Fig. 3From: The effects of novel macrocyclic chelates on the targeting properties of the 68Ga-labeled Gastrin releasing peptide receptor antagonist RM2Stability of 68Ga-X-RM2. a Radiochemical purity was determined in saline and human serum at 30Â min, 60Â min, and 120Â min. b RP-HPLC chromatograms of 68Ga-X-RM2 in saline and human serum at 120Â minBack to article page