radial immunodiffusion

radial immunodiffusion
(RID) a quantitative immunodiffusion technique in which the antigen solutions are placed in wells cut in an agar plate containing antiserum; the area or diameter of the precipitin ring around an unknown solution is compared with the rings of a serial dilution of a standard antigen solution to determine the amount of antigen present in the unknown. Called also single radial diffusion.

Medical dictionary. 2011.

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  • RID — Abbreviation for radial immunodiffusion. * * * radial immunodiffusion; reduced interference distribution; remission inducing drug; ruptured intervertebral disc * * * radial immunodiffusion …   Medical dictionary

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