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International Journal of Bioprinting 3D-printed PPDO/GO stents for CHD treatment

Figure 9. Staining images of the endothelialization evaluation of PPDO/GO stents. (a–c) H&E and (d–f) CD31 staining of the vascular tissues surrounding
(b, e) PPDO and (c, f) PPDO/0.5%GO filaments implanted in the abdominal aortas of SD rats for 4 weeks. (a and c) Native abdominal aorta served as
the sham group. # represents the implantation location; arrows represent CD31-positive endothelial cells in the neointima. Scale bars: 200 µm (a–c, left;
d–f, left); 100 µm (a–c, right); 20 µm (d–f, right). Abbreviations: GO, graphene oxide; H&E, Hematoxylin and eosin; PPDO, poly(p-dioxanone); SD,
Sprague–Dawley.

Volume 10 Issue 6 (2024) 331 doi: 10.36922/ijb.4530