Fig. 4From: Production and characterization of no-carrier-added 161Tb as an alternative to the clinically-applied 177Lu for radionuclide therapyHPLC chromatogram of 161Tb-DOTANOC (2.3 min retention time would indicate “free” or unlabeled 161Tb, while 8.2 min indicates 161Tb-DOTANOC)Back to article page