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Summary:
Purpose
Our Quick Step Rat Caspase 8 (Casp-8)ELISA Kit is to assay Casp-8 levels in Rat serum, plasma, culture media or any biological fluid.
Principle
This ELISA kit uses Sandwich-ELISA as the method. The Microelisa stripplate provided in this kit has been pre-coated with an antibody specific to Casp-8. Standards or samples are added to the appropriate Microelisa stripplate wells and combined to the specific antibody. Then a Horseradish Peroxidase (HRP)-conjugated antibody specific for Casp-8 is added to each Microelisa stripplate well and incubated. Free components are washed away. The TMB substrate solution is added to each well. Only those wells that contain Casp-8 and HRP conjugated Casp-8 antibody will appear blue in color and then turn yellow after the addition of the stop solution. The optical density (OD) is measured spectrophotomeCasp-8ally at a wavelength of 450 nm. The OD value is proportional to the concentration of Casp-8. You can calculate the concentration of Casp-8 in the samples by comparing the OD of the samples to the standard curve.
Typical Data
The standard curve of QS1205Ra is provided for demonstration only. A standard curve should be generated for each set of samples assayed.
Standard
Concentration
OD Value
Average OD Value
Blank Well
0pg/ml
0.052
0.0460
0.040
S1
3600pg/ml
1.912
1.9075
1.903
S2
2400pg/ml
1.388
1.3840
1.380
S3
1200pg/ml
0.708
0.7100
0.712
S4
600pg/ml
0.403
0.4000
0.397
S5
300pg/ml
0.189
0.1960
0.203
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