SRE0096
Bovine Serum Albumin
≥98.0%, New Zealand Origin Bovine, ≤3 EU/mg endotoxin, protein quantification
Synonym(s):
Albumin bovine serum, BSA, Bovine albumin
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About This Item
Assay:
≥98.0%
Form:
powder
Technique(s):
protein quantification: suitable
Impurities:
≤3 EU/mg endotoxin
Product Name
Bovine Serum Albumin, heat shock fraction, protease free, IgG free, low endotoxin, Ph 7.0, ≥98%, standard grade
Quality Segment
assay
≥98.0%
form
powder
purified by
heat shock fractionation
origin
New Zealand origin
availability
available only in Indonesia, China
technique(s)
protein quantification: suitable
impurities
≤3 EU/mg endotoxin
pH
7.0
cation traces
heavy metals (as Pb): ≤10 ppm
foreign activity
Ribonuclease, none detected, endonuclease, none detected, protease ≤0.005 units/mg solid, proteinase, none detected
storage temp.
2-8°C
Biochem/physiol Actions
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.
Preparation Note
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
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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