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Penicillin: Who Found This Functional Fungus

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❶A few days later, Fleming was examining these bacteria.

Fleming’s Most Significant Contributions to Science

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It could kill some bacteria, but did not work against the strongest infections. He had so much going on in his lab that it was often in a jumble.

This chaos proved very fortunate… In he was straightening up a pile of petri dishes where he had been growing bacteria, but which had been piled in the sink. He opened each one and examined it before tossing it into the cleaning solution. One made him stop and take a closer look: This was not surprising; however, what was surprising was that all around where the mould had grown, the bacteria had been killed.

Fleming took a sample of the mould. He found that it was a type of mould called penicillin. He had discovered a type of mould that would kill bacteria! Fleming presented his findings in , but no one was very interested. Following are the services we offer on as soon as possible basis: All of these services are plagiarism free and we also provide students with free revision if our professional writers make any issue or fail to satisfy the student.

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There is no need to worry at all now that you are here and we can write an essay urgent for you. It destroys bacteria by breaking down their cell walls, shown in pink. In the month of August , Fleming did something very important. He enjoyed a long vacation with his wife and young son. On Monday, September 3, he returned to his laboratory and saw a pile of Petri dishes he had left on his bench.

The dishes contained colonies of Staphylococcus bacteria. While he was away, one of his assistants had left a window open and the dishes had become contaminated by different microbes. Annoyed, Fleming looked through the dishes and found something remarkable had taken place in one of them.

A fungus was growing and the bacterial colonies around it had been killed. Farther from the fungus, the bacteria looked normal. Hoping he had discovered a better natural antibiotic than lysozyme, Fleming now devoted himself to growing more of the fungus. He identified that it belonged to the Penicillium genus and that it produced a bacteria-killing liquid. On March 7, he formally named the antibiotic penicillin.

Fleming published his results, showing that penicillin killed many different species of bacteria, including those responsible for scarlet fever, pneumonia, meningitis, and diphtheria.

Furthermore, penicillin was non-toxic and it did not attack white blood cells. Regardless of these issues, Fleming continued with some work on penicillin in the s, but never made the breakthrough he needed to produce it in large, concentrated quantities. In the early s a team of scientists led by pathologist Howard Florey and biochemist Ernst Boris Chain at the University of Oxford transformed penicillin into the medicine we know today.

The award was made:. In his Nobel Prize winning speech in , Fleming warned of a danger which today is becoming ever more pressing:. Despite his modesty, he became a worldwide hero. Millions of people owed their lives to the antibiotic he had discovered. Typically of Fleming, he did not accept the gift for himself: Their only son, Robert, became a general medical practitioner. In Fleming married Dr. On March 11, Alexander Fleming died age 73 in London of a heart attack.

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Alexander Fleming was a Scottish scientist who discovered the first antibiotic drug, penicillin. He shared the Nobel Prize for Medicine in with Howard Florey and Ernst Chain, who had also worked on developing penicillin as a drug. Fleming’s research helped pave the way for all modern antibiotics, which have proved to be effective drugs for the treatment of many diseases, including.

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Here are some facts about Alexander Fleming. Alexander Fleming was born in Lochfield, Ayrshire (Scotland) on 6th August When he was twenty, Alexander started a course at St Mary’s Hospital Medical School in Paddington, London. His brother, Tom, was also a doctor. After completing his medical degree, Fleming joined the research team at St [ ]. (–). Penicillin was discovered in September It has saved millions of lives by stopping the growth of the bacteria that are responsible for blood poisoning and many other once fatal diseases. This miracle drug was one of the first antibiotics. It was discovered and given to the world by Alexander Fleming, a physician and research bacteriologist at St. Mary’s Hospital Medical.

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