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. 2022 Jun 28;13:3727. doi: 10.1038/s41467-022-31338-9

Fig. 2. Application of UCDEs as stretchable biopotential sensors.

Fig. 2

a EMG signal of commercial gel electrodes compared to UCDEs. b ECG signal of commercial gel electrodes compared to UCDEs. ce 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.