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A8654

Bovine Serum Albumin

dimer mol wt ~132 kDa

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:
0.9-1.4 mg per vial protein basis (biuret)
Form:
lyophilized powder
Technique(s):
protein purification: suitable
Concentration:
0.9—1.4 mg per vial protein (biuret)

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biological source

bovine

assay

0.9-1.4 mg per vial protein basis (biuret)

form

lyophilized powder

mol wt

dimer ~132 kDa, monomer ~66 kDa

Quality Level

200

purified by

cold ethanol fractionation

origin

USA origin

concentration

0.9—1.4 mg per vial protein (biuret)

technique(s)

protein purification: suitable

pH

5.2

storage temp.

−20°C

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This Item
A3803A7906A9647
Bovine Serum Albumin dimer mol wt ~132 kDa

Sigma-Aldrich

A8654

Bovine Serum Albumin

Bovine Serum Albumin heat shock fraction, lyophilized powder, essentially fatty acid free, ≥98% (agarose gel electrophoresis)

Sigma-Aldrich

A3803

Bovine Serum Albumin

Bovine Serum Albumin heat shock fraction, pH 7, ≥98%

Sigma-Aldrich

A7906

Bovine Serum Albumin

Bovine Serum Albumin heat shock fraction, pH 7, ≥98%

Sigma-Aldrich

A9647

Bovine Serum Albumin

biological source

bovine

biological source

bovine

biological source

bovine

biological source

bovine

technique(s)

protein purification: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

blood typing: suitable, microbiological culture: suitable

technique(s)

immunocytochemistry: suitable

origin

USA origin

origin

USA origin

origin

USA origin

origin

USA origin

assay

0.9-1.4 mg per vial protein basis (biuret)

assay

≥98% (agarose gel electrophoresis)

assay

≥98%

assay

≥98%

Quality Level

200

Quality Level

200

Quality Level

300

Quality Level

300

form

lyophilized powder

form

lyophilized powder

form

lyophilized powder

form

lyophilized powder

Application

Marker for non-denaturing PAGE

Biochem/physiol Actions

Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.

Preparation Note

0.9-1.4 mg/mL after reconstitution with 1 mL of water
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

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000377465
0000305485
0000377465
0000305485
SLCM5941

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Guillaume Gerez et al.
Biomolecules, 12(9) (2022-09-24)
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Marcos V A S Navarro et al.
PLoS biology, 9(2), e1000588-e1000588 (2011-02-10)
The bacterial second messenger bis-(3'-5') cyclic dimeric guanosine monophosphate (c-di-GMP) has emerged as a central regulator for biofilm formation. Increased cellular c-di-GMP levels lead to stable cell attachment, which in Pseudomonas fluorescens requires the transmembrane receptor LapD. LapD exhibits a
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