Printed Sensors for Quantifying Electrodermal Activity and Sweat Rate: A Review

Area of Science:

• Biomedical Engineering
• Wearable Technology
• Sensor Technology

Background:

• Electrodermal activity (EDA) and sweat monitoring (SM) provide valuable neurological health insights.
• Traditional setups are often bulky, limiting their integration into wearable devices.
• Improving the reliability and understanding of EDA signals requires advanced monitoring techniques.

Purpose of the Study:

• To review fabrication techniques, materials, and measurement methods for EDA and sweat monitoring electrodes.
• To highlight the role of printed electronics in developing advanced wearable sensors.
• To explore the potential of printed sensors for continuous, non-invasive health monitoring.

Main Methods:

• Overview of principal techniques for fabricating EDA and sweat monitoring electrodes.
• Analysis of materials and measurement methods used in sensor development.
• Focus on the application of printing technologies for flexible, on-skin sensors.

Main Results:

• Printed electronics enable scalable, low-cost, and customizable fabrication of flexible sensors.
• Wearable sensors using printed electronics enhance adaptability and user comfort.
• These technologies significantly improve physiological signal quality for health monitoring.

Conclusions:

• Printed electronics are a key enabler for advanced wearable health monitoring devices.
• The integration of printed sensors enhances the reliability and personalization of health insights.
• This approach opens new opportunities for continuous, non-invasive physiological monitoring.