Fig. 4

(a) Schematic illustration of experimental apparatus for ex vivo vascular occlusion test. (b) DMEM volume passing the ex vivo blood vessels before (left) and after (right) gelation of SOR@LDH-CuS/P. (c) MTT results of 4T1, Hela and HepG2 cells incubated with LDH-CuS/P hydrogels containing various concentrations of LDH-CuS. (d) Cell viability of HepG2 cells after different treatments: (1) control, (2) NIR, (3) LDH-CuS/P, (4) LDH-CuS/P + NIR, (5) SOR@LDH-CuS/P, (6) SOR@LDH-CuS/P + NIR. (e) Calcein-AM/PI staining images and (f) apoptosis analysis by flow cytometry after different treatments