產地：Roche
貨號：11074547001
Product Description
Biological activity: Tested for the serum-free c*tion of 3T3 （A31） cells （MTT cleavage）
Source: Insulin: bovine pancreas; Transferrin: human serum; Sodium selenite: synthetic
Working concentration: Insulin, 5 µg/ml, Transferrin, 5 µg/ml and Sodium selenite, 5 ng/ml （3.0 x 10 -8 M）
Contents
Lyophilizate, before lyophilization filtered through a 0.2 µm pore size membrane
Quality
Insulin: >99% （HPLC）, Transferrin: >98% （SDS-PAGE）, Sodium selenite: >99%
Application
The insulin-transferrin-sodium selenite supplement contains the most essential growth-promoting components of serum-free culture media in an optimized ratio. It is used as a basal growth-factor supplement to which other cell type-specific nutrients and growth factors are added.