Human Carbohydrate antigen 50 (CA50) ELISA Kit

Hersteller Abbkine Scientific
Typ Elisa-Kit
Specific against Human
Applikationen ELISA
Menge 96Tx50
ArtNr ABK-KTE62528-96Tx50
eClass 6.1 32160605
eClass 9.0 32160605
Applications notes
This Human Carbohydrate antigen 50 (CA50) ELISA Kit employs a two-site sandwich ELISA to quantitate CA50 in samples. An antibody specific for CA50 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyCA50 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for CA50 is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of CA50 bound in the initial step. The color development is stopped and the intensity of the color is measured.
Detection method
Sample type
Cell culture supernatants#Serum#Plasma#Other biological fluids
Assay type
Sandwich ELISA (quantitative)
Assay duration
Multiple steps standard sandwich ELISA assay with a working time of 3-5 hours. It depends on the experience of the operation person.
Kit components

Human Carbohydrate antigen 50 microplate
Human Carbohydrate antigen 50 standard
Human Carbohydrate antigen 50 detect antibody
Standard diluent
Assay buffer
HRP substrate
Stop solution
Wash buffer
Plate covers
Features & Benefits
Human Carbohydrate antigen 50 (CA50) ELISA Kit has high sensitivity and excellent specificity for detection of Human CA50. No significant cross-reactivity or interference between Human CA50 and analogues was observed.
Usage notes
Do not mix components from different kit lots or use reagents beyond the kit expiration date.
Allow all reagents to warm to room temperature for at least 30 minutes before opening.
Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.
Unused wells must be kept desiccated at 4 C in the sealed bag provided.
Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.
It is recommended that all samples and standards be assayed in duplicate or triplicate.
Storage instructions
The unopened kit should be stored at 2 - 8C. After opening, please store refer to protocols.
Gel pack with blue ice.
The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.
Carbohydrate antigen 50 (CA 50) is a tumor marker that increases in many malignancies, especially in carcinoma of the digestive tract. False-positive results occur in benign liver disease.Significant correlations with some liver tests were found, especially transaminases, and at lower degrees with cholestatic parameters. Despite the previously reported relation with cholestasis, especially in biliary diseases, the CA 50 serum levels of the authors' cirrhotic patients appeared to be more closely related to cytolysis, according to the results of several statistical tests, including multivariate analysis.Because of the percentage and the levels of the abnormal results, this antigen cannot be used as a tumor marker in cirrhotic patients. Cytolysis seems to have a pathogenetic role in the increase of CA 50, at least in cirrhosis.

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Menge: 96Tx50
Lieferbar: In stock
Listenpreis: 20.207,94 €
Preis: 20.207,94 €


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