Preparation of roxithromycin molecularly imprinted layer-coated silica and its selective adsorption properties

doi:10.16085/j.issn.1000-6613.2016.04.031

Chemical Industry and Engineering Progree ›› 2016, Vol. 35 ›› Issue (04): 1162-1166.DOI: 10.16085/j.issn.1000-6613.2016.04.031

• Material science and technology • Previous Articles Next Articles

Preparation of roxithromycin molecularly imprinted layer-coated silica and its selective adsorption properties

TANG Zhimin, MA Xinbin

School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:2015-12-11 Revised:2016-01-13 Online:2016-04-05 Published:2016-04-05

硅胶表面罗红霉素分子印迹聚合物的制备及选择性吸附性能

唐志民, 马新宾

天津大学化工学院, 天津 300072

通讯作者: 马新宾,教授,博士生导师,研究方向为绿色化学和一碳化工.E-mail:xbma@tju.edu.cn.
作者简介:唐志民(1970-),男,博士研究生,研究方向为功能高分子材料.E-mail:zhimin.tang@hotmail.com.

Abstract

Abstract: Roxithromycin molecularly imprinted silica was prepared by using AMPS as the silica surface modifier, methacrylic acid as the functional monomer, ethylene glycol dimethacrylate as the crosslinker, and roxithromycin as the template molecule. Its structure was characterized by infrared spectroscopy, scanning electron microscope and particle size analysis. The adsorption properties of ROX-MIP-PMAA/SiO₂ on roxithromycin were studied by static binding test and dynamic binding test, and its selective adsorption properties was investigated by selective binding test with erythromycin as the competing substrate. Results showed that the roxithromycin adsorption capacity of ROX-MIP-PMAA/SiO₂ was better than that of NIP-PMAA/SiO₂. The separation factor of roxithromycin and erythromycin for ROX-MIP-PMAA/SiO₂ was 1.21, showing that ROX-MIP-PMAA/SiO₂ displayed high recognition ability to the template molecule.

Key words: silicone, surface, roxithromycin, molecularly imprinted, adsorption

摘要： 以γ-氨丙基三甲氧基硅烷(AMPS)为硅胶表面改性剂,甲基丙烯酸为功能单体,乙二醇二甲基丙烯酸酯为交联剂,罗红霉素(ROX)为模板分子,制备得到罗红霉素分子印迹硅胶材料(ROX-MIP-PMAA/SiO₂),采用红外、扫描电镜和粒径测定等方法对其进行了表征.通过静态和动态吸附实验研究了ROX-MIP-PMAA/SiO₂对罗红霉素的吸附性能,并以红霉素为竞争底物,研究其选择吸附性能.结果显示,ROX-MIP-PMAA/SiO₂对罗红霉素的吸附能力明显大于非印迹硅胶(NIP-PMAA/SiO₂),其对罗红霉素和红霉素的分离因子为1.21,说明其对罗红霉素具有较好的选择吸附性能.

关键词: 二氧化硅, 表面, 罗红霉素, 表面分子印迹, 吸附

CLC Number:

R927.2

TANG Zhimin, MA Xinbin. Preparation of roxithromycin molecularly imprinted layer-coated silica and its selective adsorption properties[J]. Chemical Industry and Engineering Progree, 2016, 35(04): 1162-1166.

唐志民, 马新宾. 硅胶表面罗红霉素分子印迹聚合物的制备及选择性吸附性能[J]. 化工进展, 2016, 35(04): 1162-1166.

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Preparation of roxithromycin molecularly imprinted layer-coated silica and its selective adsorption properties

硅胶表面罗红霉素分子印迹聚合物的制备及选择性吸附性能

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