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. 2021 May 24;3:669763. doi: 10.3389/fmedt.2021.669763

Figure 8.

Figure 8

Photographic and morphologic characterizations on rGO/silk biomaterials. (A) Images of random silk, GO/silk, and rGO/silk materials. (B) Cross-sectional images of rGO/silk materials in the (i) central and (ii) marginal regions in (A) show no distinction in rGO coating thickness. (C) SEM images of the surface and cross-section of silk and rGO/silk scaffolds, showing an integrated rGO layer and a nanofibrous morphology that is controllable based on the coating thickness. (D) Fibre orientation distribution of random and aligned electrospun silk matrices. (E) rGO coating thickness shows a positive relationship with the GO doping mass. (F) Immunofluorescence show α-actinin expression for cardiomyocytes after day 7. Reproduced with permission from Zhao et al. (124). A significant difference is defined as *p < 0.05, **p < 0.01, ***p < 0.001.