NDLI: Preparation of an allyloxy-cucurbit[6]uril-modified polymer monolithic column for microextraction of estrogens in cosmetics

Content Provider	Royal Society of Chemistry (RSC)
Author	Lv, Xueju Hu, Bin Song, Naizhong Jia, Qiong Zhou, Yufeng Zheng, Haijiao
Copyright Year	2015
Abstract	In the present study, a poly(butyl methacrylate-co-ethylene dimethacrylate) (poly(BMA–EDMA)) monolithic column modified with allyloxy-cucurbit[6]uril (ACB[6]) was prepared with an in situ polymerization process. A polymer monolith microextraction method was developed with the modified monolithic column for the preconcentration of estrogen combined with high performance liquid chromatography. The various experimental parameters affecting the extraction capacity were investigated and optimized with an orthogonal experiment design, L16(45). Under the optimum conditions, we obtained acceptable linearities, low limits of detection, and good intra-day/inter-day relative standard deviations. Hydrophobic interactions, π–π stacking, and hydrogen bonding interactions contributed to the extraction efficiency of the ACB[6]@poly(BMA–EDMA) monolithic column. The present method was employed to determine estrogens in cosmetic samples and the accuracy was assessed through recovery experiments. The obtained recovery values were in the range of 80.1–109.4% with relative standard deviations less than 9.9%.
Starting Page	9714
Ending Page	9721
Page Count	8
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	39
Issue Number	12
Journal	New Journal of Chemistry
DOI	10.1039/c5nj01802a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	EDMA Liga ACB Monolith BMA Butyl group Monolithic column Estrogen Polymerization Polymer High-performance liquid chromatography Orthogonality Hydrogen bond
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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