Showing papers on "Thienamycin published in 1975"

Process for purifying thienamycin

Abstract: Fermentation broths or impure solutions containing thienamycin, a substance having antibiotic activity against gram-negative and gram-positive microorganisms, are purified using ion exchange resins, poly-acrylamide gels or adsorbents such as polyester polymers or polystyrene, hydrophobic crosslinked divinyl benzene polymers.