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Discovery of enzyme iysozyme
One of his best known discoveries -
Discovery of the antibiotic substance PNC(penicillin)
Alexander accidenlty discovered that an active ingredient in mould turned out to be infection fighting substance -
How was PNC actually discovered
One day Flemming put all his cultures of straphylococci in a room. When he came back he noticed one of his expirements was contaminated with mould and that he could make an antibiotic which he called PNC -
The start of antibiotics
isolation of PNC is the start of modern antibiotics -
published his discovery
He published PNC in the British journal of expiremental pathology -
discovery of bacteria
It developed antibiotic resistance when a little amount of PNC was used....