Radiotracer | SA (GBq/μmol) | Difference b(%) | |
---|---|---|---|
LC-MS/MS a | Radiometry | ||
[11C]PBR28 | 265.5 ± 8.5 | 290.8 | −9.1 |
330.4 ± 5.8 | 363.6 | −9.6 | |
167.0 ± 2.9 | 173.3 | −3.7 | |
[11C]dLop | 234.1 ± 3.2 | 237.9 | −1.6 |
227.1 ± 6.1 | 253.2 | −10.9 | |
241.4 ± 7.0 | 264.0 | −9.1 | |
[11C]MePPEP | 160.1 ± 7.2 | 151.5 | +5.5 |
244.0 ± 11.7 | 238.0 | +2.5 | |
82.5 ± 3.0 | 92.4 | −11.3 | |
[11C](R)-Rolipram | 473.9 ± 4.8 | 459.9 | +3.0 |
505.0 ± 9.5 | 450.5 | +11.4 | |
459.0 ± 5.8 | 411.1 | +11.0 |