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Reference type: Journal
Authors: Du BB, Huang YH, Min K
Article Title: Determination of Sulfonamides in Feeds by High Performance Liquid Chromatography with Molecularly Imprinted Solid Phase Extraction.
Publication date: 2012
Journal: Chinese Journal of Analytical Chemistry
Volume: 40
Issue: (12)
Page numbers: 1871-1876.
DOI: 10.3724/SP.J.1096.2012.20161
Alternative URL: http://210.14.121.5:8080/fxhx/EN/abstract/abstract13005.htm

Abstract: A method was developed for monitoring five sulfonamides (SAs) in feeds by using molecularly imprinted polymers (MIPs) as selective solid-phase extraction sorbents coupled with high performance liquid chromatography. The MIPs were firstly synthesized by ultraviolet initiated using sulfadiazine as template. Then, the molecularly printed solid phase extraction (MISPE) column was prepared, and the MIPs were used as adsorbent. Meanwhile, the procedures of loading, washing and eluting conditions were optimized. Under the optimum conditions, the detection limit range of five SAs was 0.14-0.23 mg/kg and the quantification limit range was 0.38-0.47 mg/kg. The average recoveries were in the range of 72.1%-89.3% with a batch and batch sampling relative standard deviations less than 7.9% and 9.2%, respectively. It showed that the MISPE column decreased the matrix effect and had a better selectivity and a lower limit of quantification than Alumina B column.
Template and target information: sulfonamides, SAs, Sulfadiazine, SZD, Sulfamethazine, SMZ, Sulfamonomethoxine, SMM, Sulfamethoxazole, SMX, Sulfaquinoxaline, SQZ
Author keywords: molecularly imprinted polymer, Solid-phase extraction, sulfonamides, Feed, high performance liquid chromatography


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