Fast-Media® Amp TB Microwaveable medium for selection of E. coli transformants Fast-Media® Amp TB formulation is a Terrific Broth based liquid medium supplemented with ampicillin. It's used for high cell density culture of transformed bacteria, and extraction of high quantity and quality of required plasmid. 1 pouch = 200 ml TB liquid medium Selective Antibiotic: Ampicillin Stability: 48h at 37°C or 4 weeks ar 4°C Sterility guaranteed