Immunodiffusion
Immunodiffusion is a diagnostic test which involves diffusion through a substance such as agar[1] which is generally soft gel agar (2%) or agarose (2%), used for the detection of antibodies or antigen.
The commonly known types are:
- Single diffusion in one dimension (Oudin procedure)
- Double diffusion in one dimension (Oakley Fulthorpe procedure)
- Single diffusion in two dimensions (radial immunodiffusion or Mancini method)[2]
- Double diffusion in two dimensions (Ouchterlony double immunodiffusion)[3]