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Reference type: Journal
Authors: Çorman ME, Armutcu C, Uzun L, Denizli A
Article Title: Rapid, efficient and selective preconcentration of benzo[a]pyrene (BaP) by molecularly imprinted composite cartridge and HPLC.
Publication date: 2017
Journal: Materials Science and Engineering: C
Volume: 70
Issue: (Part 2)
Page numbers: 41-53.
DOI: 10.1016/j.msec.2016.08.040
Alternative URL: http://www.sciencedirect.com/science/article/pii/S092849311630844X

Abstract: In this study, cryogel-based molecularly imprinted composite cartridges were designed for the rapid, efficient, and selective preconcentration of benzo[a]pyrene (BaP) from water samples. First, a BaP-imprinted poly(2-hydroxyethyl methacrylate-N-methacryloyl-(L)-phenylalanine) composite cartridge was synthesized under semi-frozen conditions and characterized by scanning electron microscopy, elemental analysis, Fourier transform infrared spectroscopy, and swelling tests. After the optimization of preconcentration parameters, i.e., pH and initial BaP concentration, the selectivity and preconcentration efficiency, and reusability of these cartridges were also evaluated. In selectivity experiments, BaP imprinted composite cartridge exhibited binding capacities 3.09, 9.52, 8.87, and 8.77-fold higher than that of the non-imprinted composite cartridge in the presence of competitors, such as benzo[b]fluoranthene (BbF), benzo[k]fluoranthene (BkF), indeno[1,2,3-cd]pyrene (IcdP), and 1-naphthol, respectively. The method detection limit (MDL), relative standard deviation (RSD) and preconcentration efficiency (PE) of the synthesized composite cartridge were calculated as 24.86 μg/L, 1.60%, and 349.6%, respectively
Template and target information: benzo[a]pyrene, BaP
Author keywords: polycyclic aromatic hydrocarbons, Benzo[a]pyrene, Composite cartridge hydrophobic cryogel, molecular imprinting, preconcentration

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