Recent advances in nanoelectrochemistry at the interface between two immiscible electrolyte solutions

Conrad Benjamin Milton, Kerui Xu, Mei Shen

Research output: Contribution to journalReview articlepeer-review

Abstract

The nanoscale interface between two immiscible electrolyte solutions (nanoITIES) is an emerging versatile analytical platform. Analytical advantages of chemical analysis using the nanoITIES include imaging with nanometer spatial resolution, probing fast dynamics with millisecond temporal resolution and fast response times, selectively detecting analytes, probing fundamental chemical processes (e.g., diffusion profiles), and versatile sensing of metal ions, proteins, neurotransmitters, ionic and neutral species, redox-active and non-redox active analytes, etc. We present here a brief theoretical background of the nanoITIES and experimental advances from the past five years. These advances include imaging of nanopores, probing diffusion profiles, biosensing, a new pH modulation mechanism for sensing neutral species, and studying exocytosis from Aplysia californica neurons.

Original languageEnglish (US)
Article number101005
JournalCurrent Opinion in Electrochemistry
Volume34
DOIs
StatePublished - Aug 2022

Keywords

  • Biosensing
  • Exocytosis
  • Interface between two immiscible electrolyte solutions
  • NanoITIES
  • Nanoimaging
  • Nanopore arrays
  • Neurotransmitter sensing

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry

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