产品名称
牛血清白蛋白 来源于牛血清, For use as a marker in SDS-PAGE
biological source
bovine
assay
24-32 mg/vial (biuret)
form
lyophilized powder
mol wt
~66 kDa
purified by
cold ethanol fractionation
packaging
vial of 25 mg
origin
USA origin
concentration
24—32 mg/vial protein (biuret)
technique(s)
electrophoresis: suitable
pH
5.2
solubility
water: slightly soluble
suitability
suitable for (Suitable for use as an electrophoresis marker)
UniProt accession no.
storage temp.
2-8°C
Quality Level
Gene Information
bovine ... ALB(280717)
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Application
Bovine Serum Albumin (BSA) has been used:
- as a standard protein in the elution-filter aided proteome preparation (FASP) method and in sodium dodecyl sulfate-polyacrylamide gel electrophoresis(SDS-PAGE)
- as a component of the molecular weight marker in SDS-PAGE and western blotting
- as a blocking agent in immunofluorescence
Biochem/physiol Actions
BSA的某些构象和初级序列表位是人类对牛肉和牛奶过敏中的可疑过敏原。
Bovine Serum Albumin (BSA) participates in the transport of endogenous and exogenous substances, such as hormones, fatty acids, drugs, and xenobiotics. It is used as a blocking agent in enzyme-linked immunosorbent assay (ELISA). BSA is usually preferred for the preparation of serum-free media. It is used in the pharmaceutical and cosmetic industry.
Preparation Note
血清白蛋白可能也会被称为Fraction V。该命名惯例取自使用冷乙醇沉淀对血清蛋白进行分级的原始Cohn法。 血清白蛋白可在采用Cohn′法的第五乙醇分级中发现。 从此，有些人便开始使用“Fraction V”这一术语来描述血清白蛋白，无论使用的是什么制备方法。 也有人在使用该术语来描述通过乙醇分级方法而纯化得到血清白蛋白，而这种方法是相对于原始的Cohn法一直在得到高度的改良。Sigma-Aldrich生产和分销从各种主要方法纯化得到的血清白蛋白，包括真正的Cohn分级法、改良的乙醇分级方法、热休克和色谱法。 更多的纯化步骤包括结晶或木炭过滤。
General description
Bovine Serum Albumin (BSA) is a globular and α-helical single-chain protein, produced in the liver. This non-glycosylated protein belongs to the serum albumins family. BSA consists of three homologous domains with two sub-domains each.
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
此项目有
Structural changes during the unfolding of Bovine serum albumin in the presence of urea: A small-angle neutron scattering study
Pramana, 63(2), 363-368 (2004)
Feiran Hao et al.
The Analyst, 141(16), 4953-4960 (2016-06-17)
Currently, the separation targets of preparative electrophoresis range from milligrams to micrograms of proteins. However, most commercially available preparative electrophoretic instruments function at the milligram level. Although some preparative electrophoretic apparatuses operated at the microgram level, the fractionation results are
Mehdi Fazlalipour et al.
Jundishapur journal of microbiology, 8(4), e17157-e17157 (2015-06-03)
Gradual development of a useful vaccine can be the main point in the control and eradication of Hepatitis C virus (HCV) infection. Hepatitis C Virus envelope glycoproteins are considered as the main HCV vaccine candidate. In this study, the Pichia
Subhajit Ghosh et al.
The journal of physical chemistry. B, 119(25), 7804-7815 (2015-05-30)
The study of protein-surfactant interactions is important because of the widespread use of surfactants in industry, medicine, and pharmaceutical fields. Sodium N-lauroylsarcosinate (SL-Sar) is a widely used surfactant in cosmetics, shampoos. In this paper, we studied the interactions of bovine
Yuhong Xiao et al.
Journal of immunological methods, 384(1-2), 148-151 (2012-06-27)
The enzyme-linked immunosorbent assay (ELISA) is an extremely common and powerful laboratory technique for detecting proteins by antibodies. Researchers frequently use bovine serum albumin (BSA) as a blocking agent to prevent non-specific binding of antigens and antibodies to the microtiter
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