Alpha-Fetoprotein
Product Specification:
AFP is a glycoprotein containing about 4% carbohydrate. AFP is produced by the fetal liver and is not normally expressed in adults. Diagnostically, it is a tumor marker for testicular, and hepatocellular cancer. Maternal serum levels are elevated when neural tube defects occur.
General Information:
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Molecular Weight: 70,000 Daltons
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Source: Human fetal cord serum
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IU/mg Standard grade 500 KIU/mg
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IU/mg High Purity 700 KIU/mg
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Form: lyophilized powder
Storage - 20 degrees C
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Stability: 5 years from date of manufacture
Method of Analysis:
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Purity is determined by SDS-Page.
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Acceptable level Standard grade: 50%
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Acceptable level High purity: 98%
Activity is determined by one of the following methods:
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Method ACS 180
Reference Preparation WHO 2nd IRP (72/225)
Contaminants Tested:
Contaminant |
Method |
Acceptable level; Standard Grade | Acceptable level; High Purity |
HSA |
SDS Page |
Not characterized |
Less than 2% |


