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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physiology or Medicine 1943
Henrik Dam, Edward A. Doisy

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Edward A. Doisy - Facts

Edward Adelbert Doisy

Edward Adelbert Doisy

Born: 13 November 1893, Hume, IL, USA

Died: 23 October 1986, St. Louis, MO, USA

Affiliation at the time of the award: Saint Louis University, St. Louis, MO, USA

Prize motivation: "for his discovery of the chemical nature of vitamin K"

Field: biochemistry, chemistry

Edward A. Doisy received his Nobel Prize one year later, in 1944.

Prize share: 1/2

Work

In addition to carbohydrates, proteins and fats, our bodies need vitamins to function well. Henrik Dam's revelation that a substance he called vitamin K was needed for blood to coagulate was followed by a number of investigations into how this substance can be obtained. In 1939 Edward Doisy succeeded in producing two variants of vitamin K in pure form, allowing him to determine its structure and to produce it by artificial means. This became especially important in treating bleeding among small children.

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