Skin functions as a sophisticated sensorial system in the human body, capable not only of detecting environmental stimuli—such as temperature, pressure, strain, and vibration—but also of actively responding to these changes.
Self-adaptive system for temperature control: A dynamically controllable strategy for healing wound tissueAn interactive electronic system inspired by the temperature self-regulation of human skin. Credit: All authors
The use of flexible fibrous materials to reconstruct the functionality of damaged skin holds significant potential in the fields of biomimetic robotics and tissue repair, particularly in restoring the skin's capacity for temperature perception and adaptive regulation, which could significantly improve the quality of life for individuals with skin injuries.
Considering the constraints of industrial production costs, the team chose laser-induced graphene , known for its orderly texture and disordered porous structure, as the material for the temperature control unit. An acrylic copolymer was selected as the main component for the positive temperature coefficient thermistor, demonstrating good reproducibility in tests.
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