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Reference type: Journal
Authors: Hrobonová K, Spevak A, Spišská L, Lehotay J, Cižmárik J
Article Title: Application of umbelliferone molecularly imprinted polymer in analysis of plant samples.
Publication date: 2013
Journal: Chemical Papers
Volume: 67
Issue: (5)
Page numbers: 477-483.
DOI: 10.2478/s11696-013-0320-1

Abstract: The molecularly imprinted polymers (MIPs) were synthesised and the influence of the type of porogen, the nature of sample solvent, and the binding capacity of material were tested by high-performance liquid chromatography (HPLC). Umbelliferone was used as the template for imprint formation. Methacrylic acid was used as the monomer and acetonitrile, ethanol, and chloroform as porogen. Non-imprinted polymers (NIPs) were prepared by the same procedure. The highest value of the specific binding capacity (269 μg of umbelliferone per 100 mg of polymer) was obtained for polymers prepared in chloroform as porogen and methanol/water ([phi] r = 1: 1) as the sample solvent. The group-selective MIP was used as sorbent for the SPE pre-treatment of umbelliferone from plant extracts prior to HPLC analysis. Analysis of the spiked samples showed good recoveries (> 77 %). The limit of detection, limit of determination, and repeatability of the method were also calculated
Template and target information: umbelliferone
Author keywords: molecularly imprinted polymer, Umbelliferone, binding capacity, solid phase extraction, Plant samples, HPLC


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