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Résultats de la recherche - 23 results
Optimization and validation of an analytical method for the quantification of short- and medium-chained chlorinated paraffins in food by gas chromatography-mass spectrometry
ECNI / MS). A dispersive solid phase extraction (dSPE) method was optimized for fish, meat, oil, milk and whole-grain cereal followed by clean-up with concentrated sulfuric acid and acid silica ...
Is aggregated synthetic amorphous silica toxicologically relevant?
amorphous silica Abstract: Background: The regulatory definition(s) of nanomaterials (NM s) frequently uses the term ‘agglomerates and aggregates’ (AA) despite the paucity of evidence that AA are ...
Analysis of mineral oil in food: An analytical challenge
technique (offline) can be implemented. The offline technique exists of separation of both fractions by Solid Phase Extraction (SPE) using silver nitrate/silica followed by evaporation and quantitative ...
Influence of dispersion method on silica nanoparticle size distribution/aggregation and their chronic toxicity in-vitro
Publication Type: Scientific poster, presentation or proceeding Authors: Sivakumar Murugadoss; van den Brûle, Sybille; Sebaihi, Noham; Frederic Brassinne; Jan Mast; Godderis, Lode; Lison, Dominique; Hoet, Peter H. Source: (2017) Health Topics: Nanomateri ...
Short-term biodistribution and clearance of intravenously administered silica nanoparticles
Yves-Jacques; Ann Ruttens; S. Roels Source: Toxicology Reports, Volume 5, Number 638 (2018) Keywords: distribution in vivo intravenous exposure nanomaterials synthetic amorphous silica Abstract: Recently, ...
Short-term biodistribution and clearance of intravenously administered silica nanoparticles
Publication Type: Peer reviewed scientific article Authors: Nadia Waegeneers; Anne Brasseur; Van Doren, Elke; Van der Heyden, Sara; Pieter-Jan Serreyn; Pussemier, Luc; Jan Mast; Schneider, Yves-Jacques; Ann Ruttens; S. Roels Source: Toxicology Reports, Vo ...
Development and validation of a quantitative UHPLC-MS/MS method for selected brominated flame retardants in food.
acidified silica (44%, w/w). The limits of quantification of the method varied widely for the types of food matrices and the different classes of BFR s from 4 pg g(-1) wet weight (ww) to 8 ng g(-1) ww. For ...
Validation of a particle tracking analysis method for the size determination of nano- and microparticles.
colloidal silica and polystyrene latex reference materials with particle sizes in the range of 20 nm to 200 nm were analysed with NS500 and LM10- HSBF NanoSight instruments and video analysis software NTA 2.3 ...
Toxicology of silica nanoparticles: an update
H. Source: Archives of Toxicology, Volume 91, Number 3010 (2017) Keywords: Amorphous silica nanoparticles Oxidative Stress Pyrogenic Stöber toxicity Abstract: Large-scale production and use of ...
LC-MS-based analytical method for quantification of selected brominated flame retardants in food commodities
public Quantification recommendation regression Regression model result results S SAFETY Sample Samples seafood SENSITIVITY separation Service silica Solutions Solvents STANDARD standards structure ...