Fig. 4

a Schematic representation of PES-Au@PDA to achieve synergistic PTT and RT of glioblastoma cancer cells, b Confocal laser scanning microscopy images of SW1783 cells stained with calcein AM (green) and propidium iodide (PI) (red), c ER structures of SW1783 cells, d CT and T1-weighted MR images were acquired at the indicated times (0, 4, 12, 24, 48 h) following intravenous injection of 12 nm/kg PES-Au@PDA NPs. Reproduced with permission from [128]. Copyright ©2020, Elsevier