Fig. 6.

a. Schematic illustrations of multimodal cancer therapy procedures. b. Schematic illustrations of the multifunctional endoscope system through transparent bioelectronic devices and therapeutic nanoparticles. c. Structure and preparation (left) of graphene hybrid and SEM images (right) of graphene hybrid before and after the lrO_x electrodeposition. d. Optical transmittance measurement of the graphene hybrid. e. Contact impedance of graphene hybrid in the interface between endoscope and tumor. f. Cell viability after different treatments. (**P < 0.0001, Student's t-test). Cited and reproduced from the reference [102].