| Description | A combination of penicillin and streptomycin which is effective against most gram positive and gram negative bacteria when used at a working concentration of 100,000 I.U. Penicillin/100,000 µg/mL Streptomycin per liter. The sterile solutions are | This combination of Penicillin, Steptomycin, and Amphotericin is effective against the most common forms of cell culture contamination; bacteria (gram positive and gram negative), yeast, and fungi; when used at a concentration of 10 mL/L. The sterile |