Summary:

 

Purpose

 

Our Quick Step Canine α1-Antitrypsin (α1-AT)elisa Kit is to assay α1-AT levels in Canine 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 α1-AT. 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 α1-AT 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 α1-AT and HRP conjugated α1-AT 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 α1-AT. You can calculate the concentration of α1-AT in the samples by comparing the OD of the samples to the standard curve.

 

Typical Data

 

The standard curve of QS0038Ca 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	0ng/ml	0.043	0.0475
		0.052
S1	72ng/ml	1.988	1.9805
		1.973
S2	48ng/ml	1.302	1.3095
		1.317
S3	24ng/ml	0.692	0.7035
		0.715
S4	12ng/ml	0.377	0.3855
		0.394
S5	6ng/ml	0.202	0.1980
		0.194

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