Fig. 2

Stable and drug release of CD16/32‑ZIF90@Sp. A–C Size and PDI index of CD16/32‑ZIF90@Sp at 7, 14, 21 and 28 days in H2O, DMEM and PBS. D pH-responsive release curves of CD16/32‑ZIF90@Sp. E ATP-responsive release curves of CD16/32‑ZIF90@Sp. F TEM image of ATP-responsive release of CD16/32‑ZIF90@Sp