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Reference type: Journal
Authors: Fu QA, Fang Q, Feng BL, Sun SJ, Du W, Amut EJ, Xiao AP, Chang C
Article Title: Matrine-imprinted monolithic stationary phase for extraction and purification of matrine from Sophorae flavescentis Ait.
Publication date: 2011
Journal: Journal of Chromatography B
Volume: 879
Issue: (13-14)
Page numbers: 894-900.
DOI: 10.1016/j.jchromb.2011.02.041
Alternative URL: http://www.sciencedirect.com/science/article/B6X0P-529CNP5-4/2/de1940c70f6a9b5ecee61e11540689c1

Abstract: A matrine-imprinted monolithic stationary phase (MIP monolith) was prepared by in situ polymerization for extraction and purification of matrine from Sophorae flavescentis Ait. Matrine was used as the template molecule, methacrylic acid as the function monomer, ethylene glycol dimethacrylate as the cross-linking agent, and toluene and dodecanol as the porogenic solvents. Scanning electron microscope study revealed that a monolithic structure with mesopores and 36 μm diameter nodules was obtained. The molecular recognition process and the effect of varying chromatographic conditions on separation were examined by high-performance liquid chromatography (HPLC). Hydrogen bonding, electrostatic, hydrophobic interactions and the molecular shape matching in MIP monolith cavities were proposed to be responsible for the recognition mechanism. The use of MIP monolith as a solid-phase extraction (SPE) sorbent for extraction and purification of matrine from S. flavescentis Ait was investigated. The extraction yield was 89.2% (for 3.0 mmol l-1 matrine) with enrichment factor 29
Template and target information: matrine
Author keywords: solid phase extraction, molecularly imprinted polymer, matrine, monolithic stationary phase


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