نتایج جستجو برای: diagnostic serological assays
تعداد نتایج: 415011 فیلتر نتایج به سال:
Abstract Evaluation and power of seroprevalence studies depend on the performed serological assays. The aim this study was to assess four commercial tests from EUROIMMUN, DiaSorin, Abbott, Roche as well an in-house immunofluorescence neutralization test for their capability identify SARS-CoV-2 seropositive individuals in a high-prevalence setting. Therefore, 42 social working contacts German su...
BACKGROUND Several serological assays have been developed to detect antibodies elicited against infections with oncogenic human papillomavirus (HPV) type 16. The association between antibody levels measured by various assays and subsequent HPV infection risk may differ. We compared HPV16-specific antibody levels previously measured by a virus-like particle (VLP)-based direct enzyme-linked immun...
BACKGROUND Tularemia is a rare zoonotic disease caused by the Gram-negative bacterium Francisella tularensis. Serology is frequently the preferred diagnostic approach, because the pathogen is highly infectious and difficult to cultivate. The aim of this retrospective study was to determine the diagnostic accuracy of tularemia specific tests. METHODS The Serazym®Anti-Francisella tularensis ELI...
Hemoprotozoan parasites pose a serious threat to the livestock population in terms of mortality, reduced milk yield and lowered draft power. Diagnosis of these diseases often poses a challenging task. Needless to say that impact of disease in health and productivity is huge though a fair economic assessment on the quantum of economic loss associated is yet to be worked out from India. The diagn...
background: the objective of this study was to find an appropriate approach to asymptomatic malaria in elimination setting through a systematic review. methods: a broad search was conducted to find articles with the words ‘malaria’ in their titles and ‘asymptomatic’ or ‘submicroscopic’ in their texts, irrespective of the type of study conducted. the cochrane, medline/pubmed, and scopus databas...
In the framework of the Dutch control program for small ruminant lentiviral (SRLV) infections, too many drawbacks were encountered with respect to serological testing. To improve the quality of testing, five enzyme-linked immunosorbent assays (ELISAs) and an agar gel immunodiffusion test (AGIDT) were evaluated. The focus was on the sensitivity, specificity, and variances of the commercially ava...
In this paper, we review serological and molecular based methods to identify HIV infection recency. The accurate identification of recent HIV infection continues to be an important research area and has implications for HIV prevention and treatment interventions. Longitudinal cohorts that follow HIV negative individuals over time are the current gold standard approach, but they are logistically...
Assay validation is a series of the following interrelated processes: an experimental process: reagents and protocols are optimised by experimentation to detect the analyte with accuracy and precision, and to ensure repeatability and reproducibility in the assay. a relative process: its diagnostic sensitivity and diagnostic specificity are calculated relative to test results obtained from refer...
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