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Table 1 Radiolabelling data for [68Ga]Ga-AAZTA5, [68Ga]Ga-AAZTA5-TOC, [44Sc]Sc-AAZTA5, [44Sc]Sc-AAZTA5-TOC after 10 min (15 min for 5 nmol AAZTA5) at room temperature

From: AAZTA5/AAZTA5-TOC: synthesis and radiochemical evaluation with 68Ga, 44Sc and 177Lu

  68Ga-Radiolabelling 44Sc-Radiolabelling
AAZTA5 AAZTA5-TOC AAZTA5 AAZTA5-TOC
pH 4.5 5.5 4.5 5.5 4.0 4.0
5 nmol 92.3 ± 1.8 89.8 ± 2.4 94.3 ± 1.7 91.7 ± 3.5 98.0 ± 0.6 96.9 ± 0.9
10 nmol 98.5 ± 0.8 99.1 ± 0.5 99.0 ± 0.7 98.6 ± 0.9 99.5 ± 0.3 96.7 ± 1.2