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题名: Novel dummy molecularly imprinted polymers for matrix solid-phase dispersion extraction of eight fluoroquinolones from fish samples
作者: Sun, Xiaoli1, 2;  Wang, Jincheng1;  Li, Yun1;  Yang, Jiajia1, 2;  Jin, Jing1;  Shah, Syed Mazhar1;  Chen, Jiping1
关键词: Fluoroquinolones ;  Molecularly imprinted polymers ;  Dummy template ;  Class-selective ;  Matrix solid-phase dispersion
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2014-09-12
DOI: 10.1016/j.chroma.2014.07.007
卷: 1359, 页:1-7
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: A series of novel dummy molecularly imprinted polymers (DMIPs) were prepared as highly class-selective sorbents for fluoroquinolones. A non-poisonous dummy template, daidzein, was used for the first time to create specific molecular recognition sites for fluoroquinolones in the synthesized polymers. The influence of porogen polarity on dummy molecular imprinting effect was studied. The DMIP prepared using dimethylsulfoxide acetonitrile (1:1.8, v/v) as porogen achieved the highest imprinting factors (IF) for fluoroquinolones over a range of IF 13.4-84.0. This DMIP was then used for selective extraction of eight fluoroquinolones (fleroxacin, ofloxacin, norfloxacin, pefloxacin, ciprofloxacin, lomefloxacin, enrofloxacin and gatifloxacin) from fish samples based on dummy molecularly imprinted matrix solid-phase dispersion (DMI-MSPD). The extracted fluoroquinolones were subsequently analyzed by high-performance liquid chromatography (HPLC) equipped with a fluorescence detector (FLD). The developed method had acceptable recoveries (64.4-102.7%) and precision (RSDs: 1.7-8.5%, n = 5) for determination of fluoroquinolones in fish samples fortified at levels of 10 and 100 ng g(-1). The limits of detection (LODs) for identification of eight fluoroquinolones ranged between 0.06 and 0.22 ng g(-1). The results demonstrated great potential of the optimized method for sample preparation in routine analysis of trace fluoroquinolones in fish samples. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  MAGNETIC CARBON NANOTUBES ;  SOLVENT PROPERTIES ;  RESIDUES ;  HEALTH ;  MILK ;  FOOD ;  MICROEXTRACTION ;  ANTIBIOTICS ;  ENVIRONMENT
语种: 英语
WOS记录号: WOS:000340984400001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145856
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Sun, Xiaoli,Wang, Jincheng,Li, Yun,et al. Novel dummy molecularly imprinted polymers for matrix solid-phase dispersion extraction of eight fluoroquinolones from fish samples[J]. JOURNAL OF CHROMATOGRAPHY A,2014,1359:1-7.
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