Figure 2
Fourier transform infrared spectroscopy (FTIR) functional group changes in earthworm mucus under different electrical stimuli. 5.10, 5.20, 5.30, 6.10, 6.20, 6.30 indicate 5Â V 10Â mA, 5Â V 20Â mA, 5Â V 30Â mA, 6Â V 10Â mA, 6Â V 20Â mA, and 6Â V 30Â mA, respectively.
