Characteristics of selected radioisotopes for therapy.
| Isotope . | Imaging Gamma Ray Available& . | Half-Life . | Mean Range of Emission (μM) . |
|---|---|---|---|
| & For imaging and dosimetry | |||
| * 4 different alphas emitted | |||
| $ An isotope generator | |||
| β-emitters | |||
| Iodine-131 | + | 8.1 days | 800 |
| Yttrium-90 | 2.5 days | 2700 | |
| Copper-67 | + | 2.6 days | 900 |
| Rhenium-188 | + | 17 hours | 2400 |
| α-emitters | |||
| Bismuth-212 | + | 1 hour | 70 |
| Bismuth-213 | + | 46 minutes | 70 |
| Astatine-211 | + | 7.2 hours | 70 |
| $Actinium-225 | 10 days | 40–80* | |
| $Lead-212 | + | 10.6 hours | 70 |
| Isotope . | Imaging Gamma Ray Available& . | Half-Life . | Mean Range of Emission (μM) . |
|---|---|---|---|
| & For imaging and dosimetry | |||
| * 4 different alphas emitted | |||
| $ An isotope generator | |||
| β-emitters | |||
| Iodine-131 | + | 8.1 days | 800 |
| Yttrium-90 | 2.5 days | 2700 | |
| Copper-67 | + | 2.6 days | 900 |
| Rhenium-188 | + | 17 hours | 2400 |
| α-emitters | |||
| Bismuth-212 | + | 1 hour | 70 |
| Bismuth-213 | + | 46 minutes | 70 |
| Astatine-211 | + | 7.2 hours | 70 |
| $Actinium-225 | 10 days | 40–80* | |
| $Lead-212 | + | 10.6 hours | 70 |