Water-compatible molecularly imprinted polymers for selective solid phase extraction of dencichine from the aqueous extract of Panax notoginseng.
作者： Wenhua Ji , Hongkai Xie , Jie Zhou , Xiao Wang , Xiuli Ma
DOI: 10.1016/J.JCHROMB.2015.11.053
关键词: Solvent 、 Phenylpyruvic acid 、 Panax notoginseng 、 Molecularly imprinted polymer 、 Chromatography 、 High-performance liquid chromatography 、 Selectivity 、 Chemistry 、 Solid phase extraction 、 Bulk polymerization
摘要: Abstract Specific molecularly imprinted polymers for dencichine were developed the first time in this study by bulk polymerization using phenylpyruvic acid and dl -tyrosine as multi-templates. The photographs confirmed that prepared N , ′-methylene diacrylamide cross-linker glycol dimethyl ether porogen displayed excellent hydrophilicity. Selectivity, adsorption isotherm kinetics investigated. sample loading-washing-eluting solvent was optimized to evaluate property of solid phase extract. Compared with LC/WCX-SPE, water-compatible extraction more specific performance. extracted from Panax notoginseng purity 98.5% average recovery 85.6% ( n = 3) obtained.
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