Paul Ehrlich facts for kids

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Paul Ehrlich
Paul Ehrlich
Born 14 March 1854
Strehlen, Upper Silesia, Germany
Died 20 August 1915
Bad Homburg, Germany
Nationality German
Fields Immunology
Institutions Goettingen University,
Königliches Institut für experimentelle Therapie
Alma mater Universities of Breslau, Strassburg, Leipzig
Notable awards Nobel Prize in Physiology or Medicine (1908)

Paul Ehrlich (14 March 1854 – 20 August 1915) was a German doctor. He won the 1908 Nobel Prize in Physiology or Medicine, with Ilya Mechnikov, for finding out how immunity fights disease.

He studied trypanosomiasis and other protozoal diseases. He produced trypan red, which was (as his Japanese assistant Shiga showed) effective against trypanosomes.

He invented a staining system for bacteria (before Gram staining). He did a complete survey of all the cell staining techniques then known. He showed how to tell the difference between different kinds of white blood cells, and discovered mast cells. He discovered that methylene blue, which stains bacteria and cell nuclei, could put the malarial parasite, Plasmodium, into recession (the fever drops).

He also made a decisive contribution to an antiserum against diphtheria, and developed a method for standardizing therapeutic serums. His co-worker got a sole Nobel Prize for the joint work on diphtheria.

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