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Fig. 7 | Biomaterials Research

Fig. 7

From: Aligned nanofibrous collagen membranes from fish swim bladder as a tough and acid-resistant suture for pH-regulated stomach perforation and tendon rupture

Fig. 7

In vivo wound healing. The gastric fistula of rabbit was firstly sutured in the mucosal layer and then in the serosal layer (A: schematic diagram, B: operation diagram (n = 3 in each group)). C Endoscopy performed to observe wound healing after 3 days, 7 days, 2 weeks and 4 weeks, respectively. D Anatomy and specimen images after 4 weeks. Immunohistochemical staining of PCNA (E), CD31 (F), and their corresponding histogram graph (n = 3) (G) and α-SMA (H)

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