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Elizabeth Bugie Gregory (October 5, 1920 – April 10, 2001) was an American biochemist who co-discovered Streptomycin, the first antibiotic against Mycobacterium tuberculosis in Selman Waksman laboratory at Rutgers University. [1] Waksman went on to win the Nobel Prize for Medicine in 1952 and took the credit for the discovery.
1942 – benzylpenicillin, the first penicillin; 1942 – gramicidin S, the first peptide antibiotic; 1942 – sulfadimidine; 1943 – sulfamerazine; 1944 – streptomycin, the first aminoglycoside [2] 1947 – sulfadiazine; 1948 – chlortetracycline, the first tetracycline; 1949 – chloramphenicol, the first amphenicol [2] 1949 – neomycin
The history of penicillin follows observations and discoveries of evidence of antibiotic activity of the mould Penicillium that led to the development of penicillins that became the first widely used antibiotics. Following the production of a relatively pure compound in 1942, penicillin was the first naturally-derived antibiotic.
Zinaida Vissarionovna Yermolyeva (Russian: Зинаида Виссарионовна Ермольева; 24 October [O.S. 12 October] 1898 – 2 December 1974) was a Soviet microbiologist of Don Cossack origin most notable for producing penicillin for the Soviet military during World War II.
Azathioprine is an Immunosuppressive drug used in rheumatoid arthritis, granulomatosis with polyangiitis, Crohn's disease, ulcerative colitis, and in kidney transplants to prevent rejection first synthesized by George H. Hitchings and Gertrude B. Elion in 1957 . [3] [4] [5] AZT Flossie Wong-Staal was the first scientist to clone HIV and map its ...
Ronald Hare also agreed in 1970 that the window was most often locked because it was difficult to reach due to a large table with apparatuses placed in front of it. In 1966, La Touche told Hare that he had given Fleming thirteen specimens of fungi (ten from his lab) and only one from his lab was showing penicillin-like antibacterial activity. [23]
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This was the first antibiotic that was isolated in pure and crystalline form. But the discovery was forgotten. [43] It was rediscovered by two American scientists C.L. Alsberg and O.M. Black in 1912, and given the name mycophenolic acid.