Physical Properties of PET Radionuclides Used to Label Bombesin Analogs
| Characteristic | 68Ga | 64Cu | 18F |
| Half-life | 67.7 min | 12.7 h | 109.7 min |
| Decay | β+: 89% | β+: 17.8% | β+: 97% |
| EC: 11% | β−: 38.4% | EC: 3% | |
| EC: 43.8% | |||
| Eβ-max (keV) | 1,880 | 656 | 635 |
| Production | Generator | Cyclotron | Cyclotron |
| Oxidation state | 3+ | 2+ (1+) | 1− |