| 31. | In the procedure, a radioactive isotope is injected into the site of the tumor.
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| 32. | Age was determined by the radiometric dating of radioactive isotopes of potassium and argon.
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| 33. | Attaching a radioactive isotope to a monoclonal can enhance its ability to kill tumors.
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| 34. | Protein A or Streptavidin with a radioactive isotope of iodine.
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| 35. | Among the numerous radioactive isotopes of zirconium, 93 Zr is among the most common.
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| 36. | Radioactive isotopes can continue to release energy over periods ranging from weeks to decades.
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| 37. | A radioisotope of iridium,, is dangerous like other radioactive isotopes.
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| 38. | Seaborg's work on radioactive isotopes won him his first fame.
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| 39. | Cesium-137, a radioactive isotope, has a half-life of 30 years.
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| 40. | 3 ) Has anyone tried to remove the radioactive isotopes?
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