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. Author manuscript; available in PMC: 2022 Jan 10.
Published in final edited form as: J Control Release. 2020 Dec 5;329:299–315. doi: 10.1016/j.jconrel.2020.12.001

Fig. 9.

Fig. 9.

(A) Serum IgG titers after immunization of mice with influenza antigen adjuvanted with PCPP with variable content of carboxylic acid group. (Reprinted with permission from [85]. Copyright 2004, American Chemical Society); (B) HAI titers in mice immunized with influenza antigen adjuvanted with PCPP having various molecular weight. (Reprinted from [27], Copyright 1997, with permission from Elsevier). (C) PCEP stimulates increased immune cell numbers in the draining lymph nodes in mice; (D) Intracellular uptake of PCEP at the injection site in mice as analyzed using a confocal laser scanning microscope. (All reprinted from [115], Copyright 2014, with permission from Elsevier); (E) Fluorescence microscopy visualization of PCEP copolymer enhanced cytosolic delivery of a model protein cargo (Reprinted with permission from [116]. Copyright 2017 American Chemical Society)