Zoekresultaten - 177 results
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
develop a targeted analytical method utilizing liquid chromatography—tandem mass spectrometry (LC- MS / MS) for quantification of these plant toxins in a herbal-based food and human urine. The method ...
Biological monitoring of exposure to pesticide residues among Belgian florists
concentrations of pesticide residues and metabolites in urine samples were analyzed with a multiresidue liquid chromatography tandem mass spectrometry method, after an ethyl acetate extraction. The results are ...
The occurrence of putative cognitive enhancing research peptides in seized pharmaceutical preparations: An incentive for controlling agencies to prepare for future encounters of the kind.
findings served as an incentive to develop a novel combined liquid chromatography tandem mass spectroscopy (LC- MS / MS) methodology, applicable to both hydrophilic or more hydrophobic peptides, which was ...
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 ...
Weight and head circumference at birth in function of placental paraben load in Belgium: an ENVIRONAGE birth cohort study
propyl (PrP), and butyl (BuP)) were determined by ultra-performance liquid chromatography coupled with tandem mass-spectrometry. Generalized linear regression models were used to determine the association ...
Determination of cardiac glycosides by liquid chromatography-tandem mass spectrometry
Publication Type: Scientific poster, presentation or proceeding Authors: Svetlana V. Malysheva; Mulder PPJ; Julien Masquelier Source: RAFA 2019 (2019) Service: Contaminants organiques et additifs Organische contaminanten en additieven Organic contaminant ...
Analysis of mineral oil in food: An analytical challenge
volatility. Since these two fractions have a different toxicological relevance, it is important to quantify them separately. Commonly, an online technique existing of a combination of Liquid Chromatography with ...
Characterization and hazard identification of substandard and falsified antimicrobials encountered in Belgium
quantification of active pharmaceutical ingredients (API s) potentially present in these suspicious SF antimicrobials, are paramount. Here, a validated ultra-high performance liquid chromatography-tandem mass ...
Simultaneous determination of parabens, bisphenols and alkylphenols in human placenta by ultra-high performance liquid chromatography-tandem mass spectrometry
liquid chromatography – tandem mass spectrometry (UHPLC- MS / MS) method for the simultaneous determination of four parabens (methyl-, ethyl-, propyl-, and butyl-paraben (MeP, EtP, PrP, BuP), four ...
A strategy based on fingerprinting and chemometrics for the detection of regulated plants in plant food supplements from the Belgian market: two case studies
ingredients, though also herbal adulteration occurs and is given less attention. In this paper a two-step approach is presented based on fingerprints recorded by both infrared spectroscopy as liquid ...