IFN-alpha-2B Protein

产品参数

别名(Synonyms)

IFN-alpha 2b;IFN-a2b;IFNA2b 

Accession

P01563

表达系统(Source)

CHO Cells, Human IFN-a2b(Cys24-Glu188)

分子量大小(Molecular Weight)

Approximately 19.2 kDa.

外观(Physical Appearance

White powder, Colorless clear liquid after reconstitution

纯度(Purity)

≥95%, by SDS-PAGE (under reducing (R)&Non-reducing conditions,visualized by Coomassie staining)

生物活性(Biological Activity)

Measured by a cytotoxicity assay using TF-1 Cells. The ED50 this effect is

≤100 pg/mL, corresponding to a specific activity is ≥1 ×10 7 units/mg.

内毒素(Endotoxin)

< 10 EU/mg of the protein by the LAL method.

制剂(Formulation)

Lyophilized from a 0.2 um filtered solution containing PBS,5% mannitol and 0.01% Tween 80, pH7.4.

复溶(Reconstitution)

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.

 

使用方法

建议开盖之前先离心,以将内容物带到底部,使用无菌去离子水中复溶。

 

储存条件

2 ~8 ℃保存,收到货后,一年有效期。

复溶后, 2 ~8 °C保存,7-10天有效期。

复溶后, -85~-65℃保存,6个月有效期。

建议第一次使用时分装冻存,避免反复冻融。

 

注意事项

1.为了您的安全和健康,请穿实验服,戴一次性手套进行操作。

2.仅供研究使用!

COA 请填写COA申请表

目录号:*

姓名*

手机号:*

份额:*

邮箱*

国家:*

公司/机构:*