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Flexible Sweat Sensors: From Films to Textiles
Dan Luo1,2, Haibo Sun1,2, Qianqian Li1,2
1School of Textile Science and Engineering, Tiangong University, Tianjin 300387, P. R. China.
ACS Sensors
|February 10, 2023
Summary
Flexible sweat sensors offer advanced human health monitoring. This review highlights textile-based sensors as a superior alternative to thin-film options for improved comfort and performance.
Area of Science:
- Biomedical Engineering
- Materials Science
- Wearable Technology
Background:
- Flexible sweat sensors are crucial for continuous health monitoring.
- Current thin-film substrates have limitations like poor breathability and require extra wearables.
- Textile-based substrates offer potential advantages for wearable sensor applications.
Purpose of the Study:
- To systematically review recent advancements in flexible sweat sensor technology.
- To compare the performance of thin-film versus textile-based sweat sensors.
- To provide insights into sensor integration and future development opportunities.
Main Methods:
- Systematic literature review of flexible sweat sensors.
- Categorization based on monitoring methods.
- Comparative analysis of sensor performance on different substrates (thin-film vs. textile).
Main Results:
- Thin-film sensors face challenges with air permeability and integration.
- Textile-based sensors, including fiber/yarn, show promising performance.
- Various sensor integration methods with human body monitoring sites were analyzed.
Conclusions:
- Textile substrates represent a significant advancement over traditional thin-film materials for flexible sweat sensors.
- Further research into sensor integration is needed to optimize wearable health monitoring systems.
- Flexible sweat sensors, particularly textile-based ones, hold great potential for real-time, long-term health tracking.
