Summary:

 

Purpose

Our is to assay CTX-II levels in Porcine serum, plasma, culture media or any biological fluid.

 

Principle

This ELISA kit uses Sandwich-ELISA as the method. The Microplate provided in this kit has been pre-coated with an antibody specific to CTX-II, make it to solid-phase antibody.Samples are added to the Microplate wells and combined to the specific antibody. Then a Horseradish Peroxidase (HRP)-conjugated antibody specific for CTX-II is added to each Microplate well and incubated,so the antibody-antigen-Enzyme labeled antibody complex is formed.Following a wash to remove any unbound reagent,then the TMB substrate solution is added to each well. Only those wells that contain CTX-II and HRP conjugated CTX-II 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 qualitative determination of CTX-II is determined by comparing with the CUT OFF value.

Typical Data

The standard curve of QS0265Po 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	0.040	0.0450
		0.050
S1	4.8ng/ml	1.958	1.9555
		1.953
S2	3.2ng/ml	1.308	1.3090
		1.310
S3	1.6ng/ml	0.698	0.7045
		0.711
S4	0.8ng/ml	0.397	0.3935
		0.390
S5	0.4ng/ml	0.209	0.2075
		0.206

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