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Abstract: In this work, Fe3O4 magnetic nanoparticles were synthesized and modified by a molecularly imprinted polymer for easy and selective extraction and determination of sulfonamides in chicken meat samples. Imprinted polymer magnetic nanoparticles were characterized by Fourier transform infrared spectroscopy, X-ray diffraction pattern, thermal analysis, and scanning electron microscope micrograph. The template was removed by methanol elution. The effective parameters on extraction and determination of sulfonamides on the sorbent such as eluent type, extraction solvent, and adsorption and desorption times were optimized. Sulfonamide separation and determination were performed by high-performance liquid chromatography-UV. The linear ranges for sulfonamides were 0.5-150 μg/L and the limits of detection were 0.1-0.5 μg/L. Relative standard deviations were within 4.3-5.4 %. The method showed good selectivity for extraction of sulfonamides in real samples
Template and target information: sulfonamides, sulfamethazine, sulfadiazine, sulfamethizole, sulfachloropyridazine, sulfamethoxazole
Author keywords: Sulfonamide determination, HPLC, Magnetic molecularly imprinted polymer, Chicken meat