EJNMMI Research

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
Parameter	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

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