Tetracycline-free FBS : r/labrats Biosera Tetracycline-Free Serum is tested for the presence of chlorotetracycline, oxytetracycline, and tetracycline. All FBS batches are tested for endotoxin.
Tetracycline Negative Fetal Bovine Serum - Product Fetal Bovine Serum (FBS), Tetracycline Negative is widely used in eukaryotic cell culture, typically as a supplement for growth media.
Fetal bovine serum for cell culture (tetracycline-free) Fetal Bovine Serum can contain the antibiotic tetracycline (tet) and researchers using very sensitive tet-inducible gene expression systems encounter It's not fundamentally necessary to use tet-free FBS. My understanding is that the tet comes from antibiotic-injected cows, so it would be batch-dependent.
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