Definition of precipitin in English:

precipitin

noun prɪˈsɪpɪtɪnprēˈsipədən

Biochemistry

An antibody that produces a visible precipitate when it reacts with its antigen.
〔生化〕沉淀素
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.

Definition of precipitin in US English:

precipitin

nounprēˈsipədən

Biochemistry

An antibody that produces a visible precipitate when it reacts with its antigen.
〔生化〕沉淀素
as modifier a precipitin test
Example sentencesExamples
- Serum agglutinins, precipitins, and complement-fixing antibodies can also be used to establish a diagnosis.
- 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.
- 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.

Origin

Early 20th century: from the verb precipitate + -in.

单词	precipitin
释义	Definition of precipitin in English: precipitin noun prɪˈsɪpɪtɪnprēˈsipədən Biochemistry An antibody that produces a visible precipitate when it reacts with its antigen. 〔生化〕沉淀素 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. Definition of precipitin in US English: precipitin nounprēˈsipədən Biochemistry An antibody that produces a visible precipitate when it reacts with its antigen. 〔生化〕沉淀素 as modifier a precipitin test Example sentencesExamples Serum agglutinins, precipitins, and complement-fixing antibodies can also be used to establish a diagnosis. 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. 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. Origin Early 20th century: from the verb precipitate + -in.
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