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How to measure anti-dna antibody using farr assay?
2 doctors weighed in

Dr. John Goldman
Internal Medicine - Rheumatology
1 doctor agrees
In brief: Radioactivity
The farr assay is a radioimmunologic assay.
It uses radiolabeled antigens to detect specific antibodies in serum. The antigens are allowed to react with the serum and then precipitated using a special reagent such as protein a sepharose beads. The bound radiolabeled immunoprecipitiate is commonly analzyed by gel electrophoresis.

In brief: Radioactivity
The farr assay is a radioimmunologic assay.
It uses radiolabeled antigens to detect specific antibodies in serum. The antigens are allowed to react with the serum and then precipitated using a special reagent such as protein a sepharose beads. The bound radiolabeled immunoprecipitiate is commonly analzyed by gel electrophoresis.
Dr. John Goldman
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