fig11
Figure 11. Other applications for LM material sensors. (A) KLP structure and the principle of stretchability[211]; (B) Three EEG signals for different mental states[211]; (C) Frequency distribution of EEG signals after FFT processing[211]; (D) Schematic diagram of the sweat sensor and test results on the concentration of selected biomarkers[186]. EEG: Electroencephalographic; KLP: kirigami-structured LM paper; LM: liquid metal.