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Summary:
Purpose
Our Quick Step Rat Catalase (CAT)ELISA Kit is to assay CAT 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 CAT. 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 CAT 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 CAT and HRP conjugated CAT antibody will appear blue in color and then turn yellow after the addition of the stop solution. The optical density (OD) is measured spectrophotometrically at a wavelength of 450 nm. The OD value is proportional to the concentration of CAT. You can calculate the concentration of CAT in the samples by comparing the OD of the samples to the standard curve.
Typical Data
The standard curve of QS1084Ra is provided for demonstration only. A standard curve should be generated for each set of samples assayed.
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Standard
Concentration
OD Value
Average OD Value
Blank Well
0
0.047
0.0440
0.041
S1
36pg/ml
1.967
1.9610
1.955
S2
24pg/ml
1.315
1.3200
1.325
S3
12pg/ml
0.685
0.6930
0.701
S4
6pg/ml
0.391
0.3880
0.385
S5
3pg/ml
0.183
0.1875
0.192
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