Related Experiment Video
Updated: Jan 15, 2026
06:27
Fast and Accurate Exhaled Breath Ammonia Measurement
Published on: June 11, 2014
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Wearable and Breathable MXene-Textile Sensor for Breath Ammonia Quantification and Joint Motion Tracking.
Peng Lin1,2, Huihui Hou1, Beibei Zhu3
1Institute of Physics & Electronic Information Engineering, Henan Polytechnic University, Jiaozuo 454003, China.
Nano Letters
|January 14, 2026
Summary
This study introduces a breathable Ti3C2Tx@Spandex textile sensor for improved flexible electronics. The novel sensor offers sensitive detection of ammonia and joint motion while maintaining breathability and durability for long-term skin-conformable applications.
Area of Science:
- Materials Science
- Wearable Technology
- Chemical Sensing
Background:
- Flexible sensors often cause skin irritation due to poor breathability.
- Current materials limit long-term use and comfort for wearable applications.
Purpose of the Study:
- To develop a breathable, skin-conformable textile sensor.
- To enable sensitive detection of gases and motion for point-of-care applications.
Main Methods:
- Fabrication of a monolithic Ti3C2Tx@Spandex textile sensor.
- Integration of MXene nanosheets for a continuous conductive network.
- Testing sensor performance under strain and gas exposure.
Main Results:
- Achieved a 5.1% response to 300 ppm NH3 with a 14s response time.
- Demonstrated full selectivity against 14 interfering gases.
- Maintained high water-vapor transmission rate and durability under 100% strain.
Conclusions:
- The breathable sensor enables sensitive, selective detection of ammonia.
- The sensor accurately resolves joint bending angles for kinematic monitoring.
- This technology advances point-of-care diagnostics and wearable health monitoring.
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