There are many short-lived radionuclides available from radionuclide generators. Generator systems consist of a long-lived parent radionuclide, which decay to a short-lived daughter radionuclide. These generator systems offer a continuous supply of relatively shortlived daughter radionuclides. It has been suggested that the use of generators for PET is very important because they make PET studies possible at centers that are remote from a cyclotron facility. Some of the generator metal PET isotopes are listed in Table 11.2.
Following is a brief description of the more commonly used generator-produced metal PET isotopes.
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