Role of Triboelectric Nanogenerators in the Advancement of Polymer Wound Dressing Technology
Subject Areas :
Bahar Vaseghi Maghvan
1
,
Sara Tarashi
2
*
1 - Polymer Engineering Department, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
2 -
Keywords: Triboelectric Nanogenerator, Polymer, Wound Dressing, Tissue Repair,
Abstract :
Triboelectric nanogenerators (TENGs), as one of the emerging technologies for converting mechanical energy into electrical energy, possess remarkable potential for enhancing performance, improving efficiency, and enabling the smart functionality of polymer-based wound dressings. In this study, the working principles of TENGs, the various charge-generation mechanisms, and their advantages in producing stable electrical currents are examined. Furthermore, the role of biocompatible and flexible polymers in designing advanced wound dressings adaptable to biological environments is discussed. The integration of these nanogenerators into polymeric wound dressings enables localized low-voltage electrical stimulation, which can activate biological pathways involved in tissue repair, thereby accelerating essential processes such as cell migration and tissue regeneration. According to research, TENG-equipped wound dressings represent a novel approach to active wound therapy, capable of harnessing natural body movements or physiological changes to generate the electrical current required for cellular stimulation, without the need for an external power source. Despite progress, challenges such as reduced stability in humid environments, decreased mechanical strength, high costs, and the need for long-term biocompatibility assessment persist. Nevertheless, the development of self-powered wound dressings with integrated biosensing and intelligent responsiveness offers a promising outlook for translating this technology from the research stage to clinical applications.
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