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Reference type: Journal
Authors: Khorrami AR, Mehrseresht S
Article Title: Synthesis and evaluation of a selective molecularly imprinted polymer for the contraceptive drug levonorgestrel.
Publication date: 2008
Journal: Journal of Chromatography B
Volume: 867
Issue: (2)
Page numbers: 264-269.
DOI: 10.1016/j.jchromb.2008.04.017
Alternative URL: http://www.sciencedirect.com/science/article/B6X0P-4S9G966-4/1/3d8ab489d167a6aebb2070169040cfb6

Abstract: A molecularly imprinted polymer (MIP) has been prepared using levonorgestrel (LEV) as template. The polymer was synthesised in a non-covalent approach using methacrylic acid (MAA) as functional monomer and ethylene glycol dimethacrylate (EGDMA) as cross-linking monomer via a free radical polymerization. An equivalent blank polymer was also synthesised in the absence of the template compound. Batch adsorption experiments were used to evaluate the binding affinity of the imprinted polymer. After packing MIP into a stainless steel column (150ámmá+á4.6ámm i.d.), retention and elution of the template and related compounds were evaluated by high-performance liquid chromatography (HPLC). This LEV imprinted polymer was further applied for selective solid phase extraction (SPE) of LEV from human serum. It was confirmed that the binding ability of the prepared MIP for LEV was essentially sufficient in the presence of other compounds coexisting in serum sample. Therefore, as a selective and efficient solid phase material, LEV imprinted polymer has a high potential application in analysis of this steroidal hormone in clinical purposes
Author keywords: molecularly imprinted polymer, solid phase extraction, Levonorgestrel, human serum

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