Figure 6.

Construction and characterization of the composite sponge doped with PDA-NPS and its drug delivery system

(A) Photothermal images of various composite scaffolds under 808-nm NIR laser irradiation.

(B) The physical images of the NIR photothermal performance of composite scaffolds.

(C) The temperature changes of the composite scaffold under 808-nm NIR laser irradiation.

(D) The physical images of the 24-h in vitro composite scaffold collagenase degradation experiment.

(E) Dynamic quantitative statistical chart of in vitro degradation experiments.

(F) Images illustrating subcutaneous degradation of composite scaffold implants in rats.

(G) Images illustrating the in vivo degradation of H&E staining at different time points.

(H) SEM images of drug-delivered stents.

(I) Growth factor release assay of in vitro drug-delivered stents: (a) PDGF-BB; (b) VEGF.