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Elution

Definition

The release of antibody from antigen, typically by heating to 56-70 degrees Celsius. In the absorption-elution method, this step liberates the antibody captured on the stain so it can be identified by testing against known cells.

Related terms

Absorption
In serology, the process of adding antigen to an antiserum so that specific antibodies bind to the antigen and are removed from...
Indicator cells
Commercially prepared or freshly washed red cells of known ABO group used to detect antibody activity in an eluate or residual antiserum....
Inhibition index
A quantitative measure of PCR inhibitor burden in a DNA extract, derived from the Ct shift of an internal positive control (IPC)...
Mixed agglutination
A microscopy-based technique in which indicator cells form rosette aggregates around antigen-bearing stain material via antibody bridges. Positive results are read as...
Titre
The concentration of antibody in a solution, expressed as the reciprocal of the highest dilution at which agglutination is still visible. A...

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