Many difficulties were encountered in the early attempts to isolate and purify penicillin.
Discovery of penicillin
Found in 1 providers: grok
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"I have always been interested in the effect of one microbe on another."
Strange & Unusual"I found penicillin and have given it free for the benefit of humanity. Why should it become a profit-making monopoly of manufacturers in another country?"
Humorous"Nature makes penicillin; I just found it."
Strange & Unusual"The mold was a lucky accident, but the observation was not."
Strange & Unusual"It is not difficult to make microbes resistant to penicillin in the laboratory by exposing them to concentrations not sufficient to kill them, and the same thing has occasionally happened in the body."
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