Summary:

 

Purpose

Our Quick Step Rat Lipoxin A4 (LXA4)ELISA Kit is to assay LXA4 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 LXA4. 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 LXA4 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 LXA4 and HRP conjugated LXA4 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 LXA4. You can calculate the concentration of LXA4 in the samples by comparing the OD of the samples to the standard curve.

Typical Data

The standard curve of QS1908Ra 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	0.043	0.0405
		0.038
S1	90pg/ml	1.954	1.9615
		1.969
S2	60pg/ml	1.318	1.3305
		1.343
S3	30pg/ml	0.683	0.6910
		0.699
S4	15pg/ml	0.391	0.3865
		0.382
S5	7.5pg/ml	0.194	0.1910
		0.188

 

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