Résultats de la recherche - 448 results
Reliability of Morphological and PCR Methods for the Official Diagnosis of Aethina tumida (Coleoptera: Nitidulidae): A European Inter-Laboratory Comparison.
specificity. Sensitivity was satisfactory for all the participants and both types of methods, thus fully meeting the diagnostic challenge of confirming all truly positive cases as positive. Two participants ...
In Vivo Kinetics and Biotransformation of Aflatoxin B1 in Dairy Cows Based on the Establishment of a Reliable UHPLC-MS/MS MethodDataSheet1.docx
a clearance period that ended with a single dose trial of an AFB1-contaminated diet of 40 μg kg−1 b.w. An ultra-high performance liquid chromatography tandem mass spectrometry method was developed and ...
Maturation of Esophageal Motility and Esophagogastric Junction in Preterm Infants
and to describe maturational changes. Methods: Four consecutive high-resolution manometry studies with impedance studies were performed weekly to investigate esophageal motility and EGJ function. ...
Poor antibody response to BioNTech/Pfizer COVID-19 vaccination in SARS-CoV-2 naïve residents of nursing homes.
death and may respond poorly to vaccination because of old age and frequent comorbidities. METHODS: Seventy-eight residents and 106 staff members, naïve or previously infected with SARS-CoV-2, were ...
COVID-19 and people who use drugs: Impact of the pandemic on general anxiety and depressive disorders among adults in Belgium.
and depressive disorders among PWUD. Furthermore, we wanted to compare the prevalence of these disorders with that of members from the general population who did not use drugs. METHODS: We used ...
Metagenomic sequencing determines complete infectious bronchitis virus (avian Gammacoronavirus) vaccine strain genomes and associated viromes in chicken clinical samples.
identified both fixed and minor frequency variations in the tissue sample compared to its in ovo-passaged virus. Metagenomic methods allow the determination of complete coronavirus genomes from clinical ...
Unravelling data for rapid evidence-based response to COVID-19: a summary of the unCoVer protocol.
epidemiological research questions arising from the evolving pandemic. METHODS AND ANALYSIS: From the onset of the COVID-19 pandemic, partners are gathering RWD from electronic health records currently including ...
The prior infection with SARS-CoV-2 study (PICOV) in nursing home residents and staff- study protocol description and presentation of preliminary findings on symptoms.
past infection (naïve) in residents and staff members of nursing homes. This paper describes the study design and population characteristics at baseline. METHODS: In 26 Belgian nursing homes, all ...
Strategy to Develop and Evaluate a Multiplex RT-ddPCR in Response to SARS-CoV-2 Genomic Evolution.
assays during and after the development of the assays. Besides this first essential in silico evaluation, a minimal set of testing was proposed to generate experimental evidence on the method performance, ...
Controlled Human Infection Studies: Proposals for guidance on how to design, develop and produce a challenge strain.
followed by use of qualified methods to test critical steps in the manufacturing process, or the final product itself. These activities are complementary: GMP rules, which intervene only at the time of the ...