β-Emitting and α-emitting radionucleotides for RIT of NHL
| Radionucleotides | Emission | Half-life | Energy (keV) | Path length |
|---|---|---|---|---|
| β-Emitting radionucleotide | ||||
| 90Y | β– | 2.67 days | 2,280 | 12 mm |
| 131I | β–, γ | 8.02 days | 606 | 0.2–1 mm |
| Lutetium-177 (177Lu) | β–, γ | 6.68 days | 498 | 0.23 mm |
| α-Emitting radionucleotide | ||||
| Astatine-211 (211At) | α, electron capture (EC) | 7.21 h | 5,870 (41.8%), 7,450 (58.2%) | - |
| Plumbum-212 (212Pb) | α, β–, γ | 10.64 h | 6,051 (36%), 8,875 (64%) | - |
| Bismuth-213 (213Bi) | α, β–, γ | 46 min | 8,376 | - |
| Actinium-225 (225Ac) | α, β–, γ | 10 days | 5,830, 6,341, 7,067, 8,376 | - |
| Thorium-227 (227Th) | α, β–, γ | 18.72 days | 5,716, 6,038, 6,623, 6,819, 7,386 | - |
The path length of α-emitting radionucleotides is around 50–100 µm. Energies from α-emitting radionucleotides include those of daughter nucleotides. The data in parentheses indicates emission rates. -: no data