Table 2: Commonly used radioisotopes for peptide-based PET tracer.

RadionuclideHalf-life ( )/abundanceProductionChemistry

18F109.8 min634 Kev/97%CyclotronOrganic chemistry
Chelation chemistry
64Cu12.8 h656 Kev/19%CyclotronChelation chemistry
68Ga67.6 min1899 Kev/89%GeneratorChelation chemistry