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. Author manuscript; available in PMC: 2024 May 1.
Published in final edited form as: Small Methods. 2023 Mar 24;7(5):e2300252. doi: 10.1002/smtd.202300252

Figure 8.

Figure 8.

Immune checkpoint blockade for PIT. (A) Microneedle delivery of photosensitizers and anti-CTLA4 loaded within double emulsion nanoparticles enables synergistic antitumor therapy. Adapted with permission.[216] Copyright 2020, Elsevier Ltd. (B) A 3-in-1 platform for delivering the photosensitizer Ce6 and two immune checkpoint inhibitors [dextro-1-methyl tryptophan (1-mt) and anti-PDL1] is constructed via electrostatic interactions. Adapted with permission.[221] Copyright 2019, American Chemical Society.