Drug Names

Generic Name: Rat Cytokeratin Fragment Antigen 21 (CYFRA21-1) ELISA Kit

Purpose

Our Rat Cytokeratin Fragment Antigen 21 (CYFRA21-1) ELISA kit is to assay CYFRA21-1 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 CYFRA21-1, 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 CYFRA21-1 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 CYFRA21-1 and HRP conjugated CYFRA21-1 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 CYFRA21-1. You can calculate the concentration of CYFRA21-1 in the samples by comparing the OD of the samples to the standard curve.

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