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Reference type: Journal
Authors: Yang BX, Wang L, Luo CY, Wang XX, Sun CJ
Article Title: Simultaneous Determination of 11 Aminoglycoside Residues in Honey, Milk, and Pork by Liquid Chromatography with Tandem Mass Spectrometry and Molecularly Imprinted Polymer Solid Phase Extraction.
Publication date: 2017
Journal: Journal of AOAC International
Volume: 100
Issue: (6)
Page numbers: 1869-1878.
DOI: 10.5740/jaoacint.16-0399
Alternative URL: http://www.ingentaconnect.com/contentone/aoac/jaoac/2017/00000100/00000006/art00033

Abstract: An analytical method was developed for the simultaneous determination of 11 aminoglycoside (AG) antibiotics, including amikacin, paromomycin, dihydrostreptomycin, gentamicin C1a, hygromycin, kanamycin, netilmicin, spectinomycin, sisomicin, streptomycin, and tobramycin in honey, milk, and pork samples by LC with tandem MS and molecularly imprinted polymer (MIP) SPE. The AG antibiotics in milk and homogenated meat samples were extracted with a solution composed of 10 mmol/L potassium dihydrogen phosphate, 0.4 mmol/L EDTA-Na2, and 2% trichloroacetic acid. For honey samples, the extractant was 50 mmol/L potassium dihydrogen phosphate. The extracts were cleaned up with MIP SPE cartridges. The separation was performed on a zwitter ionic-HILIC column (50 x 2.1 mm, 3.5 μm), with the mobile phase consisting of methanol, 0.3% formic acid, and 175 mmol/L ammonium formate at 0.50 mL/min in gradient elution. A triple-quadrupole mass spectrometer equipped with an electrospray ionization source, which was operated in positive mode, was used for detection. The quantification was based on matrix-matched calibration curves. The method was applied to real samples with three different matrixes. The LODs of the method were 2-30 μg/kg and the LOQs were 7-100 μg/kg; the average recovery ranged from 78.2 to 94.8%; intraday RSDs and interday RSDs were =15 and =18%, respectively; and the absolute values of matrix effect for all AGs were RSDs =23%.
Template and target information: aminoglycoside antibiotics, AG, amikacin, paromomycin, dihydrostreptomycin, gentamicin C1a, hygromycin, kanamycin, netilmicin, spectinomycin, sisomicin, streptomycin, tobramycin

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