Figure 1. Atom-Level Design and Performance of the K+ Nanosensors (IMAGE)

Institute for Basic Science

Figure 1. Atom-Level Design and Performance of the K+ Nanosensors

Caption

a, Schematic showing the design of the K+ nanosensor. K+ indicators are incorporated inside the nanopores. The thin K+-specific filter membrane on the surface of the nanopores allows only K+ to be internalized. b-c, Chemical structure of the filter membrane. d-e, Schematic illustrations showing the hydration shells on potassium (K+ in red) and sodium ions (Na+ in purple) and sodium ions in deionized water. f-g, Schematic illustrations and calculated binding energy of the interactions between the filter membrane cavity and K+/Na+.

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