CA 19-9, Human (Carbohydrate Antigen 19-9, Sialylated Lewis A, LEA)

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£435.00

SKU:: 137589
Reinheit:: Cell culture concentrate
Lagerbedingungen:: -20°C
Hersteller:: United States Biological
Format:: Supplied as a liquid in PBS, pH 7.4, 0.09% sodium azide.
Weitere Details:: Gastrointestinal tumor antigen is a large glycoprotein defined by a carbohydrate epitope, Ca19-9, located on a protein core mucin. It is referred to in the literature as sialylated Lewis A (Lea). It is over expressed by epithelial tumors of the gastro intestine including the stomach, small and large intestine, colon, pancreas and cervix. These mucins are largely carbohydrate, 80-90%. Source: CA 19-9, from human adenocarcinoma cell line. Contaminants: As demonstrated by RIA, less than 1% contamination with CA 125 and CA 15-3 Applications: Suitable for use for making standards, calibrators, and single analyte controls. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.