TABLE III.
Measured activity concentrations and half-lives from the heart phantom filled with a solution of 11C and 18F. The standard error of the half-lives is presented in square-bracket.
| Algorithm | 11C Activity (nominal T1/2 = 20.38 min) | 18F Activity (nominal T1/2 = 109.8 min) | ||
|---|---|---|---|---|
| 2/4 min frames | (nCi/ml) | Measured T1/2 (min)[Standard error] | (nCi/ml) | Measured T1/2 (min)[Standard error] |
| 2D-FBP | 17402 | 20.18 [0.98] | 18022 | 108.5 [1.16] |
| 3D-MAP | 25438 | 20.65 [1.32] | 25237 | 110.87 [1.00] |
| 18 s frames | ||||
| 2D-FBP | 18861 | 20.14 [1.18] | 17399 | 110.32 [0.50] |
| 3D-MAP | 23886 | 20.15 [1.13] | 24382 | 110.87 [1.00] |