Science Advances

Supplementary Materials

The PDF file includes:

  • Note S1. Recoverability of the twining electrode and the maximum strain in the Au layer.
  • Note S2. Comparison of bending stiffness.
  • Note S3. Comparison of tension stiffness.
  • Note S4. Calculation of the SNR.
  • Fig. S1. Design of the SMP network and the mechanistic illustration of reconfiguration (plastic) and recovery (elastic).
  • Fig. S2. Chemical network of the precursor monomers and the synthesized SMPs.
  • Fig. S3. Characterization of the thickness of the Au/Ti and PI layers.
  • Fig. S4. Characterization of the SMP.
  • Fig. S5. Cyclic voltammogram.
  • Fig. S6. Impedance spectroscopy.
  • Fig. S7. Mechanical model for the twining electrode and the corresponding results.
  • Fig. S8. FEA models and results for EA.
  • Fig. S9. The parameters used in the FEA and the corresponding FEA model.
  • Fig. S10. The FEA comparison results of the normal and shear stress applied on the nerve under three deformation modes.
  • Fig. S11. Calculations of the recorded SNR.
  • Table S1. Comparison of (EI)Twining and (EI)Tradition.

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mp4 format). Twining plants under complex deformations.
  • Movie S2 (.mp4 format). The twining electrode is twined on a glass rod driven by 37°C water.
  • Movie S3 (.mp4 format). The electrical conductivity test.
  • Movie S4 (.mp4 format). The demonstration of the recovery of the twining electrode upon physiology temperature.
  • Movie S5 (.mp4 format). The illustration of the mechanical reliability of the twining electrode under stretching and bending.
  • Movie S6 (.mp4 format). The in vivo self-climbing on vagus nerve process of the twining electrode.
  • Movie S7 (.mp4 format). The self-adaptive adjustment of the twining electrode.
  • Movie S8 (.mp4 format). The twining electrode conformally contacts with the deforming vagus nerve.
  • Movie S9 (.mp4 format). The activated moments of the leg of the anesthetized rabbit.

Files in this Data Supplement: