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Merck

05470

Bovine Serum Albumin

lyophilized powder, crystallized, ≥98.0% (GE)

Synonym(s):

Albumin bovine serum, BSA, Bovine albumin

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About This Item

CAS Number:
9048-46-8
UNSPSC Code:
12352202
EC Number:
232-936-2
NACRES:
NA.27
MDL number:
MFCD00130384
eCl@ss:
32160409
Biological source:
bovine
Assay:
≥98.0% (GE)
Form:
lyophilized powder
Technique(s):
cell culture | mammalian: suitable, electron microscopy: suitable

Key Documents

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biological source

bovine

Quality Level

200

assay

≥98.0% (GE)

form

lyophilized powder

packaging

glass bottle of

technique(s)

cell culture | mammalian: suitable, electron microscopy: suitable

pH

4.8-7.5

solubility

H2O: slightly soluble

anion traces

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

cation traces

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

UniProt accession no.

P02769

storage temp.

2-8°C

Gene Information

bovine ... ALB(280717)

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Application

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.
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.

Biochem/physiol Actions

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

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.

Other Notes

Sales restrictions may apply
Review

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

05470-25G: + 05470-BULK: + 05470-VAR: + 05470-5G: + 05470-1G: + 05470-25MG:

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Certificates of Analysis (COA)

Lot/Batch Number
0000287644
SLBW3326

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Torres G, et al.
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Effect of dietary chitin on digestive enzyme activity, growth and survival of Macrobrachium tenellum juvenile prawns
Santos-Romero RB, et al.
Latin American Journal of Aquatic Research, 45(1), 130-138 (2017)
T. Peters, Jr.
Adv. Prot. Chem., 37, 161-161 (1985)
J D Marsh et al.
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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