Wearable Device for Monitoring Sweat Lactate and Tissue Oxygenation
Author Information
Author(s): Cheng Cindy, Ganguly Sayan, Li Pei, Tang Xiaowu
Primary Institution: Department of Chemistry, University of Waterloo
Hypothesis
Can a wearable device effectively monitor sweat lactate and tissue oxygenation simultaneously to detect hypoxia?
Conclusion
The study developed a wearable device that can non-invasively and concurrently monitor sweat lactate and tissue oxygenation, providing a reliable method for detecting hypoxia.
Supporting Evidence
- The device was tested on both phantom models and human subjects during exercise.
- It showed a strong correlation between lactate spikes and drops in tissue oxygenation during hypoxia protocols.
- The hydrogel-based sensor allows for real-time monitoring of lactate levels.
- The integration of lactate and oxygenation monitoring is a novel approach not previously reported.
Takeaway
Researchers created a special device that can check your sweat for a chemical called lactate and also see how much oxygen is in your skin, helping to tell if your body is getting enough oxygen.
Methodology
The device combines a colorimetric lactate biosensor and a near-infrared sensor to measure lactate and tissue oxygenation in real-time.
Limitations
The device's specificity for hypoxia may be affected by other factors like heat stress and dehydration.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website