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. 2022 May 1;8(5):280. doi: 10.3390/gels8050280

Figure 5.

Figure 5

(a) Illustration of preparation process of PNIPAM/Ecoflex/CNTs hydrogel. Copyright from Ref. [72] Elsevier. (b) Illustration of preparation of PNIPAM and graphene aerogel double network hydrogel. Copyright from Ref. [105] John Wiley and Sons. (c) Illustration of preparation of PNIPAM with GO as conductive component reinforcement hydrogel. Copyright from Ref. [86] ACS publications. (d) Illustration of preparation of PNIPAM with rGO as conductive component and reinforcement hydrogel. Copyright from Ref. [90] Royal Society of Chemistry.