fig7

Figure 7. Degradability test of POC-PEG/AgNW CPEs. (A) Schematic diagram of hydrolytic degradation of citric acid-based CPEs. (B) Photographs of POC-PEG/AgNW CPE soaked in PBS buffer for 0-5 months. (C) Photographs of POC-PEG/AgNW CPE soaked in 0.1 mol L^-1 NaOH aqueous solution for 0-12 h. (D) Elution curves of prepolymers of POC-PEG polyester elastomer. (E) Molecular weight distribution curve of prepolymer of POC-PEG polyester elastomer. (F) Elution curve of POC-PEG/AgNW CPE after degradation in 0.1 mol L^-1 NaOH for 10 d. (G) Molecular weight distribution curve of POC-PEG/AgNW CPE after being soaked in 0.1 mol L^-1 NaOH for 10 d.