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A modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) method and ultrahigh-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC–MS/MS) were optimized and validated for 16 antibiotics belonging to three families (macrolides, quinolones, and sulfonamides) that were found in preserved eggs. Samples were extracted in 4 mL water and 10 mL acetonitrile with 1% acetic...
There are many high-performance liquid chromatographic assays for the determination of sulphonamides, dihydrofolate reductase inhibitors and β-lactam antibiotics individually in food products. Recently, some capillary electrophoresis (CE) assays for these drugs have appeared. Sulphonamides plus dihydrofolate reductase inhibitors are readily separated by capillary zone electrophoresis (CZE) and micellar...
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