Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Examples of I-V curves for the nanopores shown in Fig. 1 before crown ether attachment.
  • Fig. S2. Selectivity of nanopores shown in Fig. 1 toward potassium ions at −1 V.
  • Fig. S3. Ion selectivity at 1 V of a nanopore modified with crown ether from one side only.
  • Fig. S4. Ion current through a 1-nm-diameter nanopore modified with DNA from one side.
  • Fig. S5. Ion currents through a nanopore shown in Fig. 1C as a function of KCl and NaCl concentrations.
  • Fig. S6. Scheme of a modeling system used to predict local ionic concentrations and electric potential in a nanopore.
  • Fig. S7. Results of numerical modeling of ionic concentrations and electric potential in a nanopore shown in fig. S6.
  • Fig. S8. I-V curves for the nanopore shown in Fig. 4.
  • Table S1. Pore opening diameters calculated according to Eq. 1 for all nanopores considered in the manuscript.

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