Human CA19-9 ELISA Kit

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  • Catalog
  • species
  • GeneCA19-9
  • Standard CurveHuman CA19-9 ELISA Kit
  • Other Species Human CA19 9 ELISA KitMouse CA19-9 ELISA Kit
  • SpecificityThis assay has high sensitivity and excellent specificity for detection of Carbohydrate Antigen 19-9 (CA19-9). No significant cross-reactivity or interference between Carbohydrate Antigen 19-9 (CA19-9) and analogues was observed.
  • SamplesSerum, Plasma , tissue homogenates,Cell culture supernates,Other biological fluids.
  • SensitivityTypically less than 0.27U/mL.
  • Intended UseHuman CA19-9 ELISA Kit allows for the in vitro quantitative determination of CA19-9 , 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 Description
    Principle of the Assay: The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Carbohydrate Antigen 19-9 (CA19-9). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Carbohydrate Antigen 19-9 (CA19-9). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Carbohydrate Antigen 19-9 (CA19-9), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Carbohydrate Antigen 19-9 (CA19-9) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

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