- antigen-antibody interactions cause a conformational shift in immunoglobulin structure promoting binding of C1 and subsequent activation of the complement cascade, complement fixation.
- an immunoassay using reference antibodies with complement fixation and lysis of red blood cells as an indicator of detectable antigen. The degree of hemolysis affects the optic density of the sample, which can be measured and compared with a standard reference concentration curve.
Synonym(s): CF test, complement binding assay
See Also: Bordet-Gengou phenomenon, Wassermann test
Disclaimer: This site is designed to offer information for general educational purposes only. The health information furnished on this site and the interactive responses are not intended to be professional advice and are not intended to replace personal consultation with a qualified physician, pharmacist, or other healthcare professional. You must always seek the advice of a professional for questions related to a disease, disease symptoms, and appropriate therapeutic treatments.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.