Table 1.
Physical Properties of Some Common PET Radiometalsa
| isotope | half-life/h | source | production reaction | decay mode (% branching ratio) | Eβ+/keV | abundance, Iβ+/% | Eγ/keV (intensity, Iγ/%) | relevant oxidation states | common coordination numbers |
|---|---|---|---|---|---|---|---|---|---|
| 64Cu | 12.7 | cyclotron | 64Ni(p,n)64Cu | ε + β+ (61.5) | 278.2(9) | 17.60(22) | 511.0 (35.2) | 1+, 2+ | 4, 5, 6 |
| β+ (17.6) | |||||||||
| β− (38.5) | |||||||||
| 68Ga | 1.1 | generator | 68Ge/68Ga | ε + β+ (100) | 836.02(56) | 87.94(12) | 511.0 (178.3) | 3+ | 4, 5, 6 |
| β+ (89.1) | |||||||||
| 86Y | 14.7 | cyclotron | 86Sr(p,n)86Y | ε + β+ (100) | 535(7) | 11.9(5) | 443.1 (16.9) | 3+ | 8, 9 |
| β+ (31.9) | 511.0 (64) | ||||||||
| 627.7 (36.2) | |||||||||
| 703.3 (15) | |||||||||
| 777.4 (22.4) | |||||||||
| 1076.6 (82.5) | |||||||||
| 1153.0 (30.5) | |||||||||
| 1854.4 (17.2) | |||||||||
| 1920.7 (20.8) | |||||||||
| 89Zr | 78.4 | cyclotron | 89Y(p,n)89Zr | ε + β+ (100) | 395.5(11) | 22.74(24) | 511.0 (45.5) | 4+ | 8 |
| β+ (22.7) | 909.2 (99.0) |
a
Unless otherwise stated, standard deviations are given in parentheses (IT = isomeric transition; ε = electron capture).208