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EJNMMI Radiopharmacy and Chemistry
Fig. 4 | EJNMMI Radiopharmacy and Chemistry

Fig. 4

From: In-target production of [11C]CH4 from a nitrogen/hydrogen gas target as a function of beam current, irradiation time, and target temperature

Fig. 4

Radioactivity at EOB as a function of irradiation time at a constant 40 °C target chamber temperature for nominal beam currents: A 10 µA, B 20 µA, and C 40 µA. Theoretical 11C radioactivity AEOB(11C) (□), measured [11C]CH4 radioactivity AEOB(11CH4) (○), and predicted 11CH4 radioactivity cAEOB(11CH4), calculated according to model Eq. 2d (∆)

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