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Merck

A6003

Sigma-Aldrich

Seroalbúmina bovina

lyophilized powder, essentially fatty acid free, ≥96% (agarose gel electrophoresis)

Sinónimos:

Albúmina bovina, Albúmina sérica bovina, BSA

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About This Item

Número de CAS:
EC Number:
MDL number:
UNSPSC Code:
12352202

biological source

bovine

Quality Level

assay

≥96% (agarose gel electrophoresis)
≥96%

form

lyophilized powder

mol wt

~66 kDa

purified by

cold ethanol fractionation

packaging

poly bottle of

origin

USA origin

free fatty acid content

≤0.01%

technique(s)

microbiological culture: suitable

impurities

≤0.01% fatty acid (GC)

pH

7

solubility

water: soluble (50 mg/ml)

UniProt accession no.

application(s)

hematology

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

BSA is a known carrier of fatty acids (FA). Thus control over the specific FA′s for culture of cell lines is important, as different cell lines can be differentially sensitive to particular fatty acids. Fatty acid-free BSA thus is a useful tool for cell culture experiments where the specific fatty acid content must be tightly controlled, to allow researchers to use particular fatty acids specific to their cell lines. Fatty acid-free albumin also allows for optimal and maximum binding sites for adding specific fatty acids to use in cell culture. The use of FA-free BSA also mitigates concerns about endogenous FA′s potentially in non-FA-free BSA.
Bovine serum albumin (BSA) is a highly abundant plasma protein that assists in the regulation of the colloidal osmotic pressure of blood. BSA is used in many different applications, such as cell culture, immunochemistry, and protein quantitation.

This BSA product is specifically tested for very low FA content / fatty acid free status.

Biochem/physiol Actions

Se sospecha que ciertos epítopos conformacionales y de secuencia primaria son alérgenos en las alergias humanas a la leche y a la carne.

Features and Benefits

  • Cold ethanol fractionated
  • Essentially fatty acid-free

Preparation Note

La seroalbúmina puede denominarse también Fracción V. Esta convención de nomenclatura procede del método original de fraccionamiento de las proteínas séricas de Cohn en el que se utiliza precipitación en etanol frío. Utilizando dicho método, la seroalbúmina se encontró en la fracción quinta del etanol. Desde entonces, algunos han venido utilizando la expresión «Fracción V» para describir la albúmina sérica, al margen del método de preparación. Otros han utilizado este término para describir la seroalbúmina purificada por métodos de fraccionamiento en etanol que se han modificado mucho desde que se describió el método Cohn original. Sigma-Aldrich fabrica y distribuye seroalbúminas purificadas mediante una variedad de métodos primarios, entre ellos el verdadero método de fraccionamiento de Cohn, los métodos de fraccionamiento en etanol modificados, el fraccionamiento térmico y la cromatografía. Etapas de purificación añadidas pueden ser la cristalización o la filtración en carbón activado.
Often referred to as Cohn fraction V; this product is prepared by a modified method of the Cohn cold ethanol fractionation method.

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)


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Kevin Huynh et al.
Metabolites, 8(2) (2018-04-25)
Macrophages are abundant within adipose tissue depots where they are exposed to fatty acids, leading to lipid accumulation. Herein, we have determined the effects of various fatty acids on the macrophage lipidome. Using targeted mass-spectrometry, we were able to detect
Wendy W S Yue et al.
Proceedings of the National Academy of Sciences of the United States of America, 116(11), 5144-5153 (2019-02-24)
G protein-coupled receptor (GPCR) signaling is crucial for many physiological processes. A signature of such pathways is high amplification, a concept originating from retinal rod phototransduction, whereby one photoactivated rhodopsin molecule (Rho*) was long reported to activate several hundred transducins
Ting Wang et al.
Journal of translational medicine, 13, 152-152 (2015-05-09)
Osteoinduction and proliferation of bone-marrow stromal cells (BMSCs) in three-dimensional (3D) poly(ε-caprolactone) (PCL) scaffolds have not been studied throughly and are technically challenging. This study aimed to optimize nanocomposites of 3D PCL scaffolds to provide superior adhesion, proliferation and differentiation
Esmee Koedoot et al.
Nature communications, 10(1), 2983-2983 (2019-07-07)
Ttriple-negative breast cancer (TNBC) is an aggressive and highly metastatic breast cancer subtype. Enhanced TNBC cell motility is a prerequisite of TNBC cell dissemination. Here, we apply an imaging-based RNAi phenotypic cell migration screen using two highly motile TNBC cell
G I Lancaster et al.
Nature communications, 7, 10626-10626 (2016-02-04)
Protein kinase R (PKR) has previously been suggested to mediate many of the deleterious consequences of a high-fat diet (HFD). However, previous studies have observed substantial phenotypic variability when examining the metabolic consequences of PKR deletion. Accordingly, herein, we have

Protocolos

Enzymatic Assay of 3α-Hydroxysteroid Dehydrogenase with Androsterone (EC 1.1.1.50)

Enzymatic Assay of Fumarase

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