Human CD278/ICOS ELISA Kit

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  • Alternative name

    Inducible T-cell costimulator ELISA KIT; Activation-inducible lymphocyte immunomediatory molecule ELISA KIT; CD_antigen: CD278ICOS ELISA KIT; AILIM ELISA KIT

  • Catalog
  • species
  • GeneCD278/ICOS
  • Standard CurveHuman CD278/ICOS ELISA Kit
  • SamplesSerum, Plasma , tissue homogenates,Cell culture supernates,Other biological fluids.
  • Intended UseHuman CD278/ICOS ELISA Kit allows for the in vitro quantitative determination of CD278/ICOS , concentrations in serum, Plasma , tissue homogenates and Cell culture supernates and Other biological fluids.
  • StorageFor 5-7days:Store the whole kit at 4℃
    For a Long time :Store the Substrate at 4℃, other reagent should store at -20℃.
  • Product Categories/FamilyImmunology
  • Product Description
    Principle of the Assay: ICOS ELISA kit applies the competitive enzyme immunoassay technique utilizing a monoclonal anti-ICOS antibody and an ICOS-HRP conjugate. The assay sample and buffer are incubated together with ICOS-HRP conjugate in pre-coated plate for one hour. After the incubation period, the wells are decanted and washed five times. The wells are then incubated with a substrate for HRP enzyme. The product of the enzyme-substrate reaction forms a blue colored complex. Finally, a stop solution is added to stop the reaction, which will then turn the solution yellow. The intensity of color is measured spectrophotometrically at 450nm in a microplate reader. The intensity of the color is inversely proportional to the ICOS concentration since ICOS from samples and ICOS-HRP conjugate compete for the anti-ICOS antibody binding site. Since the number of sites is limited, as more sites are occupied by ICOS from the sample, fewer sites are left to bind ICOS-HRP conjugate. A standard curve is plotted relating the intensity of the color (O.D.) to the concentration of standards. The ICOS concentration in each sample is interpolated from this standard curve.

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