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Reference type: Journal
Authors: Qiao FX, Du JJ
Article Title: Rapid screening of clenbuterol hydrochloride in chicken samples by molecularly imprinted matrix solid-phase dispersion coupled with liquid chromatography.
Publication date: 2013
Journal: Journal of Chromatography B
Volume: 923 - 924
Page numbers: 136-140.
DOI: 10.1016/j.jchromb.2013.02.016
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1570023213001128

Abstract: A simple and selective molecularly imprinted matrix solid-phase dispersion (MI-MSPD) method coupled with high performance liquid chromatography (HPLC) ultraviolet detection was developed for rapid screening of clenbuterol hydrochloride (CH) in chicken samples. The new molecularly imprinted microspheres (MIM) were synthesized by using butylamine and chloroaniline as dummy template with aqueous suspension polymerization and revealed good affinity to CH in aqueous solution. The application of the obtained MIM as sorbent of matrix solid-phase dispersion (MSPD) improved the selectivity of extraction procedure and avoided the effect of template leakage on quantitative analysis. Under the optimized conditions, good linearity of CH was obtained in a range of 0.059 - 18.30 μg mL-1 with the correlation coefficient (R) of 0.9996. The recoveries of CH at three spiked levels were ranged from 92.0 to 99.1% with the relative standard deviation less than 4.0% (n = 3). The presented MI-MSPD-HPLC method combined the superiority of MIM and MSPD, and therefore could be potentially applied for the determination of CH in complicated biological samples
Template and target information: clenbuterol, clenbuterol hydrochloride, CH
Author keywords: molecularly imprinted microspheres, Matrix solid-phase dispersion, selective extraction, clenbuterol hydrochloride, Chicken samples


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