Fig. 8

Comparison of ECG signals: (a) 4 wt.% CNT/PDMS composite-based dry electrode with Ag/AgCl electrode; (b) 6 wt.% CNT/PDMS composite-based dry electrode with Ag/AgCl electrode; (c) 8 wt.% CNT/PDMS composite-based dry electrode with wet Ag/AgCl electrode.