KELOWNA, British Columbia – Researchers at the University of British Columbia Okanagan have developed a sensor to monitor and interpret human motion through a wearable device. The sensor is made by infusing graphene nano-flakes (GNF) into a rubber-like adhesive pad. The researchers tested the durability of the sensor by stretching it to see if it can maintain accuracy under strains of up to 350% of its original state; the device went through more than 10,000 cycles of stretching and relaxing, while maintaining its electrical stability. “We tested this sensor vigorously,” said Homayoun Najjaran, one of the researchers, in a statement. “Not only did it maintain its form but more importantly it retained its sensory functionality.” The goal was to make something that could stretch, and be flexible and a reasonable size, and have the required sensitivity, performance, production cost and robustness, as well as respond to movements, including a heartbeat, twitch of a finger, walking and running. The researchers said their results could help manufacturers create the next generation of health monitoring and biomedical devices.
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