B6917 Sigma

Albumin from bovine serum

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

DOWNLOAD MSDS (PDF)

Synonym: BSA, Bovine albumin

Properties

Related Categories Albumin, Albumins, Albumins by Application, Biochemicals, Biochemicals and Reagents,
Quality Level   PREMIUM
form   lyophilized powder
mol wt   mol wt ~66 kDa
suitability   suitable for (for molecular biology)
foreign activity   Alkaline phosphatase and peroxidase, none detected
  DNase, RNase, and protease, none detected
storage temp.   2-8°C

Description

Preparation Note

Serum albumin may be referred to as Cohn Fraction V. This naming convention is taken from the original Cohn2 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 "Cohn 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.1

Protocols & Applications

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

Price and Availability

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