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Search results - 11 results
Per- and polyfluoroalkyl substances in food and beverages: determination by LC-HRMS and occurrence in products from the Belgian market.
Fluorocarbons Food Contamination Mass Spectrometry Solid phase extraction Abstract: Per- and polyfluoroalkyl substances (PFAS) are industrial chemicals encompassing thousands of compounds. Due to their ...
Development of a reliable UHPLC-MS/MS method for simultaneous determination of zearalenone and zearalenone-14-glucoside in various feed products
impurities and enriching the target analytes in different feeds. The critical parameters affecting the performance of the solid-phase extraction (SPE) procedure were carefully optimized, and 20% acetonitrile ...
Optimization and validation of an analytical method for the quantification of short- and medium-chained chlorinated paraffins in food by gas chromatography-mass spectrometry
ECNI / MS). A dispersive solid phase extraction (dSPE) method was optimized for fish, meat, oil, milk and whole-grain cereal followed by clean-up with concentrated sulfuric acid and acid silica. ...
Development and Validation of a UHPLC-ESI-MS/MS Method for Quantification of Oleandrin and Other Cardiac Glycosides and Evaluation of Their Levels in Herbs and Spices from the Belgian Market
included oleandrin, digoxin, digitoxin, convallatoxin, and ouabain. Samples of culinary herbs were extracted with acetonitrile and cleaned using Oasis® MAX solid-phase extraction (SPE), while samples of ...
A Robust Transferable Method for the Determination of Glyphosate Residue in Liver After Derivatization by Ultra-high Pressure Liquid Chromatography–Tandem Mass Spectrometry
235L 961191218, Issue 5 (2016) Keywords: derivatization glyphosate liquid chromatography Liver Mass Spectrometry Solid phase extraction Health Topics: Food consumption and food safety Consommation et ...
Determination of caramel colorants' by-products in liquid foods by ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS).
Inspection France Furaldehyde Imidazoles Limit of Detection Molecular Structure Reproducibility of Results Solid phase extraction Spectrometry, Mass, Electrospray Ionization Tandem Mass Spectrometry Abstract: ...
Multi-dye residue analysis of triarylmethane, xanthene, phenothiazine and phenoxazine dyes in fish tissues by ultra-performance liquid chromatography-tandem mass spectrometry.
tandem solid phase extraction using weak and strong cation exchange cartridges. Extracts were analysed by UPLC- MS (n) operating in the positive electrospray ionisation mode (ESI +). The fourteen dyes were ...
A proteomics approach for the quantification of Staphylococcus aureus enterotoxins a and b in several matrices using uplc-msms analysis.
high specificity of the method. The sample is then injected and analysed using online Solid Phase Extraction (SPE) – UPLC – MS / MS. Analytes of interest are trapped on the SPE-column, while e.g. ...
On-line solid-phase extraction with ultra performance liquid chromatography and tandem mass spectrometry for the detection of nicotine, cotinine and trans-3'-hydroxycotinine in urine to strengthen human biomonitoring and smoking cessation studies.
Liquid cotinine environmental exposure Humans Nicotine Reproducibility of Results Sensitivity and Specificity SMOKING Smoking cessation Solid phase extraction Tandem Mass Spectrometry Tobacco Smoke ...
A modified sample preparation for acrylamide determination in cocoa and coffee products
presented in this work. For the sample pretreatment, different solvents, purification steps, and solid-phase extraction cartridges were evaluated. The analyses were carried out on a µ-Bondapak C18 column ...