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Chine scientist wins the 2015 Nobel Prize
By Dina Conner
11 December 2015
Tu Youyou has become the first female scientist of the People's Republic of China to receive a Nobel Prize, awarded for her contribution to the fight against malaria, one of the deadliest dias in human history. Thanks to her discovery of qinghaosu, malaria patients all over the world now have had a greatly incread chance of survival.
Born in 1930, in Ningbo, Zhejiang Province, Tu studied medicine at university in Beijing between 1951 and 1955. After graduation, she worked at the Academy of Traditional Chine Medicine. She completed further training cours in traditional Chine medicine, acquiring a broad knowledge of both traditional Chine medicine and Western medicine.
Tu's education was soon to prove very uful. In the 1960s, many people were dying of malaria, and in 1969 Tu became head of a team that intended to find a cure for the dia. She collected over 2,000 traditional Chine medical recipes for malaria枭之城
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绰绰有余的拼音treatment and made hundreds of extracts from different herbs. When they failed to produce any promising results, Tu referred to the ancient books of traditional Chine medicine again. Inspired by an over 1,600-year-old text about preparing qinghao extract with cold water, Tu redesigned the experiments and tried extracting the herb at a low temperature in order not to damage its effective part. On 4 October 1971, after 190 failures, she succeeded in making qinghao extract that could treat malaria in mice.
However, it was hard to produce enough qinghao extract for large trials becau rearch resources were limited. Tu and her team managed to find solutions to the problem. When there was no rearch equipment, they had to extract herbs using houhold water containers. They worked day and night and their health began to suffer becau of the poor conditions, but they never gave up.教学方法有哪几种
Even with large amounts of qinghao extract produced, however, they still faced another
problem. The trials on patients were likely to be postponed becau they did not have sufficient safety data. To speed up the process and ensure its safety, Tu and her team volunteered to test qinghao extract on themlves first.
The efforts of Tu and her team finally paid off. In November 1972, through trial and error, they succes
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sfully discovered qinghaosu—the most effective part of the qinghao extract. As a key part of many malaria medicines, qinghaosu has since benefited about 200 million malaria patients. More than 40 years after its discovery, Tu was eventually awarded a Nobel Prize for her work. In her Nobel Lecture, she encouraged scientists to further explore the treasure hou of traditional Chine medicine and rai it to a higher level. Perhaps the next generation of scientists, drawing on the wisdom of traditional Chine medicine, will indeed discover more medicines beneficial to global health care.
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