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. Author manuscript; available in PMC: 2021 Jan 1.
Published in final edited form as: Int J Polym Mater. 2019 Aug 26;69(16):1054–1068. doi: 10.1080/00914037.2019.1655750

Figure 12.

Figure 12.

Graphical representation of in vitro cyto-compatibility of delivery systems depicted by percent relative cell viability after 24, 48 and 72 h at different dilutions of copolymer degradation products extracted by incubating copolymer formulation (A) without chitosan for 10 days at 37 °C, (B) with chitosan for 10 days at 37 °C, (C) without chitosan for 10 days at 70 °C, and (D) with chitosan for 10 days at 70 °C. Biocompatibility was evaluated in HEK-293 cell line using MTT assay. Data expressed as mean ± SD, n = 4.