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The investigation aimed at preparing an ELISA kit for examination of bovine sera for brucellosis and evaluating the diagnostic properties of the test. Lipopolysaccharide extract (LPS) was used as the antigen for microplate coating, antibodies against IgG of bovine sera with horseradish peroxidase were used as the conjugate and ABTS with H202 as the substrate. A weak-positive serum prepared from the...
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