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Reference type: Journal
Authors: Lian ZR, He XL, Wang JT
Article Title: Determination of sulfadiazine in Jiaozhou Bay using molecularly imprinted solid-phase extraction followed by high-performance liquid chromatography with a diode-array detector.
Publication date: 2014
Journal: Journal of Chromatography B
Volume: 957
Page numbers: 53-59.
DOI: 10.1016/j.jchromb.2014.02.053
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1570023214001561

Abstract: A highly selective sample cleanup procedure featuring molecularly imprinted solid-phase extraction (MISPE) was developed for the isolation and determination of sulfadiazine (SDZ) in seawater samples from Jiaozhou Bay, China. The molecularly imprinted polymer (MIP) was prepared using SDZ as the template molecule and methacrylic acid as the functional monomer. The MIP was used as a selective sorbent for the solid-phase extraction of SDZ. An off-line MISPE method followed by high-performance liquid chromatography (HPLC) with diode-array detection was established for the analysis of SDZ. Good linearity of the MISPE column for SDZ standard solutions was obtained within 0-200 μg L-1 (R2 > 0.99). The recoveries of spiked seawater samples were satisfactory as high as 88%. Finally, seven samples in Jiaozhou Bay were determined and there was no sulfadiazine found except #2 and #5 sample. The concentrations were respectively 0.33 μg L-1 and 0.28 μg L-1, and the relative standard deviations were 1.35% and 4.13% (n = 3)
Template and target information: sulfadiazine, SDZ
Author keywords: Sulfadiazine, molecularly imprinted polymer, Solid-phase extraction, seawater, Jiaozhou Bay


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