A Magnetic, Core-Shell Structured, pH-Responsive Molecularly Imprinted Polymers for the Selective Detection of Sulfamethoxazole

被引：12
|
作者：
Huang, Weihong [1 ]
Si, Haojie [1 ]
Qing, Yujie [1 ]
Zhang, Liming [2 ]
Zhang, Wenwen [2 ]
Song, Fei [2 ]
Ni, Xiaoni [3 ]
Yang, Wenming [4 ]
机构：
[1] Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Zhenjiang Agr Prod Qual Inspect & Testing Ctr, Zhenjiang 212003, Jiangsu, Peoples R China
[3] Zhenjiang Food & Drug Supervis & Inspect Ctr, Zhenjiang 212004, Jiangsu, Peoples R China
[4] Jiangsu Univ, Sch Mat Sci & Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2021年 / 31卷 / 05期
基金：
中国国家自然科学基金;
关键词：
pH-Responsive; Molecularly imprinted polymers; Selective separation; Sulfamethoxazole; EXTRACTION;
D O I：
10.1007/s10904-021-01893-7
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A magnetic, core-shell structured pH-responsive molecularly imprinted polymer was prepared by surface imprinting technique and free radical polymerization for selective extraction of sulfamethoxazole. The imprinted polymer shell was prepared using 2-(Dimethylamino) ethyl methacrylate as pH-sensitive monomer, a certain amount of 4-vinylphenylbronic acid and methacrylic acid as common monomer to increase selectivity, sulfamethoxazole as template molecules. Excellent adsorption capacity (39.06 mg g(-1)) and selectivity (IF = 2.19) were achieved and the capture/release process can be regulated by pH value. In addition, it has been successfully applied to the detection of sulfamethoxazole in water samples and the recovery rate reached 96.2%. This study provides a new method and idea for the selective separation and detection of sulfamethoxazole in actual samples.
引用
收藏
页码：2054 / 2062
页数：9
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