Zoekresultaten - 70 results

Urine concentrations of Arsenic and its species in adolescents from Wallonia (Belgium).

inorganic arsenic) in a sample of 281 adolescents (aged 12-19y) for the BMH- WAL survey (2019-2020) using inductively coupled plasma mass spectrometry. The participants completed self-administered ...

CHROMATOGRAPHIC FINGERPRINT DEVELOPMENT FOR THE DETECTION OF TRIBULUS TERRESTRIS IN PLANT FOOD SUPPLEMENTS

by preparing triturations of TT with herbal matrices in varying ratios (½, ⅕, 1/10, 1/15, ½0). Twenty unknown samples were screened for TT and further confirmation was carried out by UH ¨ PLC-mass ...

Characterization and risk identification of falsified medicines and adulterated dietary supplements

chemometrics to detect prohibited or regulated plants in herbal mixtures. In a new project the service is turning towards multi-dimensional fingerprints and mass spectrometry fingerprints in order to augment ...

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 ...

Determination of cardiac glycosides by liquid chromatography-tandem mass spectrometry

Publication Type: Scientific poster, presentation or proceeding Authors: Svetlana V. Malysheva; PPJ Mulder; Julien Masquelier Source: RAFA 2019 (2019) Service:  Contaminants organiques et additifs Organische contaminanten en additieven Organic contaminant ...

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 ...

Validation of single particle ICP-MS for routine sizing and quantification of the fraction of silver nanoparticles in E174 food addititves and confectionery products

for validated methods to size and quantify these particles. Single particle inductively coupled plasma-mass spectrometry (spICP- MS) is thereby a promising technique as it is capable of sizing and ...

DETERMINATION OF ALLERGENIC FRAGRANCE INGREDIENTS IN FEMININE ABSORBENT HYGIENE PRODUCTS AND LUBRICANTS

A liquid-liquid extraction was used as a sample ‘clean-up’ for lubricants. The sample was then injected using gas chromatography-flame ionization-mass spectrometry (GC- FID- MS). The AHP s were analyzed using a HS- ...

Screening for nanoparticles in complex matrices within a regulatory framework: are we there yet?

particle inductively coupled plasma – mass spectrometry (spICP- MS) was studied as a screening tool to determine the number-based size distribution of Ag particles, their particle number and mass ...

Evaluation of Non-Tuberculous Mycobacteria identification with maldi-tof mass spectrometry by applying sonication: a multicenter study

Publication Type: Scientific poster, presentation or proceeding Authors: EU Mycobacteria-MALDI study group; An Van den Bossche; Pieter-Jan Ceyssens Source: ECCMID 2018, Issue ESCMID, Madrid, Spain (2018) Health Topics:  Tuberculosis Tuberculose Tuberculos ...

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