Product Differentiation Table

  FBS Products FBS Alternatives
Ultimate Grade FBS Premium Grade FBS Select Grade FBS Ultra Low IgG FBS FB Essence Bovine Calf Serum, Iron Supplemented
Country of Origin 100% US Origin  X X   X X X
USDA Approved Origin (Non-US)     X      
Product Features Single-Use Filtration Technology X X X X X  
Cold Temperature Manufactured X X X   X  
Class 100 Cleanroom Manufactured X X X   X  
Triple 0.1μm Sterile Filtered X X X X X  
Whole-lot Homogenous Technology X X X X X X
Independently Tested by Third-Party Laboratories X X X X X X
Specifications
Endotoxin** ≤ 5 ≤ 5 ≤ 10 ≤ 5 ≤ 20 ≤ 20
Hemoglobin** ≤ 25 ≤ 25 ≤ 25 ≤ 25 ≤ 25 ≤ 30
9CFR Virus Testing, Sterility, Mycoplasma X X X X X X
Biochemical Assay X X X X X X
Electrophoretic Profile X X X X X X
Additional Virus Testing by qPCR Technology X          

** The care and attention devoted to the manufacture of our sera generates final test results that are substantially lower than set specifications. See lot-specific Certificates of Analysis for actual test results.