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Key Documents

A4503

Sigma-Aldrich

Bovine Serum Albumin

cold ethanol fraction, pH 5.2, ≥96%

Synonyma:

Albumin bovine serum, BSA, Bovine albumin

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About This Item

Číslo CAS:
EC Number:
MDL number:
UNSPSC Code:
12352202
NACRES:
NA.27

biological source

bovine

assay

≥96%

form

lyophilized powder

mol wt

~66 kDa

purified by

cold ethanol fractionation

origin

USA origin

technique(s)

ELISA: suitable
blood typing: suitable
microbiological culture: suitable

loss

≤5%

pH

5.2

solubility

water: soluble (40 mg/ml)

UniProt accession no.

foreign activity

BT Virus, none detected
VSV Virus, none detected

storage temp.

2-8°C

Gene Information

bovine ... ALB(280717)

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General description

Bovine serum albumin is a model protein in various studies and is made up of 583 amino acids. It is a water-soluble protein with a molecular weight of 66.4kDa. Six α-helices form three homologous domains of BSA. Depending on pH, it undergoes reversible conformational isomerization. The native structure of the protein becomes reactive and flexible on heating.

Application

  • Bovine Serum Albumin has been used in solution prepared for the isolation of heart mitochondria.
  • It has been used in the cytotoxicity assay buffer.
  • It has been used for the induction of protein overload nephropathy in rats.

Biochem/physiol Actions

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

Preparation Note

Often referred to as Cohn fraction V; this product is prepared by a modified method of the Cohn cold ethanol fractionation method.
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.

also commonly purchased with this product

Č. produktu
Popis
Stanovení ceny

comparable product

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Osvědčení o analýze (COA)

Vyhledejte osvědčení Osvědčení o analýze (COA) zadáním čísla šarže/dávky těchto produktů. Čísla šarže a dávky lze nalézt na štítku produktu za slovy „Lot“ nebo „Batch“.

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Zákazníci si také prohlíželi

Cytochrome C effect on respiration of heart mitochondria: influence of various factors.
Toleikis A et al.
Bioscience Reports, 25, 387-387 (2005)
Rapamycin worsens renal function and intratubular cast formation in protein overload nephropathy.
Coombes JD et al.
Kidney International, 68, 2599-2599 (2005)
Isabella Marcomini et al.
Cell reports, 24(10), 2614-2628 (2018-09-06)
Multiple pathways regulate the repair of double-strand breaks (DSBs) to suppress potentially dangerous ectopic recombination. Both sequence and chromatin context are thought to influence pathway choice between non-homologous end-joining (NHEJ) and homology-driven recombination. To test the effect of repetitive sequences
Sensitization of tumor cells to NK cell-mediated killing by proteasome inhibition.
Hallett WH et al.
Journal of Immunology, 180, 163-163 (2008)
Simona Ranallo et al.
Nature communications, 8, 15150-15150 (2017-05-10)
A wide range of molecular devices with nanoscale dimensions have been recently designed to perform a variety of functions in response to specific molecular inputs. Only limited examples, however, utilize antibodies as regulatory inputs. In response to this, here we

Sortimentní položky

Explore serum albumin's role in serum-free cell culture systems for biomanufacturing.

Protokoly

Spectrophotometric assay at 260 nm measures nuclease S1 activity, vital for nucleic acid research, with defined enzyme unit criteria.

This procedure applies to all products from heart muscle that have a specification for L-Lactic Dehydrogenase activity.

Objective: To standardize a procedure for the enzymatic assay of β-Glucuronidase.

Enzymatic assay of lipase type XIII from Pseudomonas sp. using a coupled enzyme system of glycerol kinase and glycerophosphate oxidase (EC 3.1.1.3)

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Související obsah

Learn about bovine serum albumin (BSA) structure, molecular weight, function, solubility, how BSA is made, purification methods, applications and purchasing.

Náš tým vědeckých pracovníků má zkušenosti ve všech oblastech výzkumu, včetně přírodních věd, materiálových věd, chemické syntézy, chromatografie, analytiky a mnoha dalších..

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