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Sound Wave-Activated Self-Powered Adhesive Dressing for Accelerated Wound Healing
Shuo-Bing Yang1, Zheng-Dong Yuan2, Bai-Yang Yu1
1The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, China.
Advanced Healthcare Materials
|March 31, 2025
Summary
This study introduces a flexible adhesive self-powered wound dressing (FASW) that uses sound waves for chronic wound healing. The innovative FASW dressing promotes skin regeneration without needing skin bending or external devices.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Nanotechnology
Background:
- Self-powered wound dressings offer low toxicity and convenience for chronic wound treatment.
- Current technologies often depend on skin movement or bulky external devices, limiting their application.
Purpose of the Study:
- To develop a flexible adhesive self-powered wound dressing (FASW) driven by ambient sound waves.
- To promote skin regeneration and reduce inflammation in chronic wounds without external devices or skin bending.
Main Methods:
- Fabrication of the FASW dressing using a bioadhesive film (BAF), unidirectional fluorinated conductive film (UFCF), and a liquid metal (LM) interlayer.
- Chitosan cross-linking to enhance biocompatibility, stretchability, adhesion, and recyclability.
- In vivo testing to evaluate the dressing's efficacy in wound healing and tissue regeneration.
Main Results:
- The FASW dressing demonstrated effective sound wave-driven self-powering capabilities.
- In vivo experiments showed reduced inflammation and stimulated hair follicle regeneration.
- The dressing exhibited excellent biocompatibility, stretchability, tissue adhesion, and recyclability.
Conclusions:
- The proposed FASW dressing offers a novel approach to chronic wound treatment by utilizing ambient sound energy.
- This technology enhances therapeutic effects, particularly for individuals with limited mobility, by overcoming limitations of existing self-powered dressings.
