From: High molar activity [18F]tetrafluoroborate synthesis for sodium iodide symporter imaging by PET
Synthesizer | Solvent | Dilution | Activity at EOB (STD) (GBq) | RCY (CV) (%) | RCP (STD) (%) | Am (range) at EOS (GBq/µmol) | Am normalised to activity at SOS (µmol−1) |
---|---|---|---|---|---|---|---|
Precursor: BF3*MeOH (10%) | |||||||
SYNTHRA (n = 4) | CH3CN | 1/600 | 103 (21) | 24 (17) | 98.8 (0.7) | 90 (32–168) | 0.9 |
SYNTHRA (n = 9)* | CH3CN | 1/500 | 52 (11) | 41 (18) | 98.4 (1.5) | 78 (34–217) | 1.4 |
SYNTHRA (n = 9) | CH3OH | 1/100 | 15 (14) | 29 (24) | 98.5 (1.5) | 19.8 (6–96) | 1.32 |
SYNTHRA (n = 5) | CH3OH | 1/50 | 65(15) | 35(17) | 97.6 (0.9) | 15 (0.9–27) | 0.23 |
Precursor: BF3*CH3CN (15.2–16.8%) | |||||||
SYNTHRA (n = 9) | CH3CN | 1/250 | 6(5) | 55 (36) | 98 (3) | 5.6 (2.5–23) | 0.93 |
FXFN (n = 5) | CH3CN | 1/300 | 35 (30) | 50(26) | 98 (1) | 39.8 (2.1–99.3) | 1.13 |
Precursor: BF3*2H2O (96%) | |||||||
FXFN (n = 2) | CH3OH | 1/3000 | 48 | 26 | 99.2 | 54 (4.7–55.3) | 0.62 |
Published results for comparison | |||||||
Jiang et al. (2016) | 42 (2) | 20 (0.7) | 98 | 8.8 (0.6) | 0.21 | ||
Khoshnevisan et al. (2016) | 1.5 | 13.2 (5.9) | 5.7 (3.5) | 3.8 | |||
O'Doherty et al. (2017) | 46 (6) | 99.8 | 2.6 (1.4) | 0.05 | |||
Jiang and DeGrado (2018) | 15 (3) | 10 | 96 | 1.1 | 0.07 |