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CYFRA elisa kit product blog

Posted on 2015-12-27 10:03:04 by mybiosource_staff
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Tags: ELISA Kit; Human ELISA Kit; CYFRA; CYFRA elisa kit;
The Human CYFRA n/a (Catalog #MBS494749-211-10) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The MBS494749-211-10 ELISA Kit recognizes Human (General) CYFRA.

To buy or view more detailed product information and pricing, please click on the technical datasheet page below:

(Or you can also download the PDF Manual for complete product instructions).

Please refer to the product datasheet for known applications of a given elisa kit. We\'ve tested the CYFRA 21-1 ELISA with the following immunoassay(s):
Typical Testing Data/Standard Curve (for reference only)
Typical Testing Data/Standard Curve (for reference only) CYFRA.

Principle of the assay: The CYFRA 21-1 EIA is a solid phase, non-competitive immunoassay based on two monoclonal antibodies (derived from mice) directed against two separate antigenic determinants of soluble fragments of cytokeratin 19 (7-8). Calibrators, controls and patient samples are incubated together with biotinylated Anti-CYFRA 21-1 MAb and horseradish peroxidase (HRP) labeled Anti-CYFRA 21-1 MAb in streptavidin coated microstrips. After washing, buffered Substrate/Chromogen reagent (hydrogen peroxide and 3, 3\', 5, 5\' tetramethylbenzidine) is added to each well and the enzyme reaction is allowed to proceed. During the enzyme reaction a blue color will develop if antigen is present. The intensity of the color development is proportional to the amount of CYFRA 21-1 present in the samples. The color intensity is determined in a microplate spectrophotometer at 620 nm (or optionally at 405 nm after addition of Stop Solution). Calibration curves are constructed for each assay by plotting absorbance value versus the concentration for each calibrator. The CYFRA 21-1 concentrations of patient samples are then read from the calibration curve.

Samples: Human serum. Intended Uses: The CYFRA 21-1 EIA kit is intended for the determination of soluble cytokeratin 19 fragments in human serum. The assay is to be used as an aid in monitoring disease progression during the course of disease and treatment in lung cancer patients. Serial testing for patient CYFRA 21-1 assay values should be used in conjunction with other clinical methods used for monitoring lung cancer. CYFRA 21-1 ELISA or ELISA (enzyme-linked immunosorbant assays) Kits in general, are a valuable research tool for a myriad of applications in a range of scientific settings. Currently, three major types of ELISA formats are used by researchers: sandwich, competitive and indirect. Most commercially available ELISA Kits are sandwich or competitive. Commercially available ELISA Kits contain wells that have been pre-coated with the capture antibody. Please refer to the product manual for the ELISA format of your specific kit.
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