Summary:

 

Purpose

 

Our Quick Step Human cluster of differentiation 68 (CD68)elisa Kit is to assay CD68 levels in Human 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 CD68. 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 CD68 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 CD68 and HRP conjugated CD68 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 CD68. You can calculate the concentration of CD68 in the samples by comparing the OD of the samples to the standard curve.

 

Typical Data

 

The standard curve of QS3590Hu 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	0.035	0.0385
		0.042
S1	1200pg/ml	1.973	1.9790
		1.985
S2	800pg/ml	1.327	1.3330
		1.339
S3	400pg/ml	0.705	0.7105
		0.716
S4	200pg/ml	0.393	0.3885
		0.384
S5	100pg/ml	0.186	0.1895
		0.193

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