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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Physiology or Medicine 1970
Sir Bernard Katz, Ulf von Euler, Julius Axelrod

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Sir Bernard Katz - Facts

Sir Bernard Katz

Sir Bernard Katz

Born: 26 March 1911, Leipzig, Germany

Died: 20 April 2003, London, United Kingdom

Affiliation at the time of the award: University College, London, United Kingdom

Prize motivation: "for their discoveries concerning the humoral transmittors in the nerve terminals and the mechanism for their storage, release and inactivation"

Field: neurophysiology

Prize share: 1/3

Work

The nervous systems of people and animals consist of many nerve cells with long extensions, or nerve fibers. Signals are conveyed between cells by small electrical currents and by special substances known as signal substances. The transfers occur via contacts, or synapses. In the 1950s Bernard Katz studied how impulses in motor neurons activate muscular activity by measuring variations in electrical charges. For example, he showed how the signal substance acetylcholine in synapses is released in certain amounts.

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