Radial immunodiffusion
Radial Immunodiffusion (pronounced: /ˈreɪdiəl ˌɪmjʊnəʊdɪˈfjuːʒən/) is a method used in Immunology to determine the concentration of antibodies in a sample.
Etymology
The term "Radial Immunodiffusion" is derived from the process itself. "Radial" refers to the radial spread of antigens or antibodies, "Immuno" refers to the immune system, and "diffusion" refers to the process of spreading out.
Process
In Radial Immunodiffusion, a known antigen is mixed with a gel containing specific antibodies. The antigen diffuses radially into the gel and forms a precipitate with the antibody. The diameter of the precipitate ring is directly proportional to the concentration of the antigen in the sample. This method is used to quantify the amount of specific antibodies in a patient's serum, which can be useful in diagnosing various diseases.
Related Terms
- Immunology: The branch of medicine and biology concerned with immunity.
- Antibodies: Proteins produced by the immune system to neutralize harmful substances.
- Antigen: A substance that induces an immune response in the body.
- Diseases: A particular abnormal condition that negatively affects the structure or function of all or part of an organism.
See Also
External links
- Medical encyclopedia article on Radial immunodiffusion
- Wikipedia's article - Radial immunodiffusion
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