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  2. Radial immunodiffusion - Wikipedia

    en.wikipedia.org/wiki/Radial_immunodiffusion

    Radial immunodiffusion (RID), Mancini immunodiffusion or single radial immunodiffusion assay, is an immunodiffusion technique used in immunology to determine the quantity or concentration of an antigen in a sample.

  3. Radioimmunoassay - Wikipedia

    en.wikipedia.org/wiki/Radioimmunoassay

    A radioimmunoassay (RIA) is an immunoassay that uses radiolabeled molecules in a stepwise formation of immune complexes.A RIA is a very sensitive in vitro assay technique used to measure concentrations of substances, usually measuring antigen concentrations (for example, hormone levels in blood) by use of antibodies.

  4. Immunoelectrophoresis - Wikipedia

    en.wikipedia.org/wiki/Immunoelectrophoresis

    Immunoelectrophoresis is a general term describing many combinations of the principles of electrophoresis and reaction of antibodies, also known as immunodiffusion. [1] Agarose as 1% gel slabs of about 1 mm thickness buffered at high pH (around 8.6) is traditionally preferred for electrophoresis and the reaction with antibodies. The agarose was ...

  5. Immunoradiometric assay - Wikipedia

    en.wikipedia.org/wiki/Immunoradiometric_assay

    In IRMA, the antibodies are labeled with radioisotopes which are used to bind antigens present in the specimen. When a positive sample is added to the tubes, radioactively labeled (labeled with I125 or I131 radioisotopes) antibodies bind to the free epitopes of antigens and form an antigen-antibody complex.

  6. Immunodiffusion - Wikipedia

    en.wikipedia.org/wiki/Immunodiffusion

    Immunodiffusion is a laboratory technique used to detect and quantify antigens and antibodies by observing their interactions within a gel medium. [1] This technique involves the diffusion of antigens and antibodies through a gel, usually agar , resulting in the formation of a visible precipitate when they interact.

  7. Ouchterlony double immunodiffusion - Wikipedia

    en.wikipedia.org/wiki/Ouchterlony_double...

    "Ouchterlony double immunodiffusion" (photograph) permanent dead link ‍] Photograph of Ouchterlony double immunodiffusion plate with unstained precipitin lines of full identity and non-identity. "Diffusion Patterns". Immunodiffusion principles and application. Archived from the original on 2019-12-11

  8. Counterimmunoelectrophoresis - Wikipedia

    en.wikipedia.org/wiki/Counterimmunoelectrophoresis

    Plasmodium Glutamate dehydrogenase (pGluDH) separated by counterimmunoelectrophoresis [1]. Counterimmunoelectrophoresis is a laboratory technique used to evaluate the binding of an antibody to its antigen, it is similar to immunodiffusion, but with the addition of an applied electrical field across the diffusion medium, usually an agar or polyacrylamide gel.

  9. Antigen-antibody interaction - Wikipedia

    en.wikipedia.org/wiki/Antigen-antibody_interaction

    The principles of specificity and cross-reactivity of the antigen-antibody interaction are useful in clinical laboratory for diagnostic purposes. One basic application is determination of ABO blood group. It is also used as a molecular technique for infection with different pathogens, such as HIV, microbes, and helminth parasites.

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