitasamycin (KITA) was synthesized in water by using 1allyl-3-vinylimidazolium chloride ionic liquid and 2-acrylamide-2-methylpropanesulfonic acid as co-functional monomer on the surface of poly (styrene-divinylbenzene) particles. The prepared MIP has excellent selectivity for KITA in mixed solution, and approximately 90% of KITA can be bounded onto MIP within the first 30 min. And the MIP exhibited powerful affinity towards KITA with the maximum adsorption amount of 127.06 mg g-1 with the recovery of 92.3-108.8%, and the binding capacity increased within the contact temperature of 25-45 degrees C. The adsorption mechanism revealed that the synergistic effect of hydrogen bond, 7C-7C interaction and molecule structure was attributed to selectivity of the MIP. Under the optimized condition, a MIP-SPE cartridge coupled with high performance liquid chromatography (HPLC) was developed to determine the residues of KITA in soil, water and muscle samples, and the MIP-SPE cartridge can be regenerated at least 25 cycles. Therefore, the developed MIP-SPE-HPLC strategy can be used as a specific, cost-effective and environmentally-friendly method for identification and determination KITA in environmental samples.

引用

页数：8

共 42 条

[1] Molecularly imprinted polymer-based materials as thin films on silica supports for efficient adsorption of Patulin [J].