Fig. 7
a In vivo images of HeLa cancer-bearing mice at the prescribed time. b Real-time average radiant efficiency of tumor sites after tail vein injection of DiD and DiD@cPRP nanoparticles. c Ex vivo images and d average radiant efficiency of tumors and major organs after 24 h of tail vein injection. Data are shown as mean ± SD (n = 3) (**P < 0.01, ***P < 0.001, and ****P < 0.0001)