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![Citric acid-based degradable polyester elastomers coated with silver nanowires for sustainable soft sensors](https://image.oaes.cc/43649927-575f-4226-bbbc-1439d4debf7f/5156.fig.4.jpg)
Figure 4. Tensile strain sensitivity of POC-PEG/AgNW CPEs. (A) Schematic illustration of strain sensing mechanism of POC-PEG/AgNW CPEs. (B) Resistance response of POC-PEG/AgNW CPEs to increasing strain from 0 to 50%. (C) Linear fitting of ΔR/R0-strain curve. (D) Resistance response of POC-PEG/AgNW CPEs to cyclic strain of 25% over 800 cycles. (E) Response time of POC-PEG/AgNW CPEs to transient strain. (F) Resistance response of POC-PEG/AgNW CPEs to different strains of 10%, 25% and 50%. (G) Strain sensitivity of POC-PEG/AgNW CPEs containing AgNW layers with different thicknesses.