Sir Ernst Boris Chain

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Related to Ernst Chain: Howard Florey, Sir Ernst Chain
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Noun1.Sir Ernst Boris Chain - British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979)
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Thereafter, the therapeutic potential of penicillin went largely unexplored until 1940, when a team of researchers headed by Howard Florey and Ernst Chain showed that it produced dramatic improvements in mice with streptococcal infections.
It took two biochemists, Howard Florey and Ernst Chain, and the pressure of World War II to turn the mold into a usable antibiotic.