Fig. 5From: Hydrophobic insertion-based engineering of tumor cell-derived exosomes for SPECT/NIRF imaging of colon cancerSPECT imaging of tumor-bearing nude mice. a The SPECT images of tumor-bearing nude mice at different times (6, 12, 18 and 24 h) after the injection of 99mTc-TEx-Cy7. b As a control group, the SPECT images of tumor-bearing nude mice at different times (6, 12, 18 and 24 h) after the injection of 99mTc-AEx-Cy7. The white arrow points to the tumor siteBack to article page