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  • noun

Words related to antigen

any substance (as a toxin or enzyme) that stimulates an immune response in the body (especially the production of antibodies)

References in periodicals archive ?
The double-diffusion test is a common method used for identification of antigen-antibody reactions and involves the diffusion of a soluble antigen and corresponding antibody in agar to form a line of antigen-antibody precipitate in the correct proportion.
FF beads coated with antibodies recognizing specific carcinoma cell-surface antigens are added onto fixed samples of carcinoma cells, and a magnet is attached beneath them to enhance the antigen-antibody reaction (10 min).
Agglutination reaction Antigen-antibody reaction that produces a visible clumping of particles.
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.
The antigen-antibody reaction was probed by anti-rabbit IgG-HRP (Jackson Immuno Research Laboratories, USA).
For whatever reason, normally harmless protein substances in certain foods may be mistaken by the body's immune system for dangerous substances against which it must mount a defense -- the antigen-antibody reaction.
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