Bovine Serum Albumin, lyophilized powder, essentially globulin free, BioReagent, suitable for cell c

Stock Code: 3589526
Manufacturer Part No: A4161-1G

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Descriptions

Application

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

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 Essentially globulin free

Packaging

1, 5, 10, 100 g in poly bottle

Preparation Note

Purified by a combination of heat shock and ethanol 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.