Fig. 2: Application of UCDEs as stretchable biopotential sensors.
From: Upcycling Compact Discs for Flexible and Stretchable Bioelectronic Applications
a EMG signal of commercial gel electrodes compared to UCDEs. b ECG signal of commercial gel electrodes compared to UCDEs. c–e Fully wireless ECG sensor. c Schematic illustration of wearable ECG device; a smartphone wirelessly connected via Bluetooth (top) to a controller unit (bottom). d Photograph of the stretchable UCDEs as ECG sensors integrated with the wireless operating system (scale bar, 4 cm). e ECG signal is recorded via the smartphone application.
