= Nanopore
A <nanopore> is a channel or aperture with a nanometre-scale constriction. A solid-state realization can connect conducting liquid reservoirs, permitting ionic current to report particle passage through <resistive-pulse sensing>. A geometrical pore diameter alone does not determine its conductance: axial shape, reservoir access, surface charge, solution conductivity and interfacial effects can all matter. This definition concerns a physical aperture, without a biological application.
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