A3902
Bovine Serum Albumin
lyophilized powder, Vitamin B12 deficient
Synonym(s):
Albumin bovine serum, BSA, Bovine albumin
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About This Item
Biological source:
bovine
Assay:
≥98%
Form:
lyophilized powder
Technique(s):
ELISA: suitable
Impurities:
<1.0 μg/g Vitamin B12
biological source
bovine
description
≤ 1.0ug/g vitamin B12 content
assay
≥98%
form
lyophilized powder
purified by
heat shock fractionation
origin
USA origin
technique(s)
ELISA: suitable
impurities
<1.0 μg/g Vitamin B12
loss
≤5%
pH
7
solubility
water: soluble (40 mg/ml)
suitability
suitable for (Suitable for use in vitamin B12 assays.)
UniProt accession no.
foreign activity
BT Virus, none detected, VSV Virus, none detected
storage temp.
2-8°C
Gene Information
bovine ... ALB(280717)
Application
For use in vitamin B12 assays.
Biochem/physiol Actions
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.
Preparation Note
Prepared using heat shock fractionation
Serum albumin may be referred to as Fraction V. This naming convention is taken from the original Cohn method of fractionating serum proteins using cold ethanol precipitation. Serum albumin was found in the fifth ethanol fraction using Cohn′s method. Since then, the term "Fraction V" has been used by some to describe serum albumin regardless of the method of preparation. Others have used this term to describe serum albumin purified by ethanol fractionation methods that have been highly modified since the original Cohn method was described. Sigma-Aldrich manufactures and distributes serum albumins purified from a variety of primary methods including the true Cohn fractionation method, modified ethanol fractionation methods, heat shock and chromatography. Additional purification steps may include crystallization or charcoal filtration.
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Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| A3902-10G | 04061833693193 |