Determination of diclofenac in urine samples by molecularly-imprinted solid-phase extraction and adsorptive differential pulse voltammetry

被引：24
|
作者：
Fernandez-Llano, Laura [1 ]
Carmen Blanco-Lopez, M. [1 ]
Jesus Lobo-Castanon, M. [1 ]
Miranda-Ordieres, Arturo J. [1 ]
Tunon-Blanco, Paulino [1 ]
机构：
[1] Univ Oviedo, Dept Quim Fis & Analit, E-33006 Oviedo, Spain
来源：
ELECTROANALYSIS | 2007年 / 19卷 / 15期
关键词：
voltammetry; solid phase extraction; diclofenac; molecularly imprinted polymers;
D O I：
10.1002/elan.200703895
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A molecularly imprinted polymer for diclofenac (DCF) was prepared by thermal polymerization over silica beads using 2-(dimethylamino)ethyl-methacrylate as functional monomer. After silica elimination by HF treatment, the polymer was applied to the selective solid-phase extraction of the drug from urine followed by its quantification by adsorptive differential pulse voltammetry. Results indicate that the drug could be selectively extracted from the sample and quantified at clinically relevant concentrations (mu g/-L).
引用
收藏
页码：1555 / 1561
页数：7
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