High Contrast PET Imaging of GRPR Expression in Prostate Cancer Using Cobalt-Labeled Bombesin Antagonist RM26

Table 1

Labeling and stability of ^55/57Co-NOTA-PEG₂-RM26.

^55/57Co-NOTA-PEG2-RM26
Labeling yield for ^57Co	%
Labeling yield for ^55Co
Release in the presence of excess EDTA
Release in PBS

Stability of ⁵⁷Co-NOTA-PEG₂-RM26 was checked after 1 h incubation at room temperature in the presence of 1000x excess of EDTA. Data are presented as average ± standard deviation.