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1:15
#世界历史 1955年3月11日,英国细菌学家亚历山大·弗莱明逝世,终年74岁。1928年,弗莱明在一次偶然间发现了青霉素(盘尼西林),但因当时他无法提纯,致使此药十几年一直未得以使用。直到1939年,弗洛里和钱恩重复了弗莱明的工作,证实了他的结果,然后提纯了青霉素,并取得临床成功,他们三人因此获得了1945年的诺贝尔医学奖。青霉素的发现,使人类找到了一种具有强大杀菌作用的药物,结束了传染病几乎无
4 months ago
douyin.com
滴露微尘
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