Word: trypan
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...momentous occurrence. At that meeting Dr. Victor George Heiser, Far East director of the Rockefeller Foundation and president of the International Leprosy Association, dramatically announced that leprosy is apparently being cured. In the process the lepers are dyed blue by injection into their veins of a dye called trypan-blue...
...Trypan-blue has been used to kill the spindly, boring animalcules (trypanosomes) which cause sleeping sickness. It is also useful to kill the microbes of malaria. In the Federated Malay States, at the Sungei Buloh leper settlement Dr. Gordon A. Ryrie discovered that the blue trypan dye attacked the fatty bacilli present in leprosy and tuberculosis (the forms of the diseases are related). Other investigators confirmed Dr. Ryrie's work, among them cautious Dr. Heiser...
...Within a few moments after the solution of trypan-blue, injected intravenously, enters the vein of a patient," explained Dr. Heiser last week, "the surface lesions of leprosy become clearly outlined, much as if they were painted in blue on the skin. A few minutes later the entire body becomes blue. Within a week or two after this drug has been injected the hard and lumpy swellings of leprosy undergo softening. Shortly afterward they begin to absorb. In a large percentage of cases in a period of a few months all lesions of leprosy disappear. . . . The blue color disappears about...
Greatest cancer discovery during the year-according to Sir George Lenthal Cheatle, British cancer expert who went to St. Louis to become an honorary fellow of the American College of Surgeons- was the discovery, by Dr. R. J. Lundferd of the Imperial Cancer Research Fund, that a dye called trypan blue, frequently-used to treat malaria and African sleeping sickness, would stain healthy body cells, would not stain cancer cells. Trypan blue enables the pathologist to distinguish finely between healthy and cancerous tissue...
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