Fig. 8.

a Fabrication process and TEM photograph of UCNPs@MOF-DOX-AS1411; b images of 293 cells and MCF-7 cells incubated with UCNPs@MOF-DOX-AS1411 NCs for 1 h; c fabrication process and TEM photograph of ZGGO@ZIF-8-DOX; d in vivo NIR PersL imaging in a mouse was radiated 254 nm and 661 nm treated with ZGGO@ZIF-8 (0.2 mL, 1 mg/mL in PBS); e energy-level diagram for Cr³⁺-activated ZGGO. Reproduced with permission [83]. Copyright 2015, Springer Nature; [87]; Copyright 2019, American Chemical Society