Science Advances

Supplementary Materials

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  • Permselectivity of PEDOT:PSS
  • Prevention of passive leakage
  • Simple model of delivery
  • Equivalent circuit modeling
  • fig. S1. Delivery of H+ from a 1-mm × 1-mm large control electrode, with a 20-μm hole.
  • fig. S2. Suppression of diffusive leakage of acetylcholine by reverse-biasing the control electrode.
  • fig. S3. Fit of delivery data to determine maximum dynamics (same data as Fig. 2D).
  • fig. S4. Delivery currents for various pulse length τ.
  • fig. S5. Original images showing how one delivery site in each image has been addressed.
  • fig. S6. Image of an array with biologically relevant pixel spacing (200-μm spacing between pixels).
  • fig. S7. Simulated 5-s delivery pulses using simple circuit model.
  • Reference (25)

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