fig12
Figure 12. Multimodal implantable hydrogel interfaces. (A and B) Highly stretchable hydrogels as implantable electrodes for the recording of neural signals[102]; (C-F) In situ multimodal transparent electrophysiological hydrogel for in vivo miniature two-photon neuroimaging and neural signal analysis[85]; (G-I) MRI compatible ICH electrodes[76]. MRI: Magnetic resonance imaging; ICH: injectable conductive hydrogel.