نتایج جستجو برای: screening tests
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This paper describes an indirect enzyme-linked immunosorbent assay (I-ELISA) and a fluorescence polarisation assay (FPA), each capable of detecting antibody in several species of hosts to smooth and rough members of the genus Brucella. The I-ELISA uses a mixture of smooth lipopolysaccharide (SLPS) and rough lipopolysaccharide (RLPS) as the antigen, and a recombinant protein A/G conjugated with ...
The slide agglutination test (SAT), microagglutination test (MAT), and card agglutination test (CAT) were compared with each other, using the tube agglutination test (TAT) as the standard method, by two reference laboratories to determine effectiveness as screening tests for human brucellosis. TAT titers of 1,253 sera tested in both laboratories were compared. In one laboratory, 1,270 sera were...
We investigated the stability of certain erythrocytic enzymes as assayed qualitatively by fluorescence spot tests. Preservation of the activities of glucose6-phosphate dehydrogenase (GPD), pyruvate kinase (PK), triose phosphate isomerase (TPI), glutathione reductase (GTD), and NADH diaphorase (ND) in heparin, glucose-EDTA, or Alsever’s solution was studied at -20#{176}C and 30#{176}C. In Alseve...
Screening tests are widely used in medicine to assess the likelihood that members of a defined population have a particular disease. This article presents an overview of such tests including the definitions of key technical (sensitivity and specificity) and population characteristics necessary to assess the benefits and limitations of such tests. Several examples are used to illustrate calculat...
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