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Reference type: Journal
Authors: Celiz MD, Aga DS, Colón LA
Article Title: Evaluation of a molecularly imprinted polymer for the isolation/enrichment of β-estradiol.
Publication date: 2009
Journal: Microchemical Journal
Volume: 92
Issue: (2)
Page numbers: 174-179.
DOI: 10.1016/j.microc.2009.03.007
Alternative URL: http://www.sciencedirect.com/science/article/B6W6H-4W04KSB-2/2/1c18a3892f469d7f43dd872ada831328

Abstract: The selective preconcentration of estradiol was explored using the recognition ability of a molecularly imprinted polymer (MIP) in the solid phase extraction (SPE) format. Polymeric particles were imprinted with 17β-estradiol using methacrylic acid as functional monomer and divinylbenzene as crosslinker. Binding studies of these polymeric particles towards 17β-estradiol showed selectivity over non-imprinted polymers, using acetonitrile as solvent. The imprinted polymer showed a recovery of 88% for β-estradiol in deionized water and 81% in surface water. The selectivity of the MIP over the non-imprinted polymer was relatively low, only 10% higher recovery. The results indicate that the MIP imprinted with 17β-estradiol does not appear to provide a viable approach to be used in a sample clean-up or enrichment step for the determination of estradiol in aqueous systems
Template and target information: 17β-estradiol, estradiol
Author keywords: molecularly imprinted polymer, estradiol, solid phase extraction, molecular imprinting

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