Fig. 7
From: Persistent luminescence nanoparticles for cancer theranostics application
(Reproduced with permission [92]. Copyright 2019, Wiley–VCH)
a, b TEM image and X-ray excited radioluminescence of ZnGa2O4:Cr3+ nanocubes. c Rechargeable PersL performance of PEGylated ZnGa2O4:Cr3+ nanocubes under 0.5Â Gy X-ray irradiation. d, e In vivo and ex vivo PersL imaging of tumor-bearing mice treated with iv injected ZnGa2O4:Cr3+ nanocubes and X-ray irradiation.