Fig. 2

Characterization of OXA@Fn. A, B Particle size distribution of Fn and OXA@Fn. C, D Zeta potential distribution of Fn and OXA@Fn. E TEM image of OXA@Fn. F Element mapping analysis diagram of OXA@Fn. G In vitro OXA release from OXA@Fn in different pH release medium. H Stability of OXA@Fn in PBS. (n = 3, mean ± SD)