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Bovine Serum Albumin

lyophilized powder, crystallized, ≥98.0% (GE)

Albumin bovine serum, Bovine albumin, BSA
Número de CAS:
Número de EC:
Número MDL:

Nivel de calidad


origen biológico



≥98.0% (GE)


lyophilized powder

mol peso

~66 kDa


glass bottle of


cell culture | mammalian: suitable
electron microscopy: suitable




H2O: slightly soluble

trazas de anión

chloride (Cl-): ≤2000 ppm
sulfate (SO42-): ≤1000 ppm

trazas de catión

Ca: ≤500 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤100 ppm
Cu: ≤20 ppm
Fe: ≤20 ppm
K: ≤50 ppm
Mg: ≤500 ppm
Mn: ≤5 ppm
Na: ≤7000 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Zn: ≤10 ppm

Nº de acceso UniProt

temp. de almacenamiento


Gene Information

bovine ... ALB(280717)

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Categorías relacionadas


Bovine serum albumin has been used to quantify proteins in raw enzyme extracts. It has also been used as a blocking agent for mitochondrial imaging.
Albumin from bovine serum can be used for Electron and Immunoelectron microscopy. It can also be used for isolating and culturing neonatal rat cardiac ventricular myocytes.

Acciones bioquímicas o fisiológicas

Bovine serum albumin also refers as BSA or Fraction V is a protein isolated from cows. BSA can block vacant binding sites in enzyme-linked immunosorbent assay (ELISA) in both poly-l-lysine (PLL)-treated and non-treated microwells. It can also trigger insulin dependent diabetes mellitus.
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.


Bottomless glass bottle. Contents are inside inserted fused cone.

Nota de preparación

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.

Otras notas

Sales restrictions may apply

Código de clase de almacenamiento

13 - Non Combustible Solids



Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Circulation, 98(3), 256-261 (1998-08-11)
The role of androgens in producing cardiac hypertrophy by direct action on cardiac myocytes is uncertain. Accordingly, we tested the hypothesis that cardiac myocytes in adult men and women express an androgen receptor gene and that myocytes respond to androgens

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