fig7

Figure 7. Applications of biodegradable conductive pastes in biointerfaced systems. (A) Images of a bioresorbable wireless power-harvesting and stimulation device in which tungsten paste (W-paste) serves as the interconnection material, exhibiting a programmed operational lifetime. Reproduced with permission from Ref.^[35] under the CC BY-NC-ND license. No modifications were made; (B) Mo/PBAT strain sensor integrated onto a fully compostable soft robotic finger. Reproduced with permission from Ref.^[131]. Copyright 2026, Springer Nature; (C) Bioresorbable electronic arm sleeve system fabricated from W/PBAT fibers. Reproduced with permission from Ref.^[108] under the CC BY license; (D) Bioresorbable Mo/PCL composite nerve interface: (left) surgical procedure for implantation and (right) functional recovery of the sciatic nerve assessed via SFI. Reproduced with permission from Ref.^[12] under the CC BY license. PBAT: Poly(butylene adipate-co-terephthalate); PCL: polycaprolactone; SFI: sciatic functional index; PLGA: poly(lactic-co-glycolic acid); PBS: phosphate-buffered saline; LED: light-emitting diode; RF: radio frequency.