Fig. 6From: PDGFB-targeted functional MRI nanoswitch for activatable T1–T2 dual-modal ultra-sensitive diagnosis of cancerMRI visualization of early orthotopic prostate tumor-bearing mice treated with different samples. a Grayscale and b pseudocolor T1WI. c ΔSNR corresponding to a. d Grayscale and e color-coded T1 map images. f T1 map values analysis corresponding to d. g Grayscale and h pseudocolor T2WI. i ΔSNR corresponding to g. j Grayscale and k color-coded T2 map images. l T2 map values analysis corresponding to j. Tumor regions are indicated by white dotted linesBack to article page