In Our Time cover image

Penicillin

In Our Time

CHAPTER

The Life and Times of Fleming

Fleming had been at the front in the First World War. He noted that various bodily fluids, such as tears, contain an enzyme which is called lysazine,. But it didn't really work in clinical terms and was broken down rather quickly. So he came to nothing until finally he was picked up by Florian Chain in Oxford.

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