Calculate GBq yield of F-18 from a cyclotron based on proton beam intensity and irradiation time
Values shown for every 5 μA (0-70) and every 5 minutes (0-160)
Time/Intensity |
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Parameter | Value | Units | Description |
---|---|---|---|
Start of Shoot | - | - | Start time of irradiation |
Proton Beam Intensity | 65 | μA | Current of proton beam |
Irradiation Time | 150 | minutes | Duration of irradiation |
FDG Synthesis Yield | 75 | % | Expected synthesis efficiency |
Additional Transfer & Synthesis Time | 40 | minutes | Time from cyclotron to distribution unit |
End of Production | - | - | Time at end of production |
Saturation Yield | 8.0 | GBq/μA | Maximum production per μA |
Half-Life | 109.8 | minutes | F-18 radioactive decay half-life |
Decay Constant (λ) | 0.00631 | min⁻¹ | Calculated as ln(2)/t_½ |
Production Efficiency | 98.1 | % | Percentage of saturation activity achieved |
Total F-18 Production | 509.9 | GBq | Calculated F-18 production from cyclotron |
Decayed F-18 After Additional Time | 0.0 | GBq | F-18 after decay during transfer/synthesis |
Final FDG Yield | 0.0 | GBq | Final FDG after synthesis yield applied |