Figure 8.
Schematic illustration of the synthesis of lignin-incorporated nanogels for wound healing application. (A). Extraction of lignin from coconut husk. (B). Synthesis of the thermoresponsive nanogel based on poly(ethylene glycol) (PEG, brown), poly(propylene glycol) (PPG, grey), and poly(dimethysiloxane) (PDMS-diol, blue). (C). Preparation of temperature-sensitive lignin-incorporated nanogel. (D). Wound healing application of the nanogel. Reprinted with permission from ref. [238] Copyright 2021, American Chemical Society.