نتایج جستجو برای: serodiagnosis
تعداد نتایج: 1753 فیلتر نتایج به سال:
A combined hepatitis C virus (HCV) antigen-antibody assay was evaluated for 115 seronegative individuals with occult HCV infection. The assay was reactive in one patient and negative to weakly reactive in three others (all four gave indeterminate results by supplemental assay) but failed to detect HCV in the remaining patients. Despite increased sensitivity the combined assay does not improve s...
Analysis of the specificity of human antibodies to antigens of Leishmania braziliensis braziliensis.
The antigenicity of promastigotes of Leishmania braziliensis braziliensis (L. b. braziliensis) treated with 1% sodium desoxycholate in 10 mM Tris-Hcl pH 8.2 was analysed by immunoblot using as probes sera from American cutaneous leishmaniasis (ACL), American visceral leishmaniasis (AVL), schistosomiasis, malaria and Chagas' disease. The ACL sera reacted constantly with a 60 kD band. No reactivi...
An immunochromatographic test (ICT) for the rapid detection of antibodies to Echinococcus multilocularis was developed. The ICT showed a sensitivity of 94% and a specificity of 95.4%. High degrees of agreement were observed between the ICT and an enzyme-linked immunosorbent assay (kappa = 0.93) and between the ICT and immunoblot analysis (kappa = 0.97). It is expected that the ICT developed in ...
The enzyme-linked immunosorbent assay (ELISA) technique, using an ultrasonicate of Treponema pallidum as antigen, has been evaluated as a serological test for syphilis. It is concluded that the test is simple, reliable, and relatively quick and that its sensitivity in all stages of syphilis is equal to the FTAABS test. Because its specificity is probably also high, ELISA might be used in future...
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