The Nobel Prize in Physiology or Medicine 1908
Born: 14 March 1854, Strehlen (now Strzelin), Prussia (now Poland)
Died: 20 August 1915, Bad Homburg vor der Höhe, Germany
Affiliation at the time of the award: Goettingen University, Göttingen, Germany, Königliches Institut für experimentelle Therapie (Royal Institute for Experimental Therapy), Frankfurt-on-the-Main, Germany
Prize motivation: "in recognition of their work on immunity."
Prize share: 1/2
Our immune system protects us from attacks by microorganisms. As part of its defenses, the immune system forms antibodies in the blood that neutralize poisons, or toxins, that are formed by bacteria. One of Paul Ehrlich's contributions to immunology was the transfer of blood serum with antibodies to treat and counteract diphtheria, which he carried out with Emil von Behring. Paul Ehrlich speculated that cells have a kind of receptor that binds to the harmful substances. The receiving elements are knocked off of the cell and become antibodies.
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