Résultats de la recherche - 13 results

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

systems and administrative sources were leveraged to estimate a causal effect. A Directed Acyclic Graph was formalized to identify confounding factors. The target population consisted of adult COVID-19 ...

Incidence and Risk Factors of COVID-19 Vaccine Breakthrough Infections: A Prospective Cohort Study in Belgium.

associated with breakthrough infections were analyzed using COX proportional hazard models. Among 8,062,600 fully vaccinated adults, we identified 373,070 breakthrough infections with an incidence of 11.2 (95% ...

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

literature data was developed to identify potentially genotoxic e-liquid flavourings. Based on the analysis of 129 e-liquids collected on the Belgian market, 60 flavourings with positive in silico predictions ...

Chemical and toxciological characterization of e-liquid cigarettes

As such, 807 flavouring substances were identified in 129 e-liquids using complementary HS- GC MS methods. In a first step, all these substances were screened for genotoxicity using qualitative 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.

an analytical method based on hydrophilic interaction liquid chromatography (HILIC) to identify and quantify the most frequently encountered illegal peptides on the European market. For this objective, ...

Development and validation of a HS/GC-MS method for the simultaneous analysis of diacetyl and acetylpropionyl in electronic cigarette refills

Number 224, p.218- 224 (2017) Keywords: Analyses analysi analysis approach AS Belgium bias Brussels Control Development electronic EVALUATION food health identify Institute IS journal measurement Medicine ...

Chromatographic fingerprinting as a strategy to identify regulated plants in illegal herbal supplements.

explore the potential use of chromatographic fingerprinting to identify plants present in herbal preparations intended for the treatment of ED. To achieve this goal, a HPLC- PDA and a HPLC- MS method were ...

An application of mass spectrometry for quality control of biologicals: Highly sensitive profiling of plasma residuals in human plasma-derived immunoglobulin.

Without any prior information or target-specific development, >30 proteins were identified in a commercial Ig product. Quality control relevance was demonstrated with the identification of FXI a spiked ...

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