Fig. 4
From: 99mTc-HYNIC-(tricine/EDDA)-FROP peptide for MCF-7 breast tumor targeting and imaging
Internalization of the 99mTc-HYNIC-(tricine/EDDA)-FROP peptide by MCF-7 cells at different times after incubation at 37 °C: total binding represents uptake on the surface membrane plus that inside of the cell; internalization represents the activity inside of the cell only