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Reference type: Journal
Authors: Tang T, Wei FD, Wang X, Ma YJ, Song YY, Ma YS, Song Q, Xu GH, Cen Y, Hu Q
Article Title: Determination of semicarbazide in fish by molecularly imprinted stir bar sorptive extraction coupled with high performance liquid chromatography.
Publication date: 2018
Journal: Journal of Chromatography B
Volume: 1076
Page numbers: 8-14.
DOI: 10.1016/j.jchromb.2018.01.003
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1570023217312205

Abstract: A novel molecularly imprinted stir bar (MI-SB) for sorptive extraction of semicarbazide (SEM) was prepared in present paper. The coating of the stir bar was characterized by scanning electron microscopy, Fourier-transform infrared spectroscopy, dynamic adsorption and static adsorption tests. The saturated adsorption of MI-SB was about 4 times over that of non-imprinted stir bar (NI-SB). The selectivity of MI-SB for SEM was much better than NI-SB. A method to determine SEM was established by coupling MI-SB sorptive extraction with HPLC-UV. The liner range was 1-100 ng/mL for SEM with a correlation coefficient of 0.9985. The limit of detection was about 0.59 ng/mL, which was below the minimum required performance limit of SEM in meat products regulated by European Union. The method was applied to the determination of SEM in fish samples with satisfactory results
Template and target information: semicarbazide, SEM
Author keywords: semicarbazide, Stir bar sorptive extraction, molecularly imprinted polymer, high performance liquid chromatography, Residue determination


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