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. 2020 Jul 14;15:5073–5082. doi: 10.2147/IJN.S252049

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© 2020 Zhou et al.

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(A) Schematic diagram of synthetic process of PDA-XA-NPs. (B) TEM image of PDA-XA-NPs. (C) TEM image of PDA. (D) In vitro release of PDA-XA-NPs in PBS at different pH values. (E) Stability of PDA-XA-NPs in PBS and SGF. (F) Protein contents in supernatant of XA and PDA-XA-NPs (***P < 0.001 vs XA). (G) Gastric mucosal retentions of XA and PDA-XA (***P < 0.001 vs XA).