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Table 1 Characteristics of the 68Ga-labeled BN peptides

From: A convenient and efficient total solid-phase synthesis of DOTA-functionalized tumor-targeting peptides for PET imaging of cancer

Parameter 68Ga-DOTA-Ahx-BN 68Ga-DOTA-Abz-BN 68Ga-DOTA-ALA-BN
Cyclen Tris- Cyclen Tris- Cyclen Tris-
Labeling efficiency (%) > 92.0 > 92.0 > 90.0 > 91.0 > 94.0 > 95.0
Radio-HPLC tR (min) 18.3 18.3 19.2 19.3 20.3 20.3
ESI-MS [M + H]+ 1753.0 1753.0 1759.0 1759.0 1753.1 1753.0
Log P (octanol/water) − 1.21 ± 0.11 − 1.18 ± 0.06 − 1.10 ± 0.05 − 1.04 ± 0.10 − 0.80 ± 0.05 − 0.88 ± 0.07