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. 2022 Feb 3;9(10):2105373. doi: 10.1002/advs.202105373

Figure 7.

Figure 7

a) A schematic presentation of nanogel synthesis by miniemulsion polymerization and its pH‐responsive drug release phenomena for cancer therapy. Reproduced with permission.[ 195 ] Copyright 2011, Elsevier. b) Nanogel transcytosis across an in vitro blood‐brain barrier facilitated by low nanogel stiffness. Reproduced under the terms of a Creative Commons Attribution 4.0 International License.[ 204 ] Copyright 2021, The Authors. ublished by Elsevier. c) The scanning electron microscopic image of T lymphocyte invading through the poly(ethylene glycol)‐g‐chitosan gel. d) Percent of tumor cell death (U‐87 MG cell line) caused by T lymphocyte treatment at various T lymphocyte/U87 ratios (1/0, 3/1, 100/1). Mock is the negative control. e) Fluorescence image of T lymphocytes (green) attached to U‐87 MG cells (red) after crossing through the transwell membrane mimicking the blood‐brain barrier under in vitro test condition. c–e) Reproduced with permission.[ 207 ] Copyright 2014, American Chemical Society.