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Figure 8. Typical piezo-capacitive and thermoresistive sensors. (A) Artificial multimodal receptors based on ion relaxation dynamics. Reproduced with permission^[24]. Copyright 2020, American Association for the Advancement of Science. (B) A self-healable bifunctional electronic skin. Reproduced with permission^[72]. Copyright 2020, American Chemical Society. (C) Transparent and flexible fingerprint sensor array with multiplexed detection of tactile pressure and skin temperature. Reproduced with permission^[73]. Copyright 2018, Springer Nature. (D) Highly ordered 3D microstructure-based electronic skin capable of differentiating pressure, temperature, and proximity. Reproduced with permission^[77]. Copyright 2018, American Chemical Society.