释义 |
complement fixation in American English Immunology the fixing of complement into the product of an antigen-antibody reaction: used as an infection indicator in certain serologic tests that measure the presence or absence of free, active complement complement fixation in American EnglishnounImmunology the binding of complement to immune complexes or to certain foreign surfaces, as those of invading microorganisms Word origin [1905–10 ]This word is first recorded in the period 1905–10. Other words that entered Englishat around the same time include: Expressionism, jazz, stabilizer, thiamine, white listExamples of 'complement fixation' in a sentencecomplement fixation A complement fixation test was negative.Evaluation was positive for coccidioidomycosis by complement fixation reaction.The coccidioidal complement fixation titer was 1 : 256.Serological study of samples was done by tests of hemagglutination inhibition, neutralization, and complement fixation.The patients developed specific antibodies to the virus detected by complement fixation test.Sera with at least 25% of complement fixation in dilution 1:4 were considered positive.Blood samples from 267 adult ewes from eight herds were submitted to complement fixation testing.Complement fixation was the best serologic test for monitoring patients with paracoccidioidomycosis.The virus was identified by complement fixation test and confirmed by reverse transcription–polymerase chain reaction.The eluted fractions were tested by complement-fixation with the chagasic reference serum. |