In agglutination inhibition tests, a lack of visible agglutination indicates what?
Understand the Problem
The question is asking what the absence of visible agglutination in agglutination inhibition tests signifies. It seeks to clarify the interpretation of results from these types of tests used in immunology.
Answer
Presence of the antigen.
In agglutination inhibition tests, a lack of visible agglutination indicates the presence of the antigen being tested.
Answer for screen readers
In agglutination inhibition tests, a lack of visible agglutination indicates the presence of the antigen being tested.
More Information
The absence of visible agglutination in an agglutination inhibition test suggests that the antigen of interest is present. This occurs because the antigen binds to antibodies, preventing them from causing agglutination with the added particles.
Tips
A common mistake is assuming that the presence of visible agglutination always indicates the presence of an antigen, whereas it may indicate the presence of antibodies or the absence of inhibition.
Sources
- Inhibition tests - ivl1-au.vlabs.ac.in
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