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Updated: Jul 31, 2026
Fabrication and Characterization of a Conformal Skin-like Electronic System for Quantitative, Cutaneous Wound Management
Published on: September 2, 2015
Sensorable zwitterionic antibacterial hydrogel for wound electrostimulation therapy
Jinghua Li1, Meijun Chen2, Shaowen Cheng3
1The 1st Affiliated Hospital, School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, 471000, China; Key Laboratory of Emergency and Trauma of Ministry of Education, Department of Wound Repair, The First Affiliated Hospital, College of Emergency and Trauma, Hainan Medical University, Haikou, 570100, China; Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, 810008, China.
A novel dual-network conductive hydrogel dressing, PEDOT:PSS-co-PSBMA/XLG (PPSX), shows promise for wound healing. This material rapidly forms hydrogels, offers bioelectronic sensing capabilities, and effectively inhibits bacteria while promoting cell growth.
Area of Science:
- Materials Science
- Biomedical Engineering
- Polymer Chemistry
Background:
- Hydrogel dressings are crucial for wound healing, but their therapeutic efficacy is often limited.
- Developing advanced wound care materials with enhanced functionalities is essential for improved patient outcomes.
Purpose of the Study:
- To develop a novel dual-network conductive hydrogel dressing with improved wound healing properties.
- To explore the potential of this hydrogel in bioelectronic sensing applications.
Main Methods:
- Synthesized a dual-network conductive hydrogel system, PEDOT:PSS-co-PSBMA/XLG (PPSX), using poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT: PSS), zwitterionic N, N-dimethyl-N-(2-methacryloyloxyethyl)-N-(3-sulfopropyl) ammonium betaine (SBMA), and nanoclay-synthesized lithium magnesium silicate (XLG).
- Investigated the hydrogel's water absorption, gelation time, and conductivity.
- Evaluated its antibacterial activity and effect on cell proliferation.
- Assessed its potential for flexible sensing bioelectronic devices.
Main Results:
- The PPSX hydrogel powder rapidly absorbed water within 30 seconds to form hydrogels of arbitrary shapes.
- Achieved a conductivity of 1.8 S/m, suitable for flexible sensing bioelectronic devices.
- Demonstrated effective inhibition of bacterial growth and promotion of cell proliferation, indicating significant potential for wound healing.
Conclusions:
- The developed PPSX hydrogel dressing offers a promising new material for wound healing due to its rapid gelation, conductivity, antibacterial properties, and cell-promoting effects.
- Its bioelectronic sensing capabilities open avenues for advanced wound monitoring and human activity tracking.
