Résultats de la recherche - 31 results
Sample preparation methods for elemental analysis in electronic cigarette aerosols: a critical review
selected, a wide variability in sample preparation was observed, specifically variations in aerosol generation characteristics and collection techniques. Despite the widespread use of methods as filters and ...
Evaluating MIR and NIR Spectroscopy Coupled with Multivariate Analysis for Detection and Quantification of Additives in Tobacco Products.
multivariate analysis, as potential solutions for the detection and quantification of additives in tobacco products. So, a representative set of tobacco products was selected and spiked with the targeted ...
Characterization of functional nanoparticles applied in face masks by STEM-EDX
biocides (5 Ag, 1 unspecified) was advertised, and 4 masks, demonstrated to contain TiO2 (2 of them also had Ag advertised) were selected to assess the form, localization and measurement of Ag (and other ...
Personalized bacteriophage therapy outcomes for 100 consecutive cases: a multicentre, multinational, retrospective observational study.
infections, and involved combinations of 26 bacteriophages and 6 defined bacteriophage cocktails, individually selected and sometimes pre-adapted to target the causative bacterial pathogens. Clinical ...
Spectroscopic approaches for conformity analysis of e-liquids
taurine, vitamin E and CBD in e-liquids. Therefore a set of 236 e-liquids was selected. Since samples with caffeine, taurine, CBD and vitamin E as additives were hard to find, some of the samples were split ...
Controlled Human Infection Studies: Proposals for guidance on how to design, develop and produce a challenge strain.
regulatory or advisory bodies. This document is intended to discuss fundamental principles of selection, characterization, manufacture, quality control and storage of challenge agents for international ...
Development of a multiplex immunoassay for simultaneous detection of antigens in DTaP vaccines
was carried out through in-depth monoclonal antibody characterization to determine the best antibody pairs to use in the antibody-antigen sandwich approach. Selected antibody pairs were used for ...
CBD oils on the Belgian market: A validated MRM GC-MS/MS method for routine quality control using QuEChERS sample clean up
method for the routine analysis of CBD oil samples. Eighteen CBD samples were selected on the Belgium market for analysis. This method allows the quantification of CBD, the legality check for the Δ9- THC ...
Identification of flavouring substances of genotoxic concern present in e-cigarette refills
transhexanal, there was a clear concern for in vivo genotoxicity. A selection of 4 out of the remaining 22 flavourings was tested in two in vitro genotoxicity assays. Three out of the four tested flavourings ...
Human challenge trial workshop: Focus on quality requirements for challenge agents, Langen, Germany, October 22, 2019.
challenge agents; a focus on strain selection, in particular with regard to strain infectivity, stability and purity; the use of whole genome sequencing; a reference repository of challenge agents, the need ...