| 41. | Such radioactive isotopes are used in imaging of industrial equipment, medicine and food sterilization.
|
| 42. | Radioactive isotopes can be incorporated into immunoassay reagents to produce a radioimmunoassay ( RIA ).
|
| 43. | Seven smaller reactors are used for research and to produce radioactive isotopes for nuclear medicine.
|
| 44. | Detection of certain radioactive isotopes in the environment could signal prohibited work on nuclear weapons.
|
| 45. | All but two tested positive for actinium-227, the radioactive isotope the workers were cleaning up.
|
| 46. | This involves feeding radioactive isotopes or " seeds " through a catheter into the tumor.
|
| 47. | The longest lived radioactive isotope of lead is lead-205.
|
| 48. | Cesium-137, a radioactive isotope, is a fission product used in cancer research and radiation therapy.
|
| 49. | Chlorine has two stable isotopes and one radioactive isotope : the cosmogenic isotope 36 Cl.
|
| 50. | It generated radioactive isotopes for biological and medical research.
|
