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Fig. 2 | Cell Regeneration

Fig. 2

From: Fabrication of SA/Gel/C scaffold with 3D bioprinting to generate micro-nano porosity structure for skin wound healing: a detailed animal in vivo study

Fig. 2

Structure of the 3D bioprinted SA/Gel/C scaffold. A A schematic diagram of the structure of the bionic skin scaffold. B The appearance of the scaffold: (i) the top view and (ii) the side view of the printed scaffold, and (iii) the freeze-dried scaffold includes the dermis layer. Scanning electron microscopy images of the scaffold without fibroblasts. From left to right, the upper layer (C1, C2), lower layer (D1, D2), and side view (E1, E2). SEM images of fibroblasts on scaffolds. On day 1 after culture, fibroblasts on the upper layer (F) and sectional view (G and H)

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