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题名: Determination of tetracyclines in food samples by molecularly imprinted monolithic column coupling with high performance liquid chromatography
作者: Sun, Xiangli1;  He, Xiwen1;  Zhang, Yukui1, 2;  Chen, Langxing1
关键词: Molecularly imprinted solid phase extraction (MISPE) ;  In situ polymerization ;  Molecularly imprinted monolithic column ;  Tetracyclines ;  Determination
刊名: TALANTA
发表日期: 2009-08-15
DOI: 10.1016/j.talanta.2009.05.033
卷: 79, 期:3, 页:926-934
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A novel solid phase extraction (SPE) method for determination of tetracyclines (TCs) in milk and honey samples by molecularly imprinted monolithic column was developed. Using tetracycline (TC) as the template, methacrylic acid (MAA) as the functional monomer, ethylene glycol dimethacrylate (EGDMA) as the cross-linker, methanol as the solvent, cyclohexanol and dodecanol as the mixed porogenic solvents, a TC imprinted monolithic column was prepared by in situ molecular imprinting technique for the first time, and the optimal synthesis conditions and the selectivity of TC imprinted monolithic column were investigated. The interfering substances in food samples and TCs can be separated successfully on imprinted column. Molecularly imprinted solid phase extraction (MISPE) coupling with C18 column was used to determinate the TCs in milk and honey. The recoveries of this method for six tetracyclines antibiotics such as tetracycline (TC), oxytetracycline (OTC), minocycline (MINO). chlortetracycline (CTC), metacycline (MTC) and doxycycline (DTC) were investigated. and high recoveries of 73.3-90.6% from milk samples and 62.6-82.3% from honey samples were obtained. A method for determination of TCs at low concentration level in milk and honey samples was successfully developed by using the monolithic column as the precolumn for solid phase extraction of six TCs compounds. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: SOLID-PHASE EXTRACTION ;  TRACE ANALYSIS ;  POLYMERS ;  ANTIBIOTICS ;  MICROEXTRACTION ;  RECOGNITION ;  SEPARATION ;  PRODUCTS ;  CLEANUP ;  WATER
语种: 英语
WOS记录号: WOS:000268346800055
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141526
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.Nankai Univ, Dept Chem, Tianjin 300071, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116011, Peoples R China

Recommended Citation:
Sun, Xiangli,He, Xiwen,Zhang, Yukui,et al. Determination of tetracyclines in food samples by molecularly imprinted monolithic column coupling with high performance liquid chromatography[J]. TALANTA,2009,79(3):926-934.
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