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 After the war, Fleming returned to St. Mary's Hospital as a lecturer and researcher.[([[https://www.britannica.com/biography/Alexander-Fleming|britannica]])]
+===== Discovered Antibiotic Properties Of Penicillin =====
+In 1928, Fleming discovered the antibiotic properties of penicillin while working with staphylococci bacteria.[([[https://www.acs.org/education/whatischemistry/landmarks/flemingpenicillin.html|acs]])]
+===== Petri Dish =====
+He famously noticed that a mold called Penicillium notatum had contaminated a petri dish and inhibited the growth of bacteria around it.[([[https://www.pbs.org/newshour/health/the-real-story-behind-the-worlds-first-antibiotic|pbs]])]
+===== First Antibiotic =====
+This discovery led to the development of penicillin, the world's first antibiotic, which revolutionized medicine and saved millions of lives.[([[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5403050/|ncbi]])]
+===== Name Origin =====
+Fleming named the substance penicillin after the Penicillium mold from which it was derived.[([[https://www.imperial.ac.uk/news/204713/genome-alexander-flemings-original-penicillin-producing-mould/|imperial]])]
+===== Struggled To Mass Produce =====
+Despite his groundbreaking discovery, Fleming initially struggled to isolate and produce penicillin in large quantities.[([[https://www.sciencemuseum.org.uk/objects-and-stories/how-was-penicillin-developed|sciencemuseum]])]
+===== Meeting Florey And Chain =====
+It wasn't until the 1940s, with the work of Howard Florey and Ernst Boris Chain, that penicillin was successfully mass-produced and used as a medicine.[([[https://www.acs.org/education/whatischemistry/landmarks/flemingpenicillin.html|acs]])]
+===== Nobel Prize in Physiology Or Medicine =====
+Fleming received the Nobel Prize in Physiology or Medicine in 1945, along with Florey and Chain, for their contributions to the discovery and development of penicillin.[([[https://www.nobelprize.org/prizes/medicine/1945/summary/|nobelprize]])]
+===== Contributions To Medicine =====
+In addition to penicillin, Fleming made other significant contributions to medicine, including the discovery of lysozyme, an enzyme with antibacterial properties found in tears and saliva.[([[https://jasbsci.biomedcentral.com/articles/10.1186/s40104-015-0034-z|biomedcentral]])]
+===== Work On Lysozyme =====
+Fleming's work on lysozyme helped pave the way for research on the body's natural defense mechanisms against infection.[([[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8698798/|ncbi]])]
+===== Enzyme Heparin =====
+He also investigated the therapeutic uses of other substances, such as the enzyme heparin, which is used as an anticoagulant.[([[https://pubmed.ncbi.nlm.nih.gov/21838662/|pubmed]])]
+===== Modest =====
+Fleming was known for his modesty and humility, often downplaying his own achievements and crediting others for their contributions.[([[https://scottishritenmj.org/blog/alexander-fleming-freemason|scottishritenmj]])]
+===== Dedicated Researcher =====
+He was a dedicated researcher and spent much of his career studying infectious diseases and searching for new ways to combat them.[([[https://www.sciencehistory.org/education/scientific-biographies/alexander-fleming/|sciencehistory]])]
+===== Fellow Of Royal Society =====
+Fleming was a Fellow of the Royal Society and a member of numerous other scientific organizations.[([[https://collection.sciencemuseumgroup.org.uk/people/cp93672/alexander-fleming|sciencemuseumgroup]])]
+===== Knighted =====
+In 1944, Fleming was knighted for his contributions to medicine.[([[https://www.pbs.org/wgbh/aso/databank/entries/bmflem.html|pbs]])]
+===== St Mary's Hospital After Retirement =====
+He continued to work at St. Mary's Hospital until his retirement in 1948, after which he served as Emeritus Professor of Bacteriology at the University of London.[([[https://www.aai.org/About/History/Notable-Members/Nobel-Laureates/AlexanderFleming|aai]])]
+===== Married Sarah Marion McElroy =====
+Fleming married Sarah Marion McElroy in 1915, and they had one child together, a son named Robert.[([[https://electricscotland.com/history/other/fleming_alexander07.htm|electricscotland]])]
+===== Sportsman =====
+Fleming was an avid sportsman and enjoyed activities such as golfing and fishing in his spare time.[([[https://cpdaugusta.com/meet-the-team/|cpdaugusta]])]
+===== Interested In Art And Music =====
+He was also interested in art and music, and he played the violin.[([[https://www.twinkl.com/teaching-wiki/sir-alexander-fleming|twinkl]])]
+===== Humourous =====
+Fleming was known for his quirky sense of humor and his love of practical jokes.[([[https://electricscotland.com/history/other/fleming_alexander05.htm|electricscotland]])]
+===== Remained Grounded =====
+Despite his success, Fleming remained grounded and retained his Scottish accent throughout his life.[([[https://archive.org/stream/B-001-014-322/B-001-014-322_djvu.txt|archive]])]
+===== Advocate For Peace =====
+Fleming was deeply affected by the loss of his brother, who died in World War I, and he became a staunch advocate for peace.
+[([[https://www.acs.org/education/whatischemistry/landmarks/flemingpenicillin.html|acs]])]
+===== Power Of Education =====
+He believed in the power of education and often spoke out against ignorance and superstition.[([[https://www.twinkl.com/teaching-wiki/sir-alexander-fleming|twinkl]])]
+===== Awarded =====
+Fleming was awarded numerous honors and accolades for his contributions to science and medicine.[([[https://study.com/academy/lesson/alexander-fleming-penicillin-accomplishments-awards.html|study]])]

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