part_of has_component controlled in vitro cell condition penicillin-streptomycin 2023-04-06T13:28:20Z PMID:31283468 Pen-Strep This is any experimental condition in which the main influencing factor is a mixture of penicillin G and streptomycin (penicillin-streptomycin) that is widely used in mammalian cell culture media to prevent bacterial contamination. The solution contains 5,000 units of penicillin G (sodium salt) which acts as the active base, and 5,000 micrograms of streptomycin (sulfate) (base per milliliter), formulated in 0.85% saline. XCO:0001011 experimental_condition_ontology slaulede penicillin