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B6917 Sigma

Bovine Serum Albumin

lyophilized powder, suitable for (for molecular biology), Non-acetylated

Synonym: Albumin bovine serum, BSA, Bovine albumin

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Properties

Related Categories Albumin, Albumins, Albumins by Application, Biochemicals, Biochemicals and Reagents,
Quality Level   PREMIUM
grade   for molecular biology
form   lyophilized powder
quality   deacetylated
mol wt   mol wt ~66 kDa
purified by   heat shock fractionation
packaging   glass bottle of
origin   USA origin
pH   7
solubility   water: soluble (50 mg/ml)
suitability   suitable for (for molecular biology)
foreign activity   Alkaline Phosphatase free
  Alkaline phosphatase and peroxidase, none detected
  DNase free
  DNase, RNase, and protease, none detected
  Peroxidase free
  Protease free
  RNase free
storage temp.   2-8°C

Description

Packaging

25, 100 mg in glass bottle

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.

Biochem/physiol Actions

Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.

Protocols & Applications

Select the right albumin for your application with the Albumin Selection Guide

Price and Availability


Biomedical Applications
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles
Peer-Reviewed Papers
15

References

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