Fig. 2
The MR characteristics of NPs. The fitted relaxation (1/T1 and 1/T2) plots of bTiO2@mSiO2@Gd/R848 and Magnevist, a longitudinal, and (b) transverse with an equivalent concentration of Gd. c T1-weighted MR imaging of bTiO2@mSiO2@Gd/R848 at various Gd concentrations