Before giving an order to our supplier,we will ask for samples of different batch for testing.We test these samples on several cell lines - including primary cells - that are very sensitive to endotoxin and attachment/growth factors.According to the result only the best lots will be selected and provided to our customers.
We are using FBS (South American Origin,PS-FB5-SA) from PeakSerum Inc.It works quite well with Hek 293 cells line and primary microglial cultures.The cells cultured with this FBS grow fast and are good condition for experiments.
Our company used PeakSerum's U.S Origin FBS to culture 293s cell line.It works better in the growth rate and cellular status than the South American FBS we used before.We are satisfied with its price and quality.We also enjoyed the services provided by Ephraim International.
We tested Peak Serum's US Origin FBS (PS-FB1) on A549, MCA205, 293FT, HepG2,MC38,B16,HT-29,3T3L1,RAW264.7 and H460 cell lines. This serum is high quality, and it works well in our cell lines.We were very satisfied with the quality and price.