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Hollow-Structured Ti3C2Tx Composite Fibers for Enhanced Pressure-Humidity Bifunctional Sensing in Febrile Convulsion
Yanan Xiao1, Qi Pu1, Xiaoteng Jia1
1State Key Laboratory of Integrated Optoelectronics, JLU Region, Key Laboratory of Advanced Gas Sensors, Jilin Province, College of Electronic Science and Engineering, Jilin University, 2699 Qianjin Street, Changchun 130012, China.
ACS Sensors
|November 6, 2025
Summary
This study presents a novel wearable sensor for early detection of febrile convulsions. The bifunctional sensor accurately monitors muscle activity and breathing rate, enabling timely alerts for prompt medical intervention.
Area of Science:
- Materials Science
- Biomedical Engineering
- Sensor Technology
Background:
- Wearable bifunctional sensors show promise for early warning systems for febrile convulsions.
- Challenges exist in real-time, precise dual-modal sensing and signal discrimination for clinical diagnosis.
Purpose of the Study:
- To develop a wearable bifunctional sensor for enhanced detection of febrile convulsions.
- To synergistically optimize humidity-pressure sensing performance through microstructure engineering.
Main Methods:
- Fabrication of hollow-microstructure Ti3C2Tx/poly(benzodifurandione) composite fibers.
- Engineering of the sensitive layer microstructure and conductive pathways.
- Integration with a control circuit for an early alarm system.
Main Results:
- The bifunctional sensor achieved high sensitivity (168.72 kPa-1) and low detection limit (0.67 Pa) for pressure sensing.
- Achieved rapid response/recovery times (3 s/20 s) and low humidity hysteresis (2.18% RH).
- Successfully established a real-time monitoring system for muscle activities and breathing rate, triggering mobile alerts.
Conclusions:
- The developed composite fiber sensor offers a new approach for intelligent healthcare and prompt treatment of febrile convulsions.
- This work advances wearable sensor technology for early warning systems in medical applications.
