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题名:
Quercetin molecularly imprinted polymers: Preparation, recognition characteristics and properties as sorbent for solid-phase extraction
作者: Song, Xingliang1,3; Jinhua LI(李金花)2; Wang, Jiangtao1; Chen, LingXin(陈令新)2
刊名: TALANTA
ISSN号: 0039-9140
出版日期: 2009-12-15
卷号: 80, 期号:2, 页码:694-702
关键词: Molecularly imprinted polymers ; Quercetin ; Molecular recognition ; Solid-phase extraction ; HPLC ; Cacumen platycladi
学科分类: Chemistry, Analytical
产权排序: Ocean Univ China, Key Lab Marine Chem Theory & Technol, Minist Educ;Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev;Linyi Normal Univ, Dept Chem
通讯作者: Wang, JT, Ocean Univ China, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao 266100, Peoples R China
作者部门: 环境化学实验室
英文摘要: Molecular imprinted polymers (MIPs) were prepared through thermal polymerization by using quercetin as the template molecule, acrylamide (AA) as the functional monomer and ethylene glycol dimethacrylate (EDMA) as the cross-linker in the porogen of tetrahydrofuran (THF). The synthesized MIPs were identified by both Fourier transform infrared (FTIR) and scanning electron microscope (SEM). Systematic investigations of the influences of key synthetic conditions, including functional monomers, porogens and cross-linkers, on the recognition properties of the MIPs were conducted. Scatchard analysis revealed that the homogeneous binding sites were formed in the polymers. Besides quercetin, two structurally similar compounds of rutin and catechol were employed for molecular recognition specificity tests of MIPs. It was observed that the MIPs exhibited the highest selective rebinding to quercetin. Accordingly, the MIPs were used as a solid-phase extraction (SPE) sorbent for the extraction and enrichment of quercetin in cacumen platycladi samples, followed by HPLC-UV analysis. The application of MIPs with high affinity and excellent stereo-selectivity toward quercetin in SPE might offer a novel method for the enrichment and determination of flavonoid compounds in the natural products. (C) 2009 Elsevier B.V. All rights reserved.
研究领域[WOS]: Chemistry
关键词[WOS]: FLAVONOIDS ; SEPARATION ; SENSOR ; GEL
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000271701900043
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/3446
Appears in Collections:环境化学实验室_期刊论文

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作者单位: 1.Ocean Univ China, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao 266100, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res Sustainable Dev, Yantai 264003, Peoples R China
3.Linyi Normal Univ, Dept Chem, Linyi 276005, Peoples R China

Recommended Citation:
Song, Xingliang,Li, Jinhua,Wang, Jiangtao,et al. Quercetin molecularly imprinted polymers: Preparation, recognition characteristics and properties as sorbent for solid-phase extraction[J]. TALANTA,2009,80(2):694-702.
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