Résultats de la recherche - 384 results
Changes in household food and drink purchases following restrictions on the advertisement of high fat, salt, and sugar products across the Transport for London network: A controlled interrupted time series analysis
and body mass index. Using a controlled interrupted time series design, we estimated average weekly household purchases of energy and nutrients from HFSS products in the post-intervention period (44 ...
Interim 2022/23 influenza vaccine effectiveness: six European studies, October 2022 to January 2023.
settings.MethodsAll studies used the test-negative design, but with differences in other study characteristics, such as data sources, patient selection, case definitions and included age groups. Overall and influenza ...
Comparison and validation of metadta for meta-analysis of diagnostic test accuracy studies.
Research Design SOFTWARE Abstract: We developed metadta, a flexible, robust, and user-friendly statistical procedure that fuses established and innovative statistical methods for meta-analysis, ...
Development of a Droplet Digital PCR to Monitor SARS-CoV-2 Omicron Variant BA.2 in Wastewater Samples
assay. Subsequently, the sensitivity and specificity of the T19I assay were successfully experimentally evaluated. Thanks to our specific method design, the positive signal from the mutant probe and ...
Challenges in Drug Surveillance: Strengthening the Analysis of New Psychoactive Substances by Harmonizing Drug Checking Services in Proficiency Testing.
up-to-date information on NPS. Health Topics: New psychoactive substances (research chemicals) Nieuwe psychoactieve substanties (designer drugs) Nouvelles substances psychoactives Service: Médicaments et ...
Assessment of the clinical and analytical performance of the Aptima SARS-CoV-2 assay using the VALCOR protocol.
a study protocol designed to set up a framework for test validation of SARS-CoV-2 virus assays. Using clinical samples collated from VALCOR, the performance of Aptima SARS-CoV-2 assay was assessed against ...
Comparison of 6 DNA extraction methods for isolation of high yield of high molecular weight DNA suitable for shotgun metagenomics Nanopore sequencing to detect bacteriaAbstractBackgroundResultsConclusion
level, were specifically designed for this application and need to be assessed. Results: In this study, with different bacterial cocktail mixes, analyzed as pure or spiked in a synthetic fecal matrix, we ...
Development of a Taxon-Specific Real-Time Polymerase Chain Reaction Method to Detect Trichoderma reesei Contaminations in Fermentation Products
food industry to produce fermentation products, a novel real-time PCR method specific to this fungal species was developed and validated in this study to reinforce the GMM detection strategy. Designed to ...
Burden of infectious disease studies in Europe and the United Kingdom: a review of methodological design choices
Publication Type: Peer reviewed scientific article Authors: Charalampous, Periklis; J A Haagsma; Lea S Jakobsen; Vanessa Gorasso; Noguer, Isabel; Padron-Monedero, Alicia; Sarmiento, Rodrigo; Santos, João Vasco; McDonald, Scott A; Plass, Dietrich; Grant M ...
Application of silver-based biocides in face masks intended for general use requires regulatory control
the applications of silver-based biocides and for the implementation of regulatory standards, quality control and product development based on the safe-by-design principle for nanotechnology ...