نتایج جستجو برای: serological tests
تعداد نتایج: 352720 فیلتر نتایج به سال:
A total of 6684 sera were initially screened for syphilis by the Venereal Disease Research Laboratory (VDRL) test and the Treponema pallidum haemagglutination assay (TPHA). Reactive sera from either or both these tests were tested for confirmation by the fluorescent treponemal antibody-absorbed (FTA-ABS) test. VDRL biological false positive reactors were detected in 0.5% of the total sera exami...
A proficiency testing panel for detecting antibodies against Brucella abortus was developed and evaluated by both primary binding and conventional serological tests, using the guidelines of the World Organisation for Animal Health and the International Organization for Standardization Guide 43-1. All serological tests were judged satisfactory. Among the primary binding tests, the competitive en...
Numerous serological tests for syphilis have been devised; there is, however, little information available indicating which test or combination of tests gives the most reliable results in routine serological work. The present paper attempts to answer this question. Five modern serological tests, differing from each other as widely as possible, were applied to a series of 470 serums from syphili...
Four serological tests and three immunofluorescence tests for IgG, IgM, and IgA were compared for value in the investigation of brucellosis in veterinary surgeons. No one serological test stood out over the others, and the immunofluorescence tests did not appear to have advantages over the serological tests. If a laboratory is limited in time and resources then the saline agglutination or the c...
When brucellosis false positive serological reactions happen in cattle, the serial use of pairs of specificity-correlated serological tests (rose bengal, complement fixation, competitive ELISA) results in specificities lower than expected. In this situation, highly specific tests, such as the indirect ELISA used alone, may be more adequate than serial testing.
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