Preparation and characterization of prometryn molecularly imprinted solid-phase microextraction fibers

被引：25
作者：
Hu, Xiaogang
Hu, Yuling
Li, Gongke [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Peoples R China
[2] S China Normal Univ, Sch Chem & Environm, Guangzhou, Peoples R China
来源：
ANALYTICAL LETTERS | 2007年 / 40卷 / 04期
关键词：
prometryn; molecularly imprinted polymer; solid-phase microextraction; high performance liquid chromatography;
D O I：
10.1080/00032710600966127
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A novel reproducible solid-phase microextraction (SPME) coating was prepared on the surface of silanized silica fibers by molecularly imprinted polymerization using prometryn as template molecule. The structure and extraction performance of molecularly imprinted polymer (MIP) coating was studied with the scanning electron microscope and high performance liquid chromatography (HPLC). Specific selectivity was found with the prometryn MIP-coated fiber to prometry and its structural analogues such as atrazine, simetryn, terbutylazin, ametryn, propazine and terbutryn. In contrast, these triazines could not be selectively extracted by the nonimprinted polymer fiber or commercial polydimethylsiloxane (PDMS), polydimethylsiloxane/ divinylbenzene (PDMS/DVB), polyacrylate (PA) fibers.
引用
收藏
页码：645 / 660
页数：16
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