Essay Examples on Central Queensland University

Penicillin was one of the first Antibiotics

Penicillin was one of the first antibiotics to be created It was discovered by bacteriologist Dr Alexander Fleming In September 1928 Dr Fleming noticed a spot on his petri dish that contained staphylococcus which is a bacterium that causes boils and a sore throats When he looked closely he saw that it was mold that was called Penicillium Dr Fleming found that not only was the bacteria in the petri dish being destroyed but also that the mold Penicillium was capable of killing a large number of harmful bacteria Fleming then partnered with is assistants in order to isolate and purify the penicillium into a crude form of penicillin He published his finding in June 1929 stating that penicillin was beneficial to humans It was not until ten years later in 1939 that Florey and Chain from the Oxford University began to experiment more with penicillin with the notion to purify it so that it could be used to aid in the war They had to stabilize the penicillin first and test it to make sure that it would be safe for humans to consume A test was first done with mice Florey and Chain infected 50 mice with a terminal illness half of the mice were given penicillin 

2 pages | 410 words