Alexander Flemming

  • 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....