Fig. 4. The absorption and distribution of nanoparticles in vivo. (A) the concentration–time curve of GA in plasma after single oral administration of free GA, GA-NPs and RA-GA-NPs (n = 6); (B) the illustration of small animal imaging in mice; (C) the representative images of the distribution of GA in mice after single oral administration of free GA, GA-NPs and RA-GA-NPs in 4 h (n = 6).
