Tag Archives: Pathogenic bacteria

today’s birthday: Alexander Fleming (1881)


Alexander Fleming (1881)

English: Alexander Fleming receives the Nobel ...

English: Alexander Fleming receives the Nobel Prize from King Gustaf V of Sweden. (Photo credit: Wikipedia)

 

Motivated by the devastating infections he saw in hospitals during World War I, Fleming, a Scottish bacteriologist, began searching for an effective antiseptic.

English: Chemical structure of Penicillin G. H...

English: Chemical structure of Penicillin G. High-resolution .PNG made with Chem3D and IrfanView — see WikiProject Chemistry – structure drawing for detailed instructions. Please drop me a note if you need the source file. (Photo credit: Wikipedia)

In 1922, he discovered lysozyme, an antibacterial enzyme present in saliva and tears. In 1928, he isolated the substance penicillin, which became the first successful antibiotic for human bacterial infections. His work earned him a Nobel Prize and has forever changed modern medicine. In what accidental way did he discover penicillin? More… Discuss