S2Media™ LB Agar, Miller's Formulation, with Ampicillin-50 is a selective and non-differential medium recommended for the cultivation and maintenance of recombinant strains of Escherichia coli. LB Agar, Miller is a nutritionally rich media developed by Lennox for molecular genetics studies. This formulation contains 10.0g/L of sodium chloride, compared to 5.0g/L in LB Agar, Lennox. Ampicillin is a ß-lactam antibiotic that inhibits bacterial cell-wall synthesis by inactivating transpeptidases on the inner surface of the bacterial cell membrane.• Product meets reference methods and performance criteria.• LB Agar Amp-50 should be used by trained professionals within a laboratory setting. • Product is not intended for use in the diagnosis or treatment of disease or other human conditions.• Contains 50µg/mL Ampicillin.