Zoekresultaten - 33 results

COVID-19 vaccine effectiveness against symptomatic infection and hospitalisation in Belgium, July 2021 to May 2022.

hospitalisation (VE h), given time since vaccination and prior infection.MethodsNationwide healthcare records from July 2021 to May 2022 on testing and vaccination were combined with a clinical hospital survey. We ...

Homologous versus heterologous prime-boost COVID-19 vaccination: impact on clinical severity of Omicron among hospitalized COVID-19 patients in Belgium

patients admitted to a Belgian hospital after the start of the booster vaccination campaign. Only patients with a SARS-CoV-2 Omicron infection (BA.1, BA.2, or BA.4 and BA.5 combined (BA.⅘) sub-lineages) ...

The GEONs API-fingerprint program: Tackling falsifications of APIs

atypical market surveillance studies (MSS), where an MSS (analysis according to the Ph. Eur.) is combined with a fingerprint study (MSSFP). An MSS, according to Ph. Eur. only gives an indication of the ...

Importance of anti-SARS-CoV-2 assay antigenic composition as revealed by the results of the Belgian external quality assessment (EQA) scheme.

targeting N protein were negative. The survey shows, when >6 months post-infection, assays targeting at least S1, and preferably S1 combined with S2, are the most sensitive. This finding accentuates the ...

Development of vibrational spectroscopic methods combined with chemometrics for the detection and quantification of nicotine in e-liquids.

be respected (< 20mg/ml). The main objective of this paper is to develop a handheld NIR, Raman or SERS spectroscopic method combined with chemometrics (PLS and PCA) for detection and quantification ...

Development of a multiplex immunoassay for simultaneous detection of antigens in DTaP vaccines

antibody of the sandwich assay to determine the most favorable combination to use in the multiplex assay (better signal-to-noise ratio). As a proof of concept, the potency of 18 batches from HuB was compared ...

CBD oils on the Belgian market: A validated MRM GC-MS/MS method for routine quality control using QuEChERS sample clean up

instruments and reduce the lifetime of the chromatographic columns. This paper proposes a procedure combining a sample cleanup by QuEChERS, removing the oily matrix, followed by a validated MRM GC- MS / MS ...

Identification of flavouring substances of genotoxic concern present in e-cigarette refills

establish a screening strategy to prioritize the flavouring substances of highest concern for human health. In the present study, a prioritization strategy combining analytical screening, in silico tools and ...

Identification of Flavouring Substances of Genotoxic Concern Present in E-Cigarette Refills

cancer. Therefore, in this study, a prioritization strategy based on a combination of analytical screening, in silico prediction and literature consultation was developed for identifying potentially ...

Analysis of illegal peptide drugs via HILIC-DAD-MS.

most frequently encountered illegal peptides on the internet in a total run time of 35min including post gradient equilibration and online cleaning step. Combined with a previously developed RPLC-method, ...

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