New Wearable CO2 Sensor Developed for Apnea Detection

Researchers at KAIST, led by Professor Seunghyup Yoo, have developed an ultralow-power carbon dioxide (CO2) sensor that can be attached to a mask for real-time breathing monitoring. This innovative sensor, made from a flexible organic photodiode, boasts significant advantages over existing non-invasive sensors, including reduced size and power consumption, operating at just 171 μW compared to several mW for traditional devices. The sensor enables accurate CO2 concentration measurement, providing critical insights for early diagnosis of respiratory diseases like chronic obstructive pulmonary disease and sleep apnea. By effectively addressing issues related to photodegradation that affect long-term accuracy, this breakthrough technology can operate continuously for up to 9 hours and offers high resolution respiratory rate monitoring. The research highlights the sensor’s potential for enhancing health monitoring, particularly in challenging environments. This study was published recently in the journal Device.

New Wearable CO2 Sensor Developed for Apnea Detection

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