Search results - 118 results
Development of a sample preparation method for the GC-analysis of e-cigarette refill liquids
issue, a proper sample preparation is needed, to improve the life span of the column and reduce the total number of cuts in the GC-column. The aim of our study is to quantify potential harmful flavourings ...
Physicochemical Characterisation of the E171 Food Additive
CEN / TC 352 guidelines. The E171 samples were purchased on the Belgian market or were obtained from European producers. To measure the minimal external dimension of the constituent particles of E171, ...
Open Lab Application for the Characterization of Nanomaterials by Transmission Electron Microscopy
complex matrices such as food, cosmetics, medicines and environmental samples. A high degree of automation of the EM imaging and image analysis was recently developed to facilitate the measurement of ...
RNA-based drug susceptibility testing of Mycobacterium tuberculosis
format. In short, 200 µl of a positively flagged MGIT culture is spiked with a specific concentration of a drug, while a control sample is incubated in absence of the drug. Multiplex mRNA quantification is ...
Screening for nanoparticles in complex matrices within a regulatory framework: are we there yet?
samples of E174 and ten food items containing E174 were investigated for their number-based size distribution of Ag particles. The food items were as well investigated for their total Ag content. Single ...
Levels of organochlorinated pesticide residues and other persistent organic pollutants in breast milk: the Belgian results from the 6th WHO-coordinated survey
halogenated Persistent Organic Pollutants (POP s) DIOXIN 2018 Belgium participated in the 6th WHO coordinated survey on POP s in breast milk POP s levels in Belgian breast milk samples still decrease ...
Arsenic Speciation Analysis Elucidates the Risk Assesment of Food Supplements with Ingredients of Marine Origin. 9th Nordic Conference on plasma spectrochemistry
the consumption of these types of FS, based on 60 samples collected in a Belgian market study. In this context, the determination of the most toxic fraction, inorganic arsenic (As i) and the non-toxic ...
Human absorption of silver ENM: through particles or ions?
collected. After 24 hours, selected tissues were sampled and total Ag concentrations were measured by ICP- MS. After treatment by IV injection with the silver salt, largest Ag concentrations were found in the ...
Measurement equivalence of the Belgian health interview auto-questionnaire: paper-based versus web-based mode.
Epidemiological Methods for Implementation Research, Issue Nederlandse Epidemiologie Vereniging (2017) Keywords: Adult Belgium Female health surveys Humans Internet Male Paper Sample Size Self Administration ...
MALDI-TOF for the identification of Mycobacteria and their drug resistance profiles
cultures. In total 88.6% (172/194) of the samples were correctly identified on the species-level using a cut-off score of 1.8 and 91.75% (178/194) using a cut-off of 1.65. All samples of the Mycobacterium ...