A technique for detecting or measuring antibodies and antigens by their precipitation when diffused together through a gel or other medium.
- Immunologic or antigenic fibrinogen can be quantitated by radial immunodiffusion or enzyme-linked immunosorbent assay.
- Twenty-four hours after treatment, leaves were ground with a mortar and the expressed leaf extract was analyzed for proteinase inhibitor concentrations by radial immunodiffusion as described previously.
- The author performed immunoprecipitation with immunodiffusion, using Petri dishes that contained 15 ml of 1.2% agarose in a barbital buffer.
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