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  • Bio-Type Serum/Plasma
  • Method ELISA
  • CE Y
  • # of Tests 96 wells
  • Range 0 – 3000 IU/mL
  • Sensitivity 5 IU/mL
  • Sample Volume 10 uL
  • Incubation Time(s) 30 / 15 / 15 / 5 min
  • Storage Conditions 2° C - 8° C
  • SKU:  EIA3561
  • Category: Autoimmune Diseases
  • $307.00
Approximate Lead Time 1 - 2 Weeks
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Anti TPO Ab ELISA is a test system for the quantitative measurement of IgG class autoantibodies against thyroid peroxidase (TPO) in human serum or plasma. This product is intended for professional in vitro diagnostic use only. Thyroid autoimmune diseases are associated with the occurrence of autoantibodies directed against antigens of the thyroid cells: thyroglobulin (TG) and thyroid peroxidase (TPO). The test contributes to the differential diagnosis of autoimmune diseases of the thyroid gland, e.g. Hashimoto's thyroiditis, Graves' disease. Highly purified human thyroid peroxidase (TPO) is bound to microwells. The determination is based on an indirect enzyme linked immune reaction with the following steps:Specific antibodies in the patient sample bind to the antigen coated on the surface of the reaction wells. After incubation, a washing step removes unbound and unspecifically bound serum or plasma components. Subsequently added enzyme conjugate binds to the immobilized antibody-antigen-complexes. After incubation, a second washing step removes unbound enzyme conjugate. After addition of substrate solution the bound enzyme conjugate hydrolyses the substrate forming a blue coloured product. Addition of an acid stops the reaction generating a yellow end-product. The intensity of the yellow colour correlates with the concentration of the antibody-antigen-complex and can be measured photometrically at 450 nm.