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Determination of the metabolites of nitrofuran antibiotics in animal tissue by high-performance liquid chromatography-tandem mass spectrometry.
A LC-MS-MS method is presented to analyse simultaneously the metabolites of four nitrofuran antibacterial agents, furazolidone, furaltadone, nitrofurazone and nitrofurantoin in animal muscle tissue.Expand
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Metabolic profiles of the mycotoxin zearalenone and of the growth promoter zeranol in urine, liver, and muscle of heifers.
A group of five heifers were fed for 84 days with 2 kg of zearalenone-contaminated oats (1370 microg/kg) resulting in an average daily intake of 2740 microg of zearalenone per animal. In a parallelExpand
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Concentration levels of zearalenone and its metabolites in urine, muscle tissue, and liver samples of pigs fed with mycotoxin-contaminated oats.
The content of zearalenone and its metabolites in urine and tissue samples from pigs fed zearalenone-contaminated oats was established by analytical methods combining solid-phase extraction cleanupExpand
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Determination of zearalenone in grains by high-performance liquid chromatography-tandem mass spectrometry after solid-phase extraction with RP-18 columns or immunoaffinity columns.
In this paper a robust, sensitive and selective LC-MS-MS method for the determination of zearalenone (ZON) in several cereals is described. Sample preparation was performed by extraction of theExpand
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Determination of zeranol, taleranol, zearalenone, α- and β-zearalenol in urine and tissue by high-performance liquid chromatography-tandem mass spectrometry
SummaryAn LC-MS/MS method has been developed for the sensitive determination of the anabolic compound zeranol, its epimer taleranol and the mycotoxins zearalenone, α-zearalenol and β-zearalenol inExpand
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Application of a chromolith speedROD RP-18e HPLC column: Determination of ochratoxin A in different wines by high-performance liquid chromatography-tandem mass spectrometry
SummaryTwo different types of HPLC column have been used to determine the mycotoxin ochratoxin A in red and white wines by liquid chromatography-tandem mass spectrometry (LC-MS-MS). The performanceExpand
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Determination of zearalenone and its metabolites α- and β-zearalenol in beer samples by high-performance liquid chromatography-tandem mass spectrometry.
Abstract A fast, robust and sensitive LC–MS–MS method for the determination of zearalenone (ZON) and its metabolites α-zearalenol (α-ZOL) and β-zearalenol (β-ZOL) in beer samples is described. SampleExpand
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Determination of zearalenone and its metabolites in urine and tissue samples of cow and pig by LC-MS/MS
For the sensitive and selective determination of zeranol, taleranol, α-zearalenol, β-zearalenol and zearalenone in animal urine and tissue a LC-MS/MS method has been developed. Sample preparationExpand
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Metabolism of UCN-01 in isolated perfused rat liver: role of Mrp2 in the biliary excretion of glucuronides.
UCN-01 is a promising, novel kinase inhibitor currently undergoing clinical development. Though UCN-01 shows pronounced antitumor activity, its metabolism and hepatic transport system is stillExpand
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Determination of Mercapturic Acids Using 1,4-Dihydroxynaphthalene, a New Matrix for Matrix-Assisted UV Laser Desorption/Ionization Mass Spectrometry
Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI TOF-MS) was applied for the characterization of six N-acetylcysteine conjugates (mercapturic acids) of syntheticExpand
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