Transport of ions through pores in membranes is a process of fundamental importance to
cell biology. In living organisms, such transport is facilitated by ion channels that utilize the …

This work is aimed to give an electrochemical insight into the ionic transport phenomena in
the cellular environment of organized brain tissue. The Nernst–Planck–Poisson (NPP) …

Nanopores functionalized with synthetic or biological polyelectrolyte (PE) brushes have
significant potentials to rectify ionic current and probe single biomacromolecules. In this …

Solid-state nanopores with a through-hole diameter of less than a few hundred nanometers
can detect single nanoparticles owing to the ionic current flowing through the nanopore …

The surface charge property of silica nanoparticles plays a key role in their function.
Previous studies assumed surface charge as a homogeneously distributed constant material …

Aptamer-modified nanomaterials provide a simple, yet powerful sensing platform when
combined with resistive pulse sensing technologies. Aptamers adopt a more stable tertiary …

Nanopore is commonly used for high‐resolution, label‐free sensing, and analysis of single
molecules. However, controlling the speed and trajectory of molecular translocation in …

Tuning of ion and nanoparticle transport is validated through applying a salt gradient in two
types of nanopores: the inner wall of a nanopore has bipolar charges and its outer wall …

Chemically functionalized nanopores in solid-state membranes have recently emerged as
versatile tools for regulating ion transport and sensing single biomolecules. This study …

A novel polyelectrolyte (PE)-modified nanopore, comprising a solid-state nanopore
functionalized by a nonregulated PE brush layer connecting two large reservoirs, is …