Fig. 3

In vivo PET imaging of HCT116 tumor-bearing mice at different pre-targeting time points. a Representative static PET images after 1 h, 2 h and 3 h p.i. of ⁶⁸ Ga-L-NETA-DBCO. b T/M ratios of different time (1 h, 2 h and 3 h after the injection of ⁶⁸ Ga-L-NETA-DBCO). c Representative static PET images after 2 h p.i. of ⁶⁸ Ga-L-NETA-DBCO with different pre-targeting time. d Tumor/muscle ratios of different pre-targeting time