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Contactless and Wireless Wound Monitoring Using Nitrogen-Doped Graphene Antenna Sensor.

Jiawei Hu1, Mingji Li1, Xiuwei Xuan1

  • 1Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Integrated Circuit Science and Engineering, Tianjin University of Technology, Tianjin 300384, PR China.

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|March 3, 2026
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Summary
This summary is machine-generated.

A novel nitrogen-doped horizontally grown graphene (NHG) antenna sensor enables wireless, real-time wound monitoring. This technology quantifies wound status, including fluid, temperature, and pH, improving patient recovery and healthcare efficiency.

Keywords:
N-doped grapheneantenna sensorcontactlesswirelesswound monitoring

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Sensor Technology

Background:

  • Quantitative remote wound monitoring offers potential benefits for patient recovery and healthcare professional workload.
  • Current methods for wound assessment can be invasive and time-consuming.

Purpose of the Study:

  • To design and develop a wireless, real-time antenna sensor for quantitative wound monitoring.
  • To assess the sensor's capability in measuring key wound parameters like fluid, temperature, and pH.

Main Methods:

  • A nitrogen-doped horizontally grown graphene (NHG) antenna sensor operating at 2.45 GHz was fabricated.
  • The sensor utilizes dual signal tracking (resonance frequency and return loss) for sensing.
  • Machine learning algorithms were employed for data analysis and wound parameter evaluation.

Main Results:

  • The NHG antenna sensor demonstrated real-time monitoring of wound fluid, temperature (34-43 °C, 0.1 °C resolution), and pH.
  • It achieved a minimum fluid response volume of 25 μL and a response time of 20 s.
  • Successful validation was shown in monitoring wound healing in mice and preliminary application in human patients.

Conclusions:

  • The developed NHG antenna sensor provides a novel, non-invasive approach for quantitative wound assessment.
  • This technology has the potential to significantly improve wound care management and patient outcomes.
  • Further clinical validation could lead to widespread adoption in healthcare settings.