Bovine IgA ELISA Assay


The Bovine IgA ELISA Assay is a highly sensitive two-site enzyme linked immunoassay (ELISA) for measuring IgA in bovine biological samples.

Bovine IgA ELISA Assay

The Bovine IgA ELISA Assay is For Research Use Only

Size: 1×96 wells
Sensitivity: 7.009 ng/ml
Dynamic Range: 6.25 ng/ml – 400 ng/ml
Incubation Time: 90 minutes
Sample Type: Plasma, Serum, Milk
Sample Size: 100 μL
Alternative Names: Cow IgA ELISA

Assay Principle for Bovine IgA ELISA Assay

The principle of the Bovine (Cow) IgA double antibody sandwich ELISA is represented below. In this Bovine IgA ELISA, assay the IgA present in samples reacts with the anti-IgA antibodies which have been adsorbed to the surface of polystyrene microtitre wells. After the removal of unbound proteins by washing, anti-IgA antibodies conjugated with horseradish peroxidase (HRP), are added. These enzyme-labeled antibodies form complexes with the previously bound IgA. Following another washing step, the enzyme bound to the immunosorbent is assayed by the addition of a chromogenic substrate, 3,3’,5,5’-tetramethylbenzidine (TMB). The quantity of bound enzyme varies directly with the concentration of IgA in the sample tested; thus, the absorbance, at 450 nm, is a measure of the concentration of IgA in the test sample. The quantity of bovine IgA in the test sample can be interpolated from the standard curve constructed from the standards, and corrected for sample dilution.

Blood should be collected by venipuncture. The serum should be separated from the cells after clot formation by centrifugation. For plasma samples, blood should be collected into a container with an anticoagulant and then centrifuged. Care should be taken to minimize hemolysis, excessive hemolysis can impact your results. Assay immediately or aliquot and store samples at -20C. Avoid repeated freeze thaw cycles.

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