Figure 1

PDA/HA/GD3 + image. (a) The synthesis procedure of Gd3+-dual contrast agent. (b) The chemical structure of prepared Gd3+-loaded PDA/HA-NPs.

PDA/HA/GD3 + image. (a) The synthesis procedure of Gd3+-dual contrast agent. (b) The chemical structure of prepared Gd3+-loaded PDA/HA-NPs.