A1470
Bovine Serum Albumin
lyophilized powder, low endotoxin, BioReagent, suitable for cell culture, ≥98% (agarose gel electrophoresis)
Synonym(s):
Albumin bovine serum, BSA, Bovine albumin
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About This Item
Biological source:
bovine
Assay:
≥98% (agarose gel electrophoresis)
Form:
lyophilized powder
Technique(s):
cell culture | mammalian: suitable
Impurities:
≤20 ppm Pb, ≤3 EU/mg endotoxin
biological source
bovine
product line
BioReagent
assay
≥98% (agarose gel electrophoresis)
form
lyophilized powder
Quality Level
Gene Information
bovine ... ALB(280717)
purified by
heat shock fractionation
packaging
poly bottle of
origin
USA origin
technique(s)
cell culture | mammalian: suitable
impurities
≤20 ppm Pb, ≤3 EU/mg endotoxin
pH
7
solubility
water: soluble (40 mg/ml)
UniProt accession no.
foreign activity
standard plate count (Bioburden) <500 (CFU/g)
storage temp.
2-8°C
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Biochem/physiol Actions
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.
Features and Benefits
- Tested for use in cell culture
- Low endotoxin
Preparation Note
Manufactured by a novel process that maintains the lipid and growth factor characteristics of cold-ethanol precipitated albumins.
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.
Legal Information
Cohn Analog is a trademark of Proliant, Inc.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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