Fig. 1
Characterization and imaging performance of nanocomposites. a SEM images. b TEM images. c Elemental mapping images. d High-resolution XPS spectra. e FT-IR spectra. f In vivo T1-weighted MR images of PC3 tumor-bearing mice prior to and at various time points post injection of nanocomposites. g Normalized T1 contrast-noise ratios within the tumor region. h In vivo photoacoustic images of PC3 tumor-bearing mice prior to and at various time points post injection of nanocomposites. i Normalized photoacoustic signal intensities within the tumor region