Fig. 6

Lumen image after 4 weeks of scaffold implantation. (a) Ordinary silicone scaffold, with the lumen filled with mucus; (b) AgNPs/CNTs-coated scaffold, with a small amount of mucus adhering to the tube wall.

Lumen image after 4 weeks of scaffold implantation. (a) Ordinary silicone scaffold, with the lumen filled with mucus; (b) AgNPs/CNTs-coated scaffold, with a small amount of mucus adhering to the tube wall.