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Updated: Jun 22, 2025

08:50
Fabrication and Characterization of a Conformal Skin-like Electronic System for Quantitative, Cutaneous Wound Management
Published on: September 2, 2015
8.9K
Transparent photothermal hydrogels for wound visualization and accelerated healing
Ge Xie1, Nuoya Zhou2, Shuo Du1
1Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry & Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
Fundamental Research
|June 27, 2024
Summary
This study presents a transparent photothermal hydrogel wound dressing. The novel material accelerates healing by localized heating while allowing real-time wound monitoring, overcoming previous opacity limitations.
Area of Science:
- Biomaterials Science
- Materials Chemistry
- Wound Healing Research
Background:
- Photothermal hydrogels offer promising wound healing acceleration.
- Current hydrogels often lack transparency, hindering wound state monitoring.
- Balancing photothermal conversion and visualization is a key challenge.
Purpose of the Study:
- To develop a highly transparent photothermal hydrogel wound dressing.
- To enable simultaneous wound healing and real-time visual monitoring.
- To address the opacity issue in existing photothermal hydrogel dressings.
Main Methods:
- Incorporating cesium tungsten oxide (CsxWO3) nanorods into polyacrylamide hydrogels.
- Fabricating a composite photothermal hydrogel film.
- Evaluating light absorption, transmittance, and photothermal heating properties.
- Conducting in vivo experiments on a mouse skin wound model.
Main Results:
- The composite hydrogel exhibited high near-infrared light absorption and visible light transmittance (>70%).
- Near-infrared laser irradiation induced localized heating up to 45 °C.
- Accelerated wound healing was observed in the mouse model.
- Real-time wound observation was achieved due to high transparency.
Conclusions:
- A novel, transparent photothermal hydrogel dressing was successfully developed.
- This material effectively balances photothermal therapy and wound visualization.
- The findings promote the clinical application potential of advanced wound dressings.

