货品编号： Sigma.B2064-50G 品牌：Sigma 品名：heat shock fraction, Australia origin, protease free, low fatty acid, low IgG, pH 7, ≥98% (Sigma) 规格：50G

产品描述： 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 m

ethods, heat shock and chromatography. Additional purification steps may include crystallization or charcoal

filtration.