Fig. 6From: Internal cross-linked polymeric nanoparticles with dual sensitivity for combination therapy of muscle-invasive bladder cancerNanoparticles antitumor activity research. a bioluminescence of mouse tumor cells in 1 week and 3 weeks after model administration. b Statistical graph of ROI values for bioluminescence imaging. *P < 0.05, vs indicated groups. c Size map of tumors taken at the third week after model administration. d HE, TUNEL and Ki-67 staining of mouse bladder tumor tissue (eyepiece: 1×, objective lens: 5×)Back to article page