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Résultats de la recherche - 58 results

DETERMINATION OF SENSITIZING AND IRRITATING LEACHABLES IN MENSTRUAL HYGIENE PRODUCTS

step and a salting-out assisted liquid-liquid extraction procedure were developed and op-timized. An ultra performance liquid chromatography – triple quad mass spectrometry (UPLC- TQMS) method with a run ...

Human urine contamination with environmental pollutants: simultaneous determination using UPLC-MS/MS

ultra performance liquid chromatography-tandem mass spectrometer (UPLC- MS / MS). The three major parabens were found in 95 urine samples. The obtained results indicate that MP, EP, and PP were detected ...

Towards the use of ion mobility mass spectrometry derived collision cross section as a screening approach for unambiguous identification of targeted pesticides in food

mass accuracy and retention times in a pesticide screening method that integrates all the features offered by coupling ultra‐performance liquid chromatography (UPLC) with ion mobility mass spectrometry ...

UPLC-MS/MS analysis of antibiotics in pharmaceutical effluent in Tunisia: ecotoxicological impact and multi-resistant bacteria dissemination

Mansour, Hedi Ben Source: Archives of Microbiology, Volume 200, Issue 4 (2018) Abstract: The UPLC MS / MS analysis showed the presence of the two antibiotics in the pharmaceutical industry discharges during ...

Plasticizers and bisphenol A, in packaged foods sold in the Tunisian markets: study of their acute in vivo toxicity and their environmental fate.

ester (DINC) and which using UPLC- MS / MS demonstrated the presence of bisphenol A of all food products. However, compared to other phthalates, BBP was found at high concentrations in the puff pastry ...

Dietary exposure to pyrrolizidine alkaloids in young children and adults from the Belgian population (PASFOOD)

methods was required to detect the presence of PA s at ppb or even ppt levels.   Analytical methods based on analytes extraction and SPE purification, followed by UPLC separation and MS / MS detection were ...

Clustering and diagnostic modelling of slimming aids based on chromatographic and mass spectrometric fingerprints

photodiode array detection (UPLC- PDA) and an ultra-performance liquid chromatography mass spectrometry (UPLC- MS) method were developed to analyze 92 slimming aids (confiscated by customs), aimed at acquiring ...

Diquat and Paraquat analysis by UPLC-MSMS

Publication Type: Scientific poster, presentation or proceeding Authors: Laure Joly Source: Workshop of the national laboratory of reference, NA, NA (2016) Keywords: analysi analysis Laboratories liquid chromatography Mass Spectrometry Pesticides Health T ...

Nicotine Dependence and Urinary Nicotine, Cotinine and Hydroxycotinine Levels in Daily Smokers.

levels were determined by UPLC MS / MS.Multiple linear regression models were developed to explore the relationship between nicotine, cotinine, hydroxycotinine levels and separate FTND scores (for all ...

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