Calculated Parameters for Tumor Retention of 188Re-Labeled Agents in Liver
| Agent | Decay constant | Half-life (h) | Residence time (h) |
|---|---|---|---|
| 188Re-TDD/lipiodol | |||
| Rabbit 1 | 0.1097 | 6.3 | 9.1 |
| Rabbit 2 | 0.0903 | 7.7 | 11.1 |
| Rabbit 3 | 0.0966 | 7.2 | 10.4 |
| Average | 0.1000 | 7.1 | 10.2 |
| 188Re-HDD/lipiodol | |||
| Rabbit 4 | 0.0591 | 11.7 | 16.9 |
| Rabbit 5 | 0.0563 | 12.3 | 17.8 |
| Rabbit 6 | 0.0538 | 12.9 | 18.6 |
| Rabbit 7 | 0.0587 | 11.8 | 17.0 |
| Average | 0.0570 | 12.2 | 17.6 |