Search results - 29 results
Method development for analysis of nanoplastics in drinking water and milk using transmission electron microscopy (TEM)
energy-dispersive X-ray spectroscopy (STEM- EDX) allowed differentiating plastic particles from mineral contaminants on the grid by their elemental composition. The limit of detection, determined by the sample ...
The impact of ecosystem nitrogen enrichment on pollen allergy: a cross-sectional paired comparison study
nitrogen-enriched (fertilised) and non-enriched common semi-natural grasslands in Belgium. Pollen from paired grasslands (n=50, enriched [n=25] vs non-enriched [n=25]) based on their common geography, were sampled ...
A validation methodology for size and shape measurement of nanoplastics by transmission electron microscopy
[3]. This validation encompasses all analysis steps, from sample preparation to image analysis, focusing on reference materials composed of polystyrene nanoplastics. By establishing the full measurement ...
Characterization of functional nanoparticles applied in face masks by STEM-EDX
part of a composite material, however, this is not always correctly advertised [1]. In addition, the presence of titanium dioxide (TiO2) nanoparticles, acting as a whitening and mattening agent, in ...
Disparities in COVID-19 Vaccination in Belgium
SARS-CoV-2 (LINK- VACC sample), demographic and socio-economic indicators were derived and their impact on vaccination coverages at an aggregated geographical level (municipality) was quantified via the use of ...
Spectroscopic approaches for conformity analysis of e-liquids
Therefore, it is necessary to monitor the compositions of the products on the market and conduct surveillance studies. In Belgium this is performed under the coordination of the Federal Public Service of ...
Time trends in the use of field-substitution in the Belgian health interview survey
total number of participating households has slightly increased. CONCLUSION: Field-substitution in BHIS plays a very substantial role in obtaining the requested net sample both in size and composition ...
Organizing the health interview survey at the local level: design of a pilot study.
younger adults, and women more than men. CONCLUSION: The LHIS can be successfully implemented in Flemish municipalities. The method, however, does not guarantee that the composition of the final sample ...
Importance of anti-SARS-CoV-2 assay antigenic composition as revealed by the results of the Belgian external quality assessment (EQA) scheme.
Immunoglobulin A Immunoglobulin G Immunoglobulin M Male Phosphoproteins SARS-CoV-2 Sensitivity and Specificity Spike Glycoprotein, Coronavirus Abstract: We report on sample IS /17575 since it generated highly ...
Changes in quality-adjusted life expectancy in Belgium, 2013 and 2018
oL and its dimensions to this trend. Methods. The Belgian Health Interview Survey (BHIS), a representative sample of the general population, included the EQ-5D-5L instrument in 2013 and 2018. The tool ...