核-壳式雌二醇磁性分子印迹聚合物的制备及其吸附性能研究

引用本文: 王悦, 郭恺辰, 田雪蒙, 赵文昌, 凯迪日耶·色提瓦力迪, 高瑞霞. 核-壳式雌二醇磁性分子印迹聚合物的制备及其吸附性能研究[J]. 分析化学, 2020, 48(10): 1375-1382. doi: 10.19756/j.issn.0253-3820.201317 shu

Citation: WANG Yue, GUO Kai-Chen, TIAN Xue-Meng, ZHAO Wen-Chang, Kaidiriye·Setiwalidi, GAO Rui-Xia. Preparation and Adsorption Performance of Core-Shell Magnetic Molecularly Imprinted Polymers for Estradiol[J]. Chinese Journal of Analytical Chemistry, 2020, 48(10): 1375-1382. doi: 10.19756/j.issn.0253-3820.201317 shu

核-壳式雌二醇磁性分子印迹聚合物的制备及其吸附性能研究

1.
西安交通大学化学学院, 西安 710049;
2.
西安奕斯伟硅片技术有限公司, 西安 710077;
3.
西安交通大学医学部, 西安 710061
基金项目:
本文系陕西省自然科学基础研究项目（Nos.2017JM2010，2020JM-066）资助

摘要: 采用稳定性好且亲水性强的苯胺（AN）为功能单体，过硫酸铵（APS）为引发剂，雌二醇（E2）为模板分子，羧基磁球（Fe₃O₄-COOH）为载体，通过固定模板印迹策略制备新型核-壳式雌二醇磁性分子印迹聚合物（MIPs-E2），用于选择性吸附雌二醇。采用透射电子显微镜（TEM）、傅里叶变换红外光谱仪（FT-IR）、X射线衍射仪（XRD）以及振动样品磁强计（VSM）对材料进行表征。结果表明，MIPs-E2粒径均一、晶型结构稳定，并且具有良好的磁性能。动力学吸附、等温吸附、选择性吸附和重复利用性实验结果表明，MIPs-E2具有大的吸附量（21.34 mg/g）、高的选择性（IF=2.65，SC>1.89）、快的传质速率（30 min）以及好的可重复利用性（6次循环使用后吸附效率为93.4%）。本研究为检测环境水样品中雌二醇的含量提供了新方法。

关键词:

English

Preparation and Adsorption Performance of Core-Shell Magnetic Molecularly Imprinted Polymers for Estradiol

1.
School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, China;
2.
Xi'an Eswin Silicon Wafer Technology Cod., Ltd, Xi'an 710077, China;
3.
Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China
Received Date: 01 June 2020
Revised Date: 21 July 2020
Fund Project:
This work was supported by the Natural Science Foundation of Shaanxi Province, China (Nos. 2017JM2010, 2020JM-066).

Abstract: The novel core-shell magnetic imprinted polymers (MIPs-E2) were prepared for selective adsorption of estradiol (E2) by template immobilization strategy, in which aniline (AN), ammonium persulfate (APS), E2 and carboxyl-modified Fe₃O₄ magnetic nanoparticles (Fe₃O₄-COOH) were employed as the functional monomer, initiator, template molecule, and carrier, respectively. The prepared nanomaterials were characterized by transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and vibrating sample magnetometer (VSM). The results showed that MIPs-E2 had uniform particle size, stable crystal structure and outstanding magnetism. In addition, the adsorption experiments displayed that MIPs-E2 had large adsorption capacity (21.34 mg/g), high selectivity (IF=2.65, SC>1.89), fast mass transfer rate (30 min) and excellent reusability (adsorption efficiency remained 93.4% after reusing for 6 cycles). This work provided a new approach for detection of the content of E2 in environmental water.

Key words:

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沈阳化工大学材料科学与工程学院沈阳 110142

核-壳式雌二醇磁性分子印迹聚合物的制备及其吸附性能研究

English

Preparation and Adsorption Performance of Core-Shell Magnetic Molecularly Imprinted Polymers for Estradiol

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

核-壳式雌二醇磁性分子印迹聚合物的制备及其吸附性能研究

English

Preparation and Adsorption Performance of Core-Shell Magnetic Molecularly Imprinted Polymers for Estradiol

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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