Results 11 to 20 of about 1,366,518 (256)

Sensitivity analysis of rapid antigen tests for the Omicron SARS-CoV-2 variant detection from nasopharyngeal swab samples collected in Santiago of Chile

open access: yesFrontiers in Public Health, 2022
The COVID-19 pandemic continues to be a concern and keeps global health authorities on alert. The RT-PCR technique has been the gold-standard assay for detecting the SARS-CoV-2 virus.
Carlos Barrera-Avalos   +16 more
doaj   +1 more source

Exploring the Recycling Model of Phobos Formation: Rubble-pile Satellites

open access: yesThe Astronomical Journal, 2023
Phobos is the target of the return sample mission Martian Moons eXploration by JAXA that will analyze in great detail the physical and compositional properties of the satellite from orbit, from the surface, and in terrestrial laboratories, giving clues ...
Gustavo Madeira   +6 more
doaj   +1 more source

Evaluation of the Abbott Alinity i Thyroid-Stimulating Hormone Receptor Antibody (TRAb) Chemiluminescent Microparticle Immunoassay (CMIA)

open access: yesDiagnostics, 2023
Background: We evaluated the performance of the Abbott thyroid-stimulating hormone receptor antibody chemiluminescent microparticle immunoassay (CMIA) on the Alinity i.
Deborah J. W. Lee   +4 more
doaj   +1 more source

Comparative evaluation of two automated immunoassays for serum thyroglobulin quantification [PDF]

open access: yesKosin Medical Journal
Background We evaluated the clinical performance of in vitro diagnostic devices for quantifying thyroglobulin (Tg), which is a key marker for monitoring and treating thyroid dysfunction.
Kyoung Ho Roh, Hyunyong Hwang
doaj   +1 more source

Quasi-conservative Integration Method for Restricted Three-body Problem

open access: yesThe Astrophysical Journal, 2023
The simplest restricted three-body problem, in which two massive points and a massless point particle attract one another according to Newton’s law of inverse squares, has pulsating Hill’s regions where the massless particle moves inside the closed ...
Yukitaka Minesaki
doaj   +1 more source

Sensitivity of SARS-CoV-2 antibody tests with late convalescent sera

open access: yesJournal of Clinical Virology Plus, 2021
SARS-CoV-2-specific IgM antibodies wane during the first three months after infection and IgG antibody levels decline. This may limit the ability of antibody tests to identify previous SARS-CoV-2 infection at later time points.
Judith Kannenberg   +10 more
doaj   +1 more source

Performance of the Abbott Architect Immuno-Chemiluminometric NT-proBNP Assay

open access: yesDiagnostics, 2022
Background: We evaluated the performance of the Abbott N-terminal pro-brain natriuretic peptide (NT-proBNP) assay against the Roche NT-proBNP immunoassay across two sites. Methods: Precision, linearity, and sensitivity studies were performed.
Chin-Shern Lau   +10 more
doaj   +1 more source

Analytical characteristics and comparative evaluation of Aptima HCV quant Dx assay with the Abbott RealTime HCV assay and Roche COBAS AmpliPrep/COBAS TaqMan HCV quantitative test v2.0

open access: yesVirology Journal, 2017
Background The Aptima HCV Quant Dx assay (Aptima assay) is a fully automated quantitative assay on the Panther® system. This assay is intended for confirmation of diagnosis and monitoring of HCV RNA in plasma and serum specimens.
A. Worlock   +11 more
doaj   +1 more source

Humoral Response after Vaccination with Half-Dose of BNT162b2 in Subjects under 55 Years of Age

open access: yesVaccines, 2021
In the context of the ongoing COVID-19 pandemic, using a half-dose schedule vaccination can help to return to normalcy in a cost-efficient manner, which is especially important for low and middle-income countries.
Krzysztof Lukaszuk   +6 more
doaj   +1 more source

Evaluation and Validation of the Roche Elecsys SARS-CoV-2 Antigen Electro-Chemiluminescent Immunoassay in a Southeast Asian Region

open access: yesVaccines, 2022
Introduction: SARS-CoV-2 antigen tests can complement and substitute for RT-PCR tests. Centralized laboratory automated SARS-CoV-2 antigen tests that can be scaled to process a large number COVID-19 cases simultaneously are now available.
Chin Shern Lau   +4 more
doaj   +1 more source

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