fig3
![Self-powered wearable IoT sensors as human-machine interfaces](https://image.oaes.cc/aac0689e-ffd9-4d2c-8bfd-bcb31e58c9ca/ss3013.fig.3.jpg)
Figure 3. (A and B) Flexible materials, Reproduced with permission[94,95]. Copyright 2021, American Chemical Society; Copyright 2022, Elsevier B.V.; (C-E) Degradable materials, Reproduced with permission[99,101,103]. Copyright 2020, Elsevier B.V.; Copyright 2022, American Chemical Society; Copyright 2022, Elsevier Ltd; (F-H) Nanomaterials, Reproduced with permission[110-112], Copyright 2021, American Chemical Society; Copyright 2023, Elsevier B.V.; Copyright 2022, Author(s). PDMS: Polydimethylsiloxane; PET: polyethylene glycol terephthalate; PVA: poly(vinyl alcohol).