A5611
Bovine Serum Albumin
Cohn Fraction V, lyophilized powder, ≥96% (agarose gel electrophoresis)
Synonym(s):
Albumin bovine serum, BSA, Bovine albumin
Sign Into View Organizational & Contract Pricing
All Photos(3)
About This Item
Recommended Products
biological source
bovine
Quality Level
Assay
≥96% (agarose gel electrophoresis)
form
lyophilized powder
mol wt
~66 kDa
packaging
poly bottle of
origin
USA origin
technique(s)
immunohistochemistry: suitable
pH
4.8-7.5
solubility
H2O: soluble 40 mg/mL, clear to slightly hazy, yellow
UniProt accession no.
storage temp.
2-8°C
Gene Information
bovine ... ALB(280717)
Looking for similar products? Visit Product Comparison Guide
General description
Serum albumins are soluble constituents of the circulatory system. Bovine serum albumin (BSA) is homologous to human serum albumin (HSA). BSA consists of three homologous domains (I, II, III), that are separated into nine loops by disulfide bonds. Serum albumin acts as a depot protein.
Application
Bovine Serum Albumin has been used:
- for in vitro high molecular weight (HMW)-species formation assay
- for immunohistochemistry
- in Escherichia coli quantitative polymerase chain reaction (qPCR) analysis
Biochem/physiol Actions
Certain conformational and primary-sequence epitopes of BSA are suspected allergens in human beef and milk allergies.
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.
This is a cold alcohol fractionated albumin that is produced by Sigma-Aldrich with a stricter adherence to the original Cohn method of fractionation than other commercially available bovine albumins.
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
S Valera et al.
Proceedings of the National Academy of Sciences of the United States of America, 89(20), 9949-9953 (1992-10-15)
The major brain nicotinic acetylcholine receptor is assembled from two subunits termed alpha 4 and n alpha 1. When expressed in Xenopus oocytes, these subunits reconstitute a functional acetylcholine receptor that is inhibited by progesterone levels similar to those found
Formation of high molecular weight p62 by CORM-3
Aki T, et al.
Testing, 14(1), e0210474-e0210474 (2019)
X Sui et al.
Proceedings of the National Academy of Sciences of the United States of America, 92(7), 2859-2863 (1995-03-28)
gp130, a signal-transducing receptor component of interleukin 6 (IL-6), associates with an IL-6 and IL-6 receptor (IL-6) complex and transduces signals. To examine the role of gp130 signaling in the expansion of human hemopoietic progenitor cells, we tested the effects
Standardized data quality acceptance criteria for a rapid Escherichia coli qPCR method (Draft Method C) for water quality monitoring at recreational beaches
Sivaganesan M, et al.
Water Research (2019)
Type III collagen directs stromal organization and limits metastasis in a murine model of breast cancer
Brisson BK, et al.
The American Journal of Pathology, 185(5), 1471-1486 (2015)
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service