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2 days ago · On 28 April 1961, at 2:00 p.m. local time, British Nobel Laureate Ernst B. Chain landed at the Beijing Airport, where he was welcomed by Qin Lisheng, vice secretary-general of the Chinese Academy of Sciences (CAS), for the start of his month-long visit to China. 1 During and after the visit, Chain offered some valuable advice regarding antibiotics to his Chinese counterparts, which helped the ...
6 days ago · Australian pathologist Howard Florey and British biochemist Ernst Boris Chain isolated and purified penicillin in the late 1930s, and by 1941 an injectable form of the drug was available for therapeutic use.
- The Editors of Encyclopaedia Britannica
17 hours ago · In 1940, Ernst Chain and Edward Abraham reported the first indication of antibiotic resistance to penicillin, an E. coli strain that produced the penicillinase enzyme, which was capable of breaking down penicillin and negating its antibacterial effect.
5 days ago · Alexander Fleming, Scottish bacteriologist best known for his discovery of penicillin in 1928, which started the antibiotic revolution. He was recognized for that achievement in 1945, when he received the Nobel Prize for Physiology or Medicine, along with Howard Walter Florey and Ernst Boris Chain.
17 hours ago · A decade later, in the late 1930s, German-born British biochemist Ernst Boris Chain rediscovered Fleming's overlooked 1929 paper. Recognizing its potential, Chain suggested to Australian scientist Howard Florey that investigating antibacterial substances produced by microorganisms could be a promising line of research.
3 days ago · Howard Walter Florey, Baron Florey, OM FRS FRCP (/ ˈflɔːri /; 24 September 1898 – 21 February 1968) was an Australian pharmacologist and pathologist who shared the Nobel Prize in Physiology or Medicine in 1945 with Ernst Chain and Sir Alexander Fleming for his role in the development of penicillin.
1 day ago · This phenomenon was realised by Ernst Chain and Edward Abraham while trying to identify the exact of penicillin. In 1940, they discovered that unsusceptible bacteria like Escherichia coli produced specific enzymes that can break down penicillin molecules, thus making them resistant to the antibiotic.
