- A dictionary of medical eponyms

Weichardt's reaction

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Test based on the change of surface tension when antigen and antibody react with each other in certain dilutions.

Description

Test based on the change of surface tension when antigen and antibody react with each other in certain dilutions. The number of drops is determined with a stalagmometer. The number increases when the surface tension decreases. The test has been used in diagnosis of tumours and tuberculosis. It is the same as Ascoli’s reaction.

Weichardt 1909, Ascoli 1910.

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