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Drug Names
Generic Name:Human Cotinine ELISA kit
Purpose
Our Human Cotinine ELISA kit is to assay Cotinine 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 Cotinine. 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 Cotinine 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 Cotinine and HRP conjugated Cotinine 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 Cotinine. You can calculate the concentration of Cotinine in the samples by comparing the OD of the samples to the standard curve.
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I use this product in detection salivary cotinine and i need to change the unit from pg per mL to the ng per mL.. The results obtained very very small values
AdministratorHello, thanks for your support, you can use our ng level elisa kit to retest kit, the cat no. is SL0528Hu_1, or you can dilute the sample with pbs to the range available in the instructions