$460.00
In stock
| Method | ELISA |
|---|---|
| Sample Type (Matrix) | Saliva, Stool |
| Sample Volume | 10 µL Saliva, 15 mg Stool |
| Species | Human |
| Incubation Time | 2h 20m |
| Range | 22.2-600 ng/mL |
| Size | 96 wells |
| Regulatory Status | For Research Use Only. Not for use in diagnostic procedures. |
The IDK® Secretory IgA ELISA (sIgA) is an enzyme immunoassay intended for the quantitative determination of secretory IgA (sIgA) in saliva and stool.
For research use only. Not for use in diagnostic procedures.
For Laboratory Professional Use Only.
Manufactured by Immundiagnostik AG.
This kit can be used with the IDK Extract® Stool Collection Tubes: K6999.US
Also available:
In the first incubation step, the sIgA in the samples is bound to polyclonal antibodies (rabbit anti-human IgA), which are immobilized to the surface of the microtiter wells. A washing step is carried out to remove all unbound substances.
In the second incubation step, a peroxidase-labeled conjugate (mouse anti-sIgA) is added, specifically recognizing the bound secretory IgA. After another washing step to remove all unbound substances, the solid phase is incubated with a tetramethylbenzidine (TMB) substrate. An acidic stop solution is then added to stop the reaction. The color changes from blue to yellow. The intensity of the yellow color is directly proportional to the concentration of secretory IgA.
Using the results obtained from the standards, a dose-response curve of the absorbance unit (optical density, OD) vs. concentration is generated. This curve determines the presence of secretory IgA in the samples directly.
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