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Silver nanowire dry electrode
This silver nanowire dry electrode with a standard metal snap was developed by researchers at North Carolina State University to monitor electrophysiological signals such as electrocardiography or electromyography.
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The sensor is as accurate as the "wet electrode" sensors used in hospitals -- that rely on an electrolytic gel between the sensor and the patient's skin, which can dry up -- but can be used for long-term monitoring and is more accurate than existing sensors when a patient is moving.
Long-term monitoring of electrophysiological signals can be used to track patient health or assist in medical research, and may also be used in the development of new powered prosthetics that respond to a patient's muscular signals.
This research was supported by the National Science Foundation through the ASSIST Engineering Research Center at NC State under grant EEC-1160483.
To learn more about this research, see the NC State news release Wearable sensor smooths path to long-term EKG, EMG monitoring. (Date of Image: 2012-2013)
Credit: Yong Zhu, North Carolina State University
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