Research Article

High Contrast PET Imaging of GRPR Expression in Prostate Cancer Using Cobalt-Labeled Bombesin Antagonist RM26

Table 2

Long-lived positron-emitting radiometals. Data are taken from [10].

Nuclide (half-life)Mode of decay (keV)Principal photon emissions, keV (abundance in %)

55Co (17.5 h)β+ 76%
EC 24%
1498477 (20.2%), 931 (75%), 1317 (7.1%), 1408 (16.9%)

64Cu (12.7 h)β+ 18
β- 37%
EC 24%
6531346 (0.5%)

86Y (14.7 h)β+ 33%
EC 67%
3141443 (16.9%), 628 (32.6%), 646 (9.2%), 703 (15.4%), 778 (22.4%), 1077 (82.5%), 1153 (30.5%), 1854 (17.2%), 1920 (20.8%)