Figure 3

SEM images of ZIF-8/5-FU@FA-CHI-5-FAM with different magnifications (A,B); TEM images of ZIF-8/5-FU@FA-CHI-5-FAM with different magnifications (C,D); The EDS elemental mapping results of Zn, C in ZIF-8/5-FU@FA-CHI-5-FAM composite (E,F). Scale bar: 100 nm.