Fig. 1
The characteristics of HA/ZIF-8@Gem/D-1-MT NPs. A XRD patterns. B TEM photograph. C Tyndall effect (i) and hydrodynamic diameter distribution (ii). D Zeta potential. E UV–vis spectra of M, G, M + G, Z(GM), and HA (GM). F The release of Gem (n = 3). D-1-MT, M; Gem, G; ZIF-8, Z; ZIF-8@Gem/D-1-MT NPs, Z(GM); HA/ZIF-8@Gem/D-1-MT NPs; HZ(GM)