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. 2022 Oct 21;2022:9850743. doi: 10.34133/2022/9850743

Figure 4.

Figure 4

NIR-responsive drug release and conductivity ability of the DEX/GO hydrogels. (a) The scheme demonstrating the NIR-responsive controlled drugs delivery. (b) The schematic showing the electrical self-healing ability of 8% DEX/GO5 hydrogel. (c) Switchable release of rhodamine B from the 8% DEX/GO5 hydrogels upon switching on and off the NIR laser light. (d) Controllable FITC-BSA release from 8% DEX/GO5 hydrogels upon switching on and off NIR laser. (e) The conductivity of the 8% hydrogels with different GO contents. (f) The conductivity of the 8% DEX/GO5 hydrogels at different temperatures. (g) Optical images demonstrating the good conductivity of the 8% DEX/GO5 hydrogel during a breaking/healing cycle. Scale bars: (i–iii) 1 cm. (h) Electrical self-healing ability of the 8% DEX/GO5 hydrogel showing the resistance variation during the cut/healing process.