MIPdatabase
Authors: He JA, Lv RH, Zhu J, Lu K
Article Title: Selective solid-phase extraction of dibutyl phthalate from soybean milk using molecular imprinted polymers.
Publication date: 2010
Journal: Analytica Chimica Acta
Volume: 661
Issue: (2)
Page numbers: 215-221.
DOI: 10.1016/j.aca.2009.12.029
Alternative URL: http://www.sciencedirect.com/science/article/B6TF4-4Y1VSHX-3/2/28c9756b1c6a92014fcb2d93ff14f2e3
Abstract: An analysis method is reported for dibutyl phthalate and related compounds with high selectivity and sensitivity by using the selective molecularly imprinted solid-phase extraction (MISPE) technique. In this report, dibutyl phthalate (DBP) is employed as the template molecule, and the molecularly imprinted polymers (MIPs) are synthesized through the bulk polymerization of methacrylic acid (MAA). The Scatchard plot suggests that the template-polymer system has two-site binding behavior with the dissociation constants of 0.5187 and 0.01898ámmoláL-1, respectively. The rebinding test, based on the MISPE column technique, shows the recoveries of soybean milk samples spiked with 5 phthalates are in the range of 75.8-107.5% with the relative standard deviations of 1.80-10.08%, indicating the feasibility of the prepared MIPs for phthalates extraction. Finally, the method is used to analyze the trace level of phthalates in commercial soybean milk
Template and target information: dibutyl phthalate, DBP
Author keywords: Molecularly imprinted polymers, Dibutyl phthalate, Solid-phase extraction, Soybean milk
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