Nuclear-reactor closure hits cancer tests

Hannah Hoag

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Nuclear-reactor closure hits cancer tests

机译：核反应堆关闭击中癌症测试

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Hospitals across North America have been forced to cancel tests for cancer and heart disease because the unexpected closure of a Canadian nuclear reactor has led to a sudden shortage of medical isotopes.rnThe 50-year-old National Research Universal (NRU) reactor located in Chalk River, Ontario, was shut down on 18 November for scheduled maintenance and was due back online by mid-December. But Atomic Energy Canada, which owns and operates the facility, extended the outage to install safety-related equipment, including upgrades to the reactor cooling pumps. The reactor supplies about 60% of the molybdenum isotopes used in medical applications globally, including molybdenum-99, which decays into technetium-99m and is used in about 16 million nuclear medicine procedures annually in the United States.

机译：北美各地的医院被迫取消对癌症和心脏病的检测，因为加拿大核反应堆的意外关闭导致医疗同位素的突然短缺。rn位于Chalk的拥有50年历史的National Research Universal（NRU）反应堆安大略省的River已于11月18日关闭以进行定期维护，并将于12月中旬恢复在线。但是拥有和运营该设施的加拿大原子能公司将停电时间扩大到安装与安全相关的设备，包括升级反应堆冷却泵。该反应堆提供全球医学应用中约60％的钼同位素，包括99号钼，后者逐渐分解为99m and，在美国每年用于约1600万核医学程序。

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《Nature》 |2007年第7172期|926-927|共2页
作者
Hannah Hoag;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
中图分类自然科学总论;
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Nuclear-reactor closure hits cancer tests

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