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Zoekresultaten - 62 results

Quantitative Determination of Migrating compounds from Plastic Baby Bottles by Validated GC-QqQ-MS and LC-QqQ-MS Methods

quantification of the most important migrating compounds was further pursued. We describe the optimisation, validation and application of an LLE method for the extraction of these migrating compounds adapted to ...

Migration of 17 Photoinitiators from Printing Inks and Cardboard into Packaged Food- Results of a Belgian Market Survey

residues. After filtration, the extract was analysed using ultra‐performance liquid chromatography in combination with tandem mass spectrometry (UPLC ‐ MS / MS). Quantification was carried out using ...

Current and new approaches in GMO detection: challenges and solutions

detections of multiple GM targets (e.g., PCR capillary gel electrophoresis, microarray, and Luminex), more accurate quantification of GM targets (e.g., digital PCR), or characterization of partially known ...

Culicoides monitoring in Belgium in 2011: analysis of spatiotemporal abundance, species diversity and Schmallenberg virus detection.

Rothamsted suction traps (RST s). Quantification of the collections and morphological identification showed important variations in abundance and species diversity between individual collection sites, even for ...

Analysis of illegal peptide biopharmaceuticals frequently encountered by controlling agencies.

MS / MS) for the identification of counterfeit and illegal injectable peptide preparations, extended with a subsequent quantification method using ultra-high performance liquid chromatography with ...

Contamination of freshly slaughtered pig carcasses with enteropathogenic Yersinia spp.: Distribution, quantification and identification of risk factors.

the sternal region (16.4%), pelvic duct (7.8%), and split surface near the sacral vertebrae (6.9%). Regarding the quantification of the pathogen, the median concentration of pathogenic Y. enterocolitica ...

Rapid Determination of Ethephon in Grapes by Hydrophilic Interaction Chromatography Tandem Mass Spectrometry

chromatography Mass Mass Spectrometry method methodology Mode ON Paper performance Quantification Reduction relative Reproducibility result results Sample Samples separation STANDARD surrogate Tandem Mass ...

Pyrrolizidine alkaloids in food and feed on the Belgian market.

and quantification of 16 PA s in a broad range of matrices in the sub ng g(-1) range. The method was validated in milk, honey and hay and applied to honey, tea (Camellia sinensis), scented tea, herbal ...

Quantification of rHVT-F genome load in feather follicles by specific real-time qPCR as an indicator of NDV-specific humoral immunity induced by day-old vaccination in SPF chickens.

haemagglutination inhibition (HI) test and NDV-specific IgG, IgM and IgA ELISA s. This is the first report of quantification of rHVT-F vaccine in FF and its correlation with the induction of ND-specific immune ...

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