Cattle sIgA(Secretory Immunoglobulin A) ELISA Kit

SKU: ELK6101

Size:96T

Reactivity:Cattle

Alternative Names:S-IgA

Assay Type:Sandwich

Sensitivity:0.33 µg/mL

Standard:50 µg/mL

Detection range:0.79-50 µg/mL

Sample type:Serum, plasma, saliva and other biological fluids

Assay length:3.5h

Research Area:Infection immunity;Immune molecule;Reproductive science;Genetic science;Dermatology;Immunodeficiency;

Test principle: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 Cattle sIgA. Standards or samples are added to the appropriate microtiter plate wells then with a biotin-conjugated antibody specific to Cattle sIgA. 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 Cattle sIgA, 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 Cattle sIgA in the samples is then determined by comparing the OD of the samples to the standard curve.

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