| 1. | The isotope was measured by counting the radioactivity from the sample.
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| 2. | Oil from different geological sources contains distinguishing quantities of this isotope.
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| 3. | The cyclotron produced isotopes for dozens of research centers and companies.
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| 4. | The Cassini plutonium is mostly an isotope called plutonium-238.
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| 5. | International Isotopes rose 1 / 4 to 9 13 / 16.
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| 6. | Bexxar consists of a monoclonal antibody attached to a radioactive isotope.
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| 7. | These studies could be done in conjunction with medical isotope production.
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| 8. | The Iranians say it is for research and making medical isotopes.
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| 9. | Extraction of the isotope is conducted at the federal lab here.
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| 10. | Enrichment refers to the percentage of certain isotopes in nuclear fuel.
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