https://www.selleckchem.com/pr....oducts/tj-m2010-5.ht
ctive ion beams exhibit markedly improved signal-to-background ratios compared to those obtained from targets irradiated by non-radioactive ion beams, with 5-fold and 11-fold increases in the ratios calculated for the 15 O and 11 C images compared with the values obtained for 16 O and 12 C, respectively. The difference between the depth of maximum dose and the depth of maximum positron annihilation density is 2.4 ± 0.8 mm for 11 C, compared to -5.6 ± 0.8 mm for 12 C and 0.9 ± 0.8 mm for 15 O versus -6.6 ± 0.8 mm for 16 O. CONCLUSIONS
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