Related Experiment Video
Updated: Oct 28, 2025
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Fabrication and Characterization of a Conformal Skin-like Electronic System for Quantitative, Cutaneous Wound Management
Published on: September 2, 2015
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Come together: On-chip bioelectric wound closure
Tom J Zajdel1, Gawoon Shim1, Daniel J Cohen1
1Mechanical & Aerospace Engineering, Princeton University, 08544, Princeton, NJ, United States.
Biosensors & Bioelectronics
|July 15, 2021
Summary
Bioelectric wound treatment uses electrotaxis (cell electric field detection) to speed healing. A new
Area of Science:
- Bioelectricity
- Cell Biology
- Wound Healing Research
Background:
- Electrotaxis, or cell migration along electric fields, is key to natural wound healing.
- Previous studies lacked direct evidence of electrotaxis accelerating wound closure.
- In vivo models are complex, hindering standardization of bioelectric stimulation methods.
Purpose of the Study:
- To develop a standardized, low-cost 'healing-on-a-chip' model for studying bioelectric wound treatment.
- To investigate if electrotaxis alone can accelerate wound closure.
- To create a biomimetic model resembling in vivo wound electric fields.
Main Methods:
- Developed a 'healing-on-a-chip' device with biomimetic convergent electric fields.
- Used primary skin keratinocytes to create a 1.5 mm wound gap.
- Applied electrical stimulation to investigate accelerated wound closure.
Main Results:
- Electrical stimulation using the device closed the keratinocyte wound gap twice as fast as unstimulated controls.
- Demonstrated that convergent electrotaxis can significantly accelerate wound healing.
- Validated the 'healing-on-a-chip' platform for bioelectric interface research.
Conclusions:
- Convergent electrotaxis is a viable mechanism for accelerating wound healing.
- The 'healing-on-a-chip' platform provides a standardized model for bioelectric wound treatment research.
- This approach facilitates the development of new bioelectric therapies for faster wound closure.
