9048-46-8 Albumen Powder Albumen Powder Price
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Synonym |
(S)-(+)-2-Aminosuccinamic acid, (S)-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide |
Molecular Formula |
NH2COCH2CH(NH2)COOH · H2O |
Molecular Weight |
150.13 |
CAS Number |
9048-46-8 |
Preparation Note
Initial fractionation by heat shock
Prepared from pasteurized serum, further processed using charcoal filtration and extensive diafiltration to be essentially fatty acid free. Processed to reduce interference of T3, T4 and insulin in RIA assays.
Application
Bovine serum albumin (BSA) makes up approximately 50% of the total protein in serum. Although it may be used as a carrier for hapten immunization in animals other than goats and sheep, it is more commonly used as a carrier for hapten in immunoassays. The small size of BSA, its abundance in serum, and the similarity between BSA and albumins from other species makes it less desirable for antibody production.
Properties
assay ≥98% (agarose gel electrophoresis)
form lyophilized powder
mol wt mol wt ~66 kDa
Fatty acid content ≤0.02%
Total impurities γ-globulin, essentially free
pH ~7 (1% in 0.15 M NaCl)
suitability suitable for ELISA applications (as diluent)
storage temp. 2-8°C
d sulfuric acid
.
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