Caption: Technicians working in the hot cells at a nuclear reactor involved in the production of molybdenum-99. They are operating robot arms inside the shielded cell by controlling the arms on the outside. This is done to protct them from radioactivity. Molybdenum-99 is a radioisotope prduced by bombarding enriched uranium-235 with neutrons. It is necessary in the diagnostic imaging, as it has a half life of 66 hours for its decay to technetium-99m. The relatively long half life allows it to be transported to hospitals, where the Tc-99m is extracted and used in gamma scans of the body. Tc-99m has a half life of just six hours, making off-site production impractical.

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Keywords: arms, bone scan, cancer, control, controlling, diagnostic, diagnostics, energy, gamma ray, gamma scan, hot cell, hot cells, medical imaging, men, mo-99, molybdenum, nuclear reactor, people, person, power station, production, protection, protective, radioactive, radioactivity, radioisotope, remote, scanning, shielding, technetium-99m, technician, technicians, window, worker, workers

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Molybdenum-99 production

K003/1139 Rights Managed

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