Semantic resources project/Antibodies/Revised Methods/Double Immunodiffusion

Description
DID: Double Immunodiffusion
 * aka. "Ouchterlony Double Immunodiffusion"
 * aka. "passive double immunodiffusion"
 * aka. "agar gel immunodiffusion"

Ontology Terms
OBI: "precipitation"
 * http://purl.obofoundry.org/obo/OBI_0600034
 * OBI Browser

Definition
An immunodiffusion assay in which an analyte mixture and a detecting antibody (an evaluant) are deposited into two or more wells in a prepared gel. Presence of an antigen which binds the antibody is indicated by the appearance of one or more lines of precipitation (precipitin).