Determination of hydroquinone by flow injection chemiluminescence and using magnetic surface molecularly imprinted particles

被引：31

作者：

Chao, Yingjun ^{[1
]}

Zhang, Xiao ^{[1
]}

Liu, Lei ^{[1
]}

Tian, Lihui ^{[1
]}

Pei, Meishan ^{[1
]}

Cao, Wei ^{[1
]}

机构：

[1] Univ Jinan, Key Lab Chem Sensing & Anal, Sch Chem & Chem Engn, Jinan 250022, Peoples R China

来源：

MICROCHIMICA ACTA | 2015年 / 182卷 / 5-6期

关键词：

Hydroquinone; Magnetic molecularly imprinted polymer; Flow injection chemiluminescence; System; POLYMERS; NANOPARTICLES; MICROSPHERES; CATECHOL;

D O I：

10.1007/s00604-014-1415-2

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We report on a flow injection chemiluminescence assay for hydroquinone (HQ) using Fe3O4 magnetic nanoparticles capped with oleic acid and coated with a polymer whose surface was molecularly imprinted for HQ to act as the recognition element. Dispersed in an oil phase, the surface imprinted particles display excellent adsorption capacity (63 mga (TM) gaEuro3/4(1)) and a rapid adsorption rate. Packed into a flow cell, the addition of the reagents hexacyanoferrate(III), luminol and chlorhematin generates chemiluminescence whose intensity is linearly related to the concentration of HQ in the range from 2 x 10(-7) to 1.0 x 10(-5) mga (TM) mLaEuro3/4(1), with a detection limit of 7.9 x 10(-8) mga (TM) mLaEuro3/4(1) and a relative standard deviation of 2.3 % at 1.0 x 10(-7) mga (TM) mLaEuro3/4(1) HQ (n = 6). The method was successfully applied to the determination of HQ in spiked water samples.

引用

页码：943 / 948

页数：6

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