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antigen-antibody reaction

   Also found in: Dictionary/thesaurus, Financial, Acronyms, Wikipedia, Hutchinson 0.01 sec.
antigen-antibody reaction
n.
The binding of an antibody with an antigen of the type that stimulated the formation of the antibody, resulting in agglutination, precipitation, complement fixation, greater susceptibility to ingestion and destruction by phagocytes, or neutralization of an exotoxin.

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The new system, which consists of a lab-on-a-chip, laser-induced fluorescence detection device and analysis method based on antigen-antibody reaction and electrophoresis, can rapidly measure stress-related substances secretory immunoglobulin A (S-IgA) and cortisol in salivary samples.
Thus, although cromolyn has no effect on the mediators released from the antigen-antibody reaction of an acute asthma attack, it prevents later bronchoconstriction by impairing the release of mediators.
 
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