Résultats de la recherche - 122 results
The European COPHES/DEMOCOPHES project: towards transnational comparability and reliability of human biomonitoring results.
specially prepared from native, non-spiked, pooled urine samples and was tested for homogeneity and stability. Four external quality assessment exercises were carried out. Highly esteemed laboratories from ...
Determination of caramel colorants' by-products in liquid foods by ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS).
Volume 31, Issue 10, p.1652-60 (2014) Keywords: Acetic Acid Analytic Sample Preparation Methods beer Beverages Chromatography, High Pressure Liquid Condiments Food Coloring Agents Food Contamination Food ...
Multi-dye residue analysis of triarylmethane, xanthene, phenothiazine and phenoxazine dyes in fish tissues by ultra-performance liquid chromatography-tandem mass spectrometry.
ultra-performance liquid chromatography-tandem mass spectrometry. Samples were extracted with acetonitrile, followed by an oxidation step using 2,3-dichloro-5,6-dicyanobenzoquinone. Further clean-up was performed by ...
Dietary exposure of the Belgian adult population to non-dioxin-like PCBs.
terms of contamination level, with the highest levels measured in the composite sample «other fishes» (18.58 ng/g FW). The dietary exposure of the Belgian population (n=3083) to ndl- PCB s ranged from ...
A proteomics approach for the quantification of Staphylococcus aureus enterotoxins a and b in several matrices using uplc-msms analysis.
the meat using isoelectric point precipitation and ultrafiltration. Afterwards the sample was overnight digested with trypsin to obtain SE-derived peptides. Only the endogenous peptides that are unique ...
Estimation of dietary aluminum exposure of the Belgian adult population: evaluation of contribution of food and kitchenware.
on 552 pooled samples. The estimated usual daily intake of Al was calculated with the Nusser method, and amounted to 0.030mg/kg bodyweight bw/day, or 21% of the Provisional Tolerable Weekly Intake ...
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.
biomonitoring projects as they made it possible to analyze large series of samples in a fast, sensitive, robust and cost-efficient manner. Health Topics: Food consumption and food safety Consommation et sécurité ...
Design of multiplex assays for molecular subtyping of pathogens with the Luminex xMAP technology
IT limitation Limitations Luminex microorganism microorganisms Molecular molecular subtyping Multiplex assay Oligonucleotides outbreak outbreaks pathogen reducing regulation Sample SOFTWARE specificity ...
Exposure to domoic acid through shellfish consumption in Belgium.
in shellfish samples. In this study the human acute and chronic exposure to DA through shellfish consumption was evaluated by linking the data of DA concentrations in samples collected in the scope of ...
Prevalence and levels of Bacillus cereus emetic toxin in rice dishes randomly collected from restaurants and comparison with the levels measured in a recent foodborne outbreak.
food. The cereulide prevalence was found to be 7.4% when samples were analyzed at the day of sampling, but reached 12.9% when exposed to temperature abuse conditions (25°C). The cereulide concentrations ...