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. 2021 Jun 3;16:3803–3818. doi: 10.2147/IJN.S312074

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© 2021 Liu et al.

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In vitro biocompatibility of the scaffolds.

Notes: (A) Confocal fluorescent images showing results of FDA/PI staining of human dermal fibroblasts cultured on the scaffolds for 1, 4 and 7 days. (B) Results of CCK-8 assay performed on human dermal fibroblasts seeded on the scaffolds (mean ± SD; *P<0.05, **P<0.01). (C) FESEM image displaying the morphology of human dermal fibroblasts seeded on the 0.1%GO-PCL/NAC-CS-PCL scaffolds after 1 day of culture. The red arrow indicates the pseudopods derived from cells.