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The medicinal potential of penicillin was accidentally discovered by the Scottish scientist Alexander Flemming in 1928The chemical structure of penicillin was worked out using X-ray ...

or penicillin V. The physical and chemical properties of penicillin V suggested that it might be more satisfactory than penicillin G for oral administration. Both the free acid and the potassium ...

It was a stroke of luck. It quickly became obvious that to understand how penicillin was functioning, we would need to investigate the structure of bacterial cell walls and the mode of their ...