Table 1.
An overview of radionuclides and their half-lives.
| Radionuclide | Half-Life 1 | Imaging Modality 2 |
|---|---|---|
| 11C | 20.39 min | PET |
| 15O | 122 s | PET |
| 18F | 109.77 min | PET |
| 67Ga | 3.26 d | SPECT |
| 68Ga | 67.7 min | PET |
| 99mTc | 6.02 h | SPECT |
| 111In | 2.80 d | SPECT |
1 Source: ICRP Publication 107 [5] 2 PET: positron emission tomography. SPECT: single-photon emission computed tomography.