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MEASUREMENT METHODS - ANNOTATIONS

The Clinical Measurement Ontology (CMO), Measurement Methods Ontology (MMO), and Experimental Condition Ontology (XCO) are currently being developed at the Rat Genome Database. For more information about these vocabularies please see Shimoyama et al. Three ontologies to define phenotype measurement data. Front Genet. 2012;3:87. Epub 2012 May 28 or contact us (http://rgd.mcw.edu/contact/index.shtml).
Term:radial immunodiffusion assay
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Accession:MMO:0000439 term browser browse the term
Definition:A technique used to determine the quantity of an antigen by measuring the diameters of circles of precipitin complexes surrounding samples of the antigen that mark the boundary between the antigen and an antibody suspended in a gel. Antigen diffuses into the gel matrix containing a specific antibody and a ring of precipitate is formed, the diameter of which is directly proportional to the concentration of the antigen. Precipitin is an antibody that has specifically aggregated a macromolecular antigen to give a visible precipitate.
Synonyms:exact_synonym: single radial immunodiffusion assay
 related_synonym: Mancini immunodiffusion;   Mancini method


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  measurement method 2368
    ex vivo method 1236
      immunoassay 183
        immunodiffusion assay 0
          radial immunodiffusion assay 0
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