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Authors: Yuan YN, Nie HL, Yin JF, Han YH, Lv YK, Yan HY
Article Title: Selective extraction and detection of β-agonists in swine urine for monitoring illegal use in livestock breeding.
Publication date: 2020
Journal: Food Chemistry
Volume: 313
Article Number: 126155.
DOI: 10.1016/j.foodchem.2019.126155
Alternative URL: https://www.sciencedirect.com/science/article/pii/S0308814619323076
Abstract: The illegal use of β-agonists often endangers animal-derived food safety. In this study, a selective detection method for β-agonists in swine urine was established via the combination of polymeric ionic liquid-molecularly imprinted graphene oxide-miniaturized pipette tip solid-phase extraction and high-performance liquid chromatography. It is worth noting that this method relied mainly on the designed adsorbent, which presented a rich adsorption mechanism, fast mass transfer rate, and high selectivity, and was successfully utilized in the selective extraction of β-agonists from swine urine samples. The proposed method has low LOD (0.20-0.56 ng/mL), high recovery (94.9-107.9%), and high reusability (4 times, 91.9-108.8%), which indicates its high potential as a selective, sensitive, accurate, and nonfatal method for monitoring the illegal use of β-agonists in the livestock breeding stage
Template and target information: β-agonists
Author keywords: Molecular imprinting material, Miniaturized pipette tip solid-phase extraction, β-Agonists, Swine urine, food safety
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