The distinct electrical signal while using different ions as carriers and the HPF circuit. (IMAGE)

Science China Press

The distinct electrical signal while using different ions as carriers and the HPF circuit.

Caption

(a) The comparison between biological NaK channel and artificial channel (PCTE-Au), both of which exhibit different electrical outputs depending on the ionic species transported through the same nanochannel structure. (b–c) Realization of PPF and corresponding PPF index when KCl is used as the electrolyte. (d–e) Realization of PPD and corresponding PPD index when LaCl₃ is used as the electrolyte. (f) A HPF circuit realized through two identical nanofluidic devices with distinct hysteresis (EDL effect, ion pairing effect and adsorption effect) in the serial configuration.

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