congo red test


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congo red test

[′käŋ·gō ′red ‚test]
(pathology)
Diagnostic test for amyloidosis, in which congo red is injected intravenously; 30% disappears within 1 hour in normal individuals, but in amyloidosis 40-100% disappears.
References in periodicals archive ?
For the Congo red test, a portion of material from each sample group was weighed, and enough water was added to achieve a concentration of 6.5 mg/mL.