Figure 7

In vivo MRI. (a) The T₂-weighted MR images of the mice bearing MGC-803 tumor before and after injection of the nontargeted Fe₃O₄@Au-HPG or targeted Fe₃O₄@Au-HPG-Glc; (b) the signal intensity of MRI in tumor sites; (c) the relative T₂-signal change (ΔT₂/T₂) in tumor sites before and after injection. *P<0.05, **P<0.01.