Figure 4. Radioanalysis of [68Ga]Ga-THP-Pam and unbound 68Ga as a comparison.
(A) ITLC of [68Ga]Ga-THP-Pam in 0.5 M citrate buffer pH 5.5. (B) Reverse-phase C18 radio-HPLC of [68Ga]Ga-THP-Pam. (C) ITLC of unbound 68Ga, showing migration to the solvent front other than colloidal 68Ga. (D) Reverse-phase C18 radio-HPLC of unchelated 68Ga.