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Isotope shortage slowing research?

The shutdown of a Canadian nuclear reactor that produces radioisotopes is causing delays in medical diagnoses and treatments, but nuclear medicine researchers seem unaffected so far. In mid-November, Atomic Energy of Canada Limited (AECL) linkurl:shut down;http://www.mds.nordion.com/documents/news-releases/2007/MDSN_Medical_Isotope.pdf its National Research Universal reactor in Chalk River, Ontario for what was supposed to be five days of routine maintenance. But the reactor remains powered dow

Bob Grant
Bob Grant

Bob Grant is Editor in Chief of The Scientist, where he started in 2007 as a Staff Writer.

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The shutdown of a Canadian nuclear reactor that produces radioisotopes is causing delays in medical diagnoses and treatments, but nuclear medicine researchers seem unaffected so far. In mid-November, Atomic Energy of Canada Limited (AECL) linkurl:shut down;http://www.mds.nordion.com/documents/news-releases/2007/MDSN_Medical_Isotope.pdf its National Research Universal reactor in Chalk River, Ontario for what was supposed to be five days of routine maintenance. But the reactor remains powered down while engineers retool the water pump's emergency power supply. The reactor is North America's sole producer of molybdenum-99, the raw material for technetium-99, the most widely used isotope for diagnosing disease. "The clinical sciences are very much restricted," Stanford radiologist Michael Goris told __The Scientist__. Goris said, though, that radiological research has not been seriously affected because the isotope supply has only been interrupted for a brief period. "In research terms, two weeks is a short time," he said. The reactor's prolonged closure has caused a shortage of...

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