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. 2023 Aug 6;10(28):2303326. doi: 10.1002/advs.202303326

Figure 11.

Figure 11

Synthesis and characterization of NSHs based on ionic crosslinking and metal nanoparticle coordination, respectively. a) Fabrication scheme of dual ionically cross‐linked DN SA/P(AM‐co‐AA)/Fe3+ hydrogels. Adapted with permission.[ 183 ] Copyright 2018, American Chemical Society. b) Synthesis illustration of Al(OH)3 crosslinked hydrogel (Al‐NC gel). c) Photographs and d) volume SRs of organic crosslinked hydrogel (OR gel), nanoclay crosslinked hydrogel (clay‐NC gel), and Al‐NC gel immersed in distilled water or seawater (scale bar: 10 mm). Adapted with permission.[ 13a ] Copyright 2019, Elsevier B.V.