A great scientist who laid the foundation of parasitology in Vietnam.
The Professor and Doctor Dang Van Ngu was born in 1910 in An Cuu village, Huế, into a family of scholars steeped in studious and patriotic tradition. He received his degree from the University of Medicine in Indochina (now the University of Medicine in Hanoi) in 1936. He was the first Vietnamese to be recruited as a teaching assistant under Professor Henry Galliard, head of the parasitology department and rector of the medical and pharmaceutical faculty.
In 1942, he was appointed head of the parasitology laboratory and simultaneously taught biology at the pharmacy faculty. From 1943 to late 1948, he was sent to Japan by the French government as part of a research exchange program.
During this time, he not only studied fungi and microorganisms responsible for tuberculosis and leprosy at the University of Tokyo and Tokyo medical institutions, but also intestinal bacteria, accumulating knowledge and techniques for penicillin production.
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Bold and revolutionary innovations have yielded extraordinary results in medicine.
In October 1949, responding to President Hồ Chí Minh’s call to resist across the country, he decided to join the national cause. Travelling thousands of kilometers through Thailand and Laos, he arrived in the Viet Bac resistance area with a valuable possession: a test tube containing a fungus capable of secreting penicillin, isolated in a Japanese laboratory.
In the heart of the Viet Bac war zone, he began to build a field laboratory to successfully research and produce a penicillin solution – a valuable drug that effectively treated soldiers’ infected wounds.
The research and production of the “aqueous-based” penicillin preparation constituted an innovative initiative by Dang Van Ngu. This preparation had many advantages, notably its effectiveness in locally treating infected surgical wounds.
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The research areas of Professor Dang Van Ngu in the field of medical parasitology.
– Conducting fundamental investigations to assess current states of infections and parasitic diseases, and discover new types of parasites and insects in Vietnam and worldwide.
– In the field of morphology, Professor Dang Van Ngu discovered and added various parasitic species, and developed important identification keys, such as the identification key of Anopheles mosquitoes in northern Vietnam and the identification key of Culicinae mosquitoes in inner and outer regions of Hanoi.
– In his research on parasitic physiology and ecology, Professor Dang Van Ngu made many significant discoveries, like describing the retrograde migration cycle of pinworms; seasonal changes of the heartworm Dirofilaria immitis in Aedes aegypti mosquitoes; and clarifying the mechanism of intestinal obstruction caused by roundworms and the phenomenon of worm migration in the bile duct, along with many other related issues.
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