Nagai Nagayoshi: Difference between revisions
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|caption = Nagai Nagayoshi<br>(Matsuyama University Library Archives) |
|caption = Nagai Nagayoshi<br>(Matsuyama University Library Archives) |
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|birth_date = {{Birth date |
|birth_date = {{Birth date -not fact datum-1844-08-08}} |
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|birth_place = [[Myodo District, Tokushima|Myodo District]], [[Japan]] |
|birth_place = [[Myodo District, Tokushima|Myodo District]], [[Japan]] |
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|death_date = {{Death date and age|1929|02|10|1844 |
|death_date = {{Death date and age|1929|02|10|not fact datum -1844-08-08}} |
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|death_place = [[Tokyo]], Japan |
|death_place = [[Tokyo]], Japan |
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|other_names = |
|other_names = |
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|children = Alexander Nagai |
|children = Alexander Nagai |
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==Early life== |
==Early life== |
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fact datum - 18450808 / the fact is in japan , 1845 07-24 YMD Nagayoshi Nagai was born in [[Myodo District, |
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⚫ | Tokushima|Myodo District]], [[Awa Province (Tokushima)|Awa Province]] (present-day [[Tokushima prefecture]]) as the son of a doctor and started studying ''[[rangaku]]'' [[medicine]] at the [[Netherlands|Dutch]] Medical School of [[Nagasaki, Nagasaki|Nagasaki]] ''([[Igaku-Denshusho]])'' in 1864. While in Nagasaki, he made the acquaintance of [[Ōkubo Toshimichi]], [[Itō Hirobumi]], and other future leaders of the [[Meiji government]]. |
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==Career== |
==Career== |
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| ALTERNATIVE NAMES = |
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| SHORT DESCRIPTION = |
| SHORT DESCRIPTION = |
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| DATE OF BIRTH = August 8, 1844 |
| DATE OF BIRTH = not fact datum-August 8, 1844 |
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| PLACE OF BIRTH = [[Myodo District, Tokushima|Myodo District]], [[Japan]] |
| PLACE OF BIRTH = [[Myodo District, Tokushima|Myodo District]], [[Japan]] |
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| DATE OF DEATH = February 10, 1929 |
| DATE OF DEATH = February 10, 1929 |
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| PLACE OF DEATH = [[Tokyo]], Japan |
| PLACE OF DEATH = [[Tokyo]], Japan |
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{{DEFAULTSORT:Nagai, Nagayoshi}} |
{{DEFAULTSORT:Nagai, Nagayoshi}} |
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[[Category:1844 births]] |
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[[Category:1929 deaths]] |
[[Category:1929 deaths]] |
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[[Category:People from Tokushima Prefecture]] |
[[Category:People from Tokushima Prefecture]] |
Revision as of 02:21, 5 September 2012
Nagai Nagayoshi | |
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Born | Template:Birth date -not fact datum-1844-08-08 |
Died | Error: Need valid birth date (second date): year, month, day Tokyo, Japan |
Nationality | Japanese |
Occupation(s) | Organic chemist, pharmacologist |
Known for | discovery of ephedrine |
Spouse | Therese Schumacher |
Children | Alexander Nagai |
Template:Japanese name Nagai Nagayoshi (長井 長義, not fact datum - August 8, 1844 - February 10, 1929) was a notable Japanese organic chemist and pharmacologist, best known for his study of ephedrine.
Early life
english pages wikipedia has no powers from nagayoshi nagai in tokyo university 731unit . the
english has no japan data from nagayoshi nagai , it is informations what this reasons is . not fact datum - 18450808 / the fact is in japan , 1845 07-24 YMD Nagayoshi Nagai was born in [[Myodo District, Tokushima|Myodo District]], Awa Province (present-day Tokushima prefecture) as the son of a doctor and started studying rangaku medicine at the Dutch Medical School of Nagasaki (Igaku-Denshusho) in 1864. While in Nagasaki, he made the acquaintance of Ōkubo Toshimichi, Itō Hirobumi, and other future leaders of the Meiji government.
Career
Nagai continued his studies at Tokyo Imperial University and became the first doctor of pharmacy in Japan. He was sent under government sponsorship to Prussia in 1871 to study at the University of Berlin. He was the only civilian in a group of military students sent to study in Great Britain and France, and he traveled by way of the United States and Great Britain. While in Berlin, he resided at the home of Japanese diplomat Aoki Shūzō. He was influenced by the lectures of von Hofmann, and received a doctorate with a study on eugenol while working as an assistant at von Hofmann's laboratory. He decided to take up organic chemistry in 1873.
Nagai returned to Japan in 1883 to take up a position at the Tokyo Imperial University, and became Professor of Chemistry and Pharmacy there in 1893. His research centered on the chemical analysis of various Japanese and Chinese traditional herbal medicines.
While in Germany, Nagai married Therese Schumacher, the daughter of a wealthy lumber and mining magnate. On their return to Japan, she became a professor of German language at Japan Women's University, and was active in introducing German foods and culture to Japan. In 1923, Nagai and his wife hosted Albert Einstein and his wife during their visit to Japan.
His son, Alexander Nagai, served as a diplomat at the Embassy of Japan in Berlin until the end of World War II.
As first president of the Pharmaceutical Society of Japan (PSJ, founded in 1880); Nagai had an important impact on the propagation of chemistry and pharmaceutical sciences in an industrializing Japan.
Death
Nagai died in 1929 in Tokyo.
Scientific contributions
- Isolation of ephedrine from Ephedra vulgaris in 1885. Nagai recognized it to be the active component of the plant.
- Synthesis of methamphetamine from ephedrine in 1893. Methamphetamine was later synthesized in crystalline form in 1919 by Akira Ogata.
- Isolation of rotenone from Derris elliptica in 1902.
- Synthesis and structural elucidation of ephedrine in 1929.
References
- Lock, Margaret. East Asian Medicine in Urban Japan: Varieties of Medical Experience. University of California Press; Reprint edition (1984). ISBN 0-520-05231-5
- Schultes, Richard Evans, ed. Ethnobotany: The Evolution of a Discipline. Timber Press, Incorporated (2005). ISBN 0-931146-28-3
- W Pötsch. Lexikon bedeutender Chemiker (VEB Bibliographisches Institut Leipzig, 1989) ISBN 3-8171-1055-3