Fig. 5
NIRF imaging of HCT116 tumor-bearing nude mice and the tissues. a NIRF images of tumor-bearing mice at different time points (1, 5, 10, 20, 30 and 50 h) after the injection of Cy7-EV-N3. b T/M ratios at different time points after Cy7-EV-N3 injection (n = 3, **P < 0.01; ***P < 0.001). c NIRF images of ex vivo tissues at different time points after injection (10, 20 and 30 h). T Tumor, M Muscle, LI Large Intestinal, SI Small Intestinal, K Kidney, SP Spleen, L Liver, ST Stomach