Table 2 Activity ratios of La isotopes of interest at time-points after EOB for 500 µA·min runs (n = 3) at 22 MeV and 11.9 MeV proton beam energies.
From: High yield cyclotron production of a novel 133/135La theranostic pair for nuclear medicine
Time after EOB (h) | 22 MeV irradiation | 22 MeV irradiation | 11.9 MeV irradiation |
|---|---|---|---|
Activity ratio of 135La to 133La | Activity ratio of 133La to 132La | Activity ratio of 135La to 132La | |
0 | 0.72 | 608 | 18 |
1 | 0.83 | 588 | 20 |
2 | 0.95 | 569 | 22 |
3 | 1.1 | 550 | 24 |
4 | 1.3 | 532 | 27 |
6 | 1.7 | 498 | 34 |
8 | 2.2 | 465 | 42 |
12 | 3.9 | 407 | 64 |
24 | 22 | 273 | 236 |
48 | 645 | 122 | 3172 |
