A3294
牛血清白蛋白 来源于牛血清
heat shock fraction, protease free, pH 7, ≥98%
别名:
BSA, 牛白蛋白, 牛血清白蛋白
产品名称
牛血清白蛋白 来源于牛血清, heat shock fraction, protease free, pH 7, ≥98%
biological source
bovine
assay
≥98%
form
lyophilized powder
mol wt
~66 kDa
purified by
heat shock fractionation
packaging
poly bottle of
origin
USA origin
technique(s)
ELISA: suitable
blood typing: suitable
microbiological culture: suitable
impurities
protease, none detected
loss
≤5%
pH
7
solubility
water: soluble (40 mg/ml)
UniProt accession no.
foreign activity
BT Virus, none detected
VSV Virus, none detected
storage temp.
2-8°C
Quality Level
Gene Information
bovine ... ALB(280717)
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Application
牛血清白蛋白已用于：
- 封闭抗体的非特异性结合
- 作为精子活力激发培养基组分
- 通过二辛可宁酸(BCA) 方法测定细菌素的蛋白浓度
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。
Features and Benefits
- 热休克分级
- 无蛋白酶
General description
白蛋白大量存在于人血浆中。白蛋白浓度升高会造成脱水。患有缺铁性贫血的儿童常见有白蛋白周转异常。可作为肝病的预测性指标。
Preparation Note
热激分级分离法制取
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。
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
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