Fig. 5

In vivo spectral GI tract CT imaging under different energies after using oral administration 0.2 M Ho-DOTA and iohexol at 0.5 h in healthy mice respectively (Blue arrows represent stomach and yellow arrows represent small intestine). a 3D reconstruction images using Ho-DOTA at different monochromatic energies (b) Coronal CT imaging using Ho-DOTA at different monochromatic energies. c 3D reconstruction images using iohexol at different monochromatic energies. d Coronal CT imaging using iohexol at different monochromatic energies