Characteristic Properties of Elementally Matched Theranostic Isotope Pairs
| Diagnostic | Therapeutic | |||||||
|---|---|---|---|---|---|---|---|---|
| Radionuclide | Half-life | Decay | Energy* (keV) | Radionuclide | Half-life | Decay | Energy* (keV) | Reference |
| 203Pb | 51.8 h | EC (100%) | 279 (81%) | 212Pb | 10.6 h | β− (100%) | β−: 40.9 (5%), 93.3 (81.5%), 171.4 (13.7%), γ: 238 (46.3%) | (8,22) |
| 64Cu | 12.7 h | β+ (17.8%), EC (43.8%) | 511 (35%), 1,345 (0.5%) | 67Cu | 61.9 h | β− (100%) | 395 (45%), 484 (35%), 577 (20%) | (23,24) |
| 86Y | 14.7 h | β+ (31.9%), EC (68.1%) | 443 (16.9%) 628 (32.6%) | 90Y | 64 h | β− (100%) | 932.4 (99.9%) | (25,26) |
| 124I | 4.2 d | β+ | 603 (61%), 1,691 (11%) | 131I | 8 d | β− (100%) | 284 (6.14%), 365 (81.7%), 637 (7.17%) | (27,28) |
| 152Tb | 17.5 h | β+ + EC (100%) | 344 (63.5%) | 149Tb | 4.1 h | α (17.7%) | α: 3 967 | (29,30) |
| 149Tb | 4.1 h | EC (82.3%) | 165 (26.7%), 352 (29.8%), 388.6 (18.6%) | 161Tb | 6.9 d | β− (100%) | 137.7 (25.7%), 157.4 (65%) | |
| 155Tb | 5.3 d | EC (100%) | 86.5 (32%), 105.3 (25%), 180 (7.5%) | |||||
| 43Sc | 3.9 h | β+ (98%), | 373 (22.5%) | 47Sc | 3.3 d | β− (100%) | 159.4 (68%) | (31–35) |
| 44gSc | 3.9 h | β+ (94%) | 1,157 (100%) | |||||
↵* Intensity.
EC = electron capture.