In 1922, Fleming made an important discovery, lysozyme. While working with some bacteria, Fleming's nose leaked, dropping some mucus onto the dish. The bacteria disappeared. Fleming had discovered a natural substance found in tears and nasal mucus that helps the body fight germs. Fleming now re...
Alexander Fleming is the scientist who discovered an antibacterial activity in a Penicillium growth medium. To avoid repetition of the phrase “mold broth filtrate,” he coined the term “penicillin,” a substance that eventually became known as a “miracle drug.” Fleming's story has been told...
Sir Alexander Fleming: Scottish researcher who discovered penicillin. The discovery and development of penicillin changed the entire direction of approaches to treating infectious diseases and saved the lives of millions of people. Indeed, the development of penicillin was a watershed event in the battle...
Fleming discovered penicillin. Florey and Chain made it a usable product with a nickname of “wonder drug”. All three of them were awarded the 1945 Nobel Prize in Physiology or Medicine. The development 6f penicillin(1928-1945) The ___51___of penicillin ...
Sir Alexander Fleming- Scottish bacteriologist who discovered penicillin (1881-1955) Alexander Fleming,Fleming Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page,...
Fleming discovered the bacteria had grown and covered the entire plate except for one area, which was covered in mold. After investigating further, Fleming found a substance in the mold that prevented the bacteria from growing, even if it was diluted 800 times. He named the substance penicillin...
自从英国细菌学家亚历山大·弗莱明(Alexander Fleming)于 1928 年发现青霉素开始,抗生素挽救了无数人的生命。 然而,抗生素耐药性细菌的出现为感染性疾病的治疗前景蒙上了一层阴影,目前已经成为现代医学中一个棘手的问题。 入侵机体的细菌凭借对抗生素的耐药性,可以持续存活、增殖,进而引起严重的炎症反应,阻止伤口的正常愈...
Some years later, in December of 1943, Winston Churchill became very ill with pneumonia while in North Africa. Word was sent to Sir Alexander Fleming, who had discovered the new wonder drug, penicillin, to come immediately. Flying in from England, Dr. Fleming administered his new drug to the...
1928—Sir Alexander Fleming observes that colonies of the bacteriumStaphylococcus aureuscould be destroyed by the moldPenicillium notatum, demonstrating the principle of antibiotics. 1935—Prontosil, the first sulfa drug, is discovered in 1935 by German chemist Gerhard Domagk. ...
On September 3, 1928, Alexander Fleming was hard at work. His___was to study bacteria in a lab. While working, Fleming found mold (霉菌) on one of his Petri dishes. And when he looked___, he saw something___. The bacteria he studied were also___all over the dish, but they ...