Results 1 to 10 of about 30,119 (246)

Modified Hemagglutination Tests for COVID-19 Serology in Resource-Poor Settings: Ready for Prime-Time? [PDF]

open access: yesVaccines, 2022
During the ongoing COVID-19 pandemic, serology has suffered several manufacturing and budget bottlenecks. Kode technology exposes exogenous antigens on the surface of cells; in the case of red blood cells, modified cells are called kodecytes, making ...
Daniele Focosi   +2 more
doaj   +2 more sources

Cost utility analysis of diagnostic method of syphilis [PDF]

open access: yesOnline Journal of Health & Allied Sciences, 2008
Presently, the diagnosis of syphilis is dependent mainly on serological tests. The most widely used screening tests for syphilis are the VDRL and the rapid plasma reagin (RPR) and for confirmation, the fluorescent treponemal antibody (FTA) and the ...
Viroj Wiwanitkit
doaj   +2 more sources

Evaluation of the seropositivity of patients with cystic echinococcosis in Konya, Turkey

open access: yesJournal of Contemporary Medicine, 2021
Aim: Diagnosis of echinococcosis is based on clinical symptoms, imaging techniques and particularly on the detection of specific antibodies in serum specimens of patients.
Salih Maçin   +2 more
doaj   +1 more source

Seroprevalence of mycoplasmosis in broiler, layer, and native chickens in Giza, Egypt.

open access: yesPLoS ONE, 2021
We aimed to investigate Mycoplasma infections among chicken flocks (Ross, Lohmann and native) in Giza, Egypt, using serological tests, including the slide plate agglutination (SPA) test, hemagglutination inhibition (HI) test, and enzyme-linked ...
Saeed El-Ashram   +4 more
doaj   +1 more source

Conventional serological performance in diagnosis of Chagas' disease in southern Brazil

open access: yesBrazilian Journal of Infectious Diseases, 2013
Results of Chagas' disease diagnosis show disagreement. The aim of this study was to compare commercial tests for Chagas' disease serodiagnosis in southern Brazil. A total of 161 samples were evaluated.
Anelise Bergmann Araújo   +1 more
doaj   +5 more sources

Serological evidence for Japanese encephalitis and West Nile virus infections in domestic birds in Cambodia [PDF]

open access: yes, 2020
Mosquito-borne flaviviruses with an enzootic transmission cycle like Japanese encephalitis virus (JEV) and West Nile virus (WNV) are a major public health concern.
Auerswald, Heidi   +10 more
core   +3 more sources

Hemagglutination treponemal test for syphilis [PDF]

open access: yesJournal of Clinical Microbiology, 1983
Sera from 290 hospital patients were tested to compare the sensitivity, specificity, and reproducibility of the hemagglutination treponemal test for syphilis (HATTS) with the fluorescent treponemal antibody absorption test (FTA-ABS). Complete agreement was obtained between the methods when 142 syphilitic sera from patients with various stages of ...
G, Friedly   +5 more
openaire   +2 more sources

Prevalence study of yaws in the Democratic Republic of Congo using the lot quality assurance sampling method. [PDF]

open access: yes, 2009
BACKGROUND: Until the 1970s the prevalence of non-venereal trepanomatosis, including yaws, was greatly reduced after worldwide mass treatment. In 2005, cases were again reported in the Democratic Republic of the Congo. We carried out a survey to estimate
Dhorda, M   +9 more
core   +9 more sources

Evaluation of immunogenicity of the 2008-2009 seasonal influenza vaccines by microneutralization test [PDF]

open access: yesKorean Journal of Pediatrics, 2012
PurposeFor evaluating the immunogenicity of an influenza vaccine, the microneutralization (MN) test has a higher sensitivity and specificity as compared to the hemagglutination inhibition (HI) test.
Seung Youn Kim   +8 more
doaj   +1 more source

An Improved Diluent for Rubella Hemagglutination and Hemagglutination-Inhibition Tests [PDF]

open access: yesApplied Microbiology, 1968
Rubella hemagglutinating (HA) antigen was prepared in BHK-21 tissue as 5% cell suspensions and from unconcentrated and 20× concentrated infected supernatant fluids. In some instances, unconcentrated fluids were treated with Tween 80 and ether; cell suspensions were treated with ether alone.
A E, Auletta   +3 more
openaire   +2 more sources

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