Definition of precipitin in English:
precipitin
noun prɪˈsɪpɪtɪnprēˈsipədən
Biochemistry An antibody that produces a visible precipitate when it reacts with its antigen.
as modifier a precipitin test
Example sentencesExamples
- His laboratory was the first to emphasize the importance of precipitins to various peptide and polysaccharide antigens of Aspergillus fimigatus.
- A negative serologic assay for precipitins does not rule out disease, as many factors can decrease the sensitivity of the test.
- Their specificity could be related to particular defined groups on the antigen and evaluated quantitatively with precipitin reactions and hapten inhibition of precipitation.
- Many reports and reviews have challenged the diagnostic value of serum precipitins for case finding.
- Serum agglutinins, precipitins, and complement-fixing antibodies can also be used to establish a diagnosis.
Origin
Early 20th century: from the verb precipitate + -in1.