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Message Subject *** Fukushima *** and other nuclear-----updates and links
Poster Handle Anonymous Coward
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Fluorescent label sheds light on radioactive contamination

TSUKUBA Radioactive leaks, such as at the Fukushima Daiichi nuclear plant, contaminate the local environment. Contamination of soil and water by the radioactive form of cesium is a major problem, since it persists for a long time; levels of radioactivity reduce by half only every 30 years. Effective detection and removal of radiocesium would accelerate recovery of the environment.

Current detection methods can only localise contamination on a scale of meters to kilometers, and they do not specifically identify cesium. Researchers in Japan, led by Katsuhiko Ariga at the National Institute for Materials Science, have now developed a way to detect cesium contamination on a scale of millimeters. The work, published in Science and Technology of Advanced Materials, used a fluorescent molecule that labels cesium so that it can be seen with the naked eye under UV light.
[link to www.japantoday.com]
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