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A Wearable Low-Power Sensing Platform for Environmental and Health Monitoring: The Convergence Project.

Elise Saoutieff1, Tiziana Polichetti2, Laurent Jouanet1

  • 1Univ. Grenoble Alpes, CEA, LETI, F-38000 Grenoble, France.

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Summary

The Convergence project developed a wireless, low-power wearable sensing platform for continuous health and environmental monitoring. This system enhances early detection strategies by collecting vital data and monitoring air pollutants like nitrogen dioxide (NO2) and carbon monoxide (CO).

Keywords:
CO sensorInternet of Things (IoT)NOx sensorautonomous sensing platformenvironment monitoringhealth monitoringintegrationlow-power consumptionwearable electronics

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Area of Science:

  • Wearable technology
  • Environmental sensing
  • Energy-efficient systems

Background:

  • Healthcare and lifestyle applications require autonomous, continuous data collection for early detection.
  • Existing systems face limitations in meeting demands for extended monitoring periods.
  • There is a need for multifunctional wearable systems capable of monitoring both personal health and environmental factors.

Purpose of the Study:

  • To introduce the specifications and design of a novel low-power sensing platform.
  • To present the development of various sensors for the platform.
  • To highlight the system's capabilities in pollutant sensing, specifically nitrogen dioxide (NO2) and carbon monoxide (CO).

Main Methods:

  • Development of a wireless, low-power, multifunctional wearable sensing system.
  • Integration of energy-efficient technologies for enhanced autonomy.
  • Design and implementation of sensors for physiological indicators and ambient air quality (NOx, COx, NHx).
  • Focus on NO2 sensing using graphene and CO sensing using polyaniline ink.

Main Results:

  • The platform supports quasi-continuous data collection for early detection strategies.
  • It enables monitoring of personal health indicators (activity, temperature, biomarkers).
  • The system effectively monitors ambient air composition, identifying exposure to pollutants.
  • Specific sensor developments include graphene-based NO2 sensors and polyaniline ink-based CO sensors.

Conclusions:

  • The low-power sensing platform offers a versatile solution for lifestyle and healthcare monitoring.
  • Its ability to detect specific air pollutants like NO2 and CO enhances personal safety and environmental awareness.
  • The energy-efficient design ensures autonomy for quasi-continuous data acquisition, supporting early detection initiatives.