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Fig. 5 | Cancer Cell International

Fig. 5

From: Recent advances in targeted drug delivery systems for resistant colorectal cancer

Fig. 5

Advanced hydrogel-based drug delivery systems for CRC. A. Hybrid hydrogel. Dual hydrogel-based drug delivery system (DDDS). a Schematic design and working principle. b TEM images of DDDS. From [120] with permission. Copyright (2021) Elsevier. B. Bioresponsive hydrogel. pH/thermo-sensitive hydrogels for CRC treatment. a. schematic design of dual-responsive nanogel. b. TEM images of blank nanogel and DOX/CUR- pH thermosensitive nanogel. From [121] under Creative Common Attribution License.4.0. Copyright (2021) Springer Nature

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