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  2. ALCAT test - Wikipedia

    en.wikipedia.org/wiki/ALCAT_Test

    The antigen leukocyte antibody test (ALCAT test) is one that claims to measure adverse reactions to dietary substances. It was created by American Medical Testing Laboratories and is now marketed by Cell Science Systems (also known as ALCAT Diagnostic Systems) of Deerfield Beach, Florida .

  3. Food intolerance - Wikipedia

    en.wikipedia.org/wiki/Food_intolerance

    The IgG-4 test specificity is questionable as healthy individuals with no symptoms of food intolerance also test positive for IgG-4 to several foods. [46] Diagnosis is made using medical history and cutaneous and serological tests to exclude other causes, but to obtain final confirmation a double blind controlled food challenge must be ...

  4. Radial immunodiffusion - Wikipedia

    en.wikipedia.org/wiki/Radial_immunodiffusion

    [1] [2] [5] The antigen is quantitated by measuring the diameter of the precipitin circle and comparing it with the diameters of precipitin circles formed by known quantities or concentrations of the antigen. [1] [2] [3] [6] Antigen-antibody complexes are small and soluble when in antigen excess. Therefore, precipitation near the center of the ...

  5. Immunoglobulin G - Wikipedia

    en.wikipedia.org/wiki/Immunoglobulin_G

    The water-accessible surface area of an IgG antibody. Immunoglobulin G (IgG) is a type of antibody. Representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation. [1] IgG molecules are created and released by plasma B cells. Each IgG antibody has two paratopes.

  6. Should you try at-home food sensitivity tests? - AOL

    www.aol.com/news/try-home-food-sensitivity-tests...

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  7. IgG deficiency - Wikipedia

    en.wikipedia.org/wiki/IgG_deficiency

    IgG 3 deficiency is not usually encountered without other concomitant immunoglobulin deficiencies, and IgG 4 deficiency is very common but usually asymptomatic. [ 3 ] IgG1 is present in the bloodstream at a percentage of about 60-70%, IgG2-20-30%, IgG3 about 5-8 %, and IgG4 1-3 %.

  8. Likelihood ratios in diagnostic testing - Wikipedia

    en.wikipedia.org/wiki/Likelihood_ratios_in...

    This hypothetical screening test (fecal occult blood test) correctly identified two-thirds (66.7%) of patients with colorectal cancer. [ a ] Unfortunately, factoring in prevalence rates reveals that this hypothetical test has a high false positive rate, and it does not reliably identify colorectal cancer in the overall population of ...

  9. List of questionable diagnostic tests - Wikipedia

    en.wikipedia.org/wiki/List_of_questionable...

    Barnes Basal Temperature Test; Breast thermography [4] Electro Physiological Feedback Xrroid (EPFX) [5] Electrodermal diagnostic devices [6] [7] (e.g. Vega machines, E-meters) Genetic tests for "reward deficiency syndrome" [8] Hair analysis [9] [10] IgG antibody testing for food intolerances and food allergies [7] [11] Live blood analysis [12]