Summary of Measurement Parameters
| Measurement | Source | Activity (MBq) | Energy window | Coincidence mode | Coincidence window | Location of source | Rebinning, reconstruction voxel size/slice thickness |
| Spatial resolution | 22Na (0.25 mm)3 | 1.014 | 250–750 keV | 1–5 | 5 ns | See text | SSRB/FBP, 0.15 mm/0.585 mm; span, 8 and 81 |
| Sensitivity | 22Na (0.25 mm)3 | 1.014 | 250–750 keV | 1–5 | 5 ns | Center of FOV | SSRB, 0.3 mm/0.585 mm; span, 81 |
| Counting rate | NEMA standard mouse/rat phantom | 80 (mouse); 60 (rat) | 250–750 keV | 1–5 | 5 ns | Phantom in the center of FOV | SSRB, 0.3/0.585 mm; span, 81 |
| Image quality | NEMA standard phantom | 3.7 | 250–750 keV | 1–5 | 5 ns | Phantom in the center of FOV | SSRB/MLEM, 0.15 mm/0.585 mm; span, 81 |
| Energy resolution | 22Na (0.25 mm)3 | 1.014 | 250–750 keV | 1–5 | 5 ns | Center of FOV | Binned into 1-keV/156.25-ps-wide histograms |
| Temporal resolution | 22Na (0.25 mm)3 | 1.014 | 250–750 keV | 1–5 | 5 ns | Center of FOV | Binned into 1-keV/156.25-ps-wide histograms |
| Mouse study | 18F-tetrafluoroborate | 5 MBq, 50 μL into tail vein; postinjection timing 30 min | 250–750 keV | 1–5 | 5 ns | Whole body in the FOV, 30-min scanning timing | SSRB/OSEM, 0.3 mm/0.585 mm; span, 8 |
MLEM = maximum-likelihood expectation maximization.