Current research on single-entity electrochemistry for soft nanoparticle detection: Introduction to detection methods and applications

Thu Ha T. Nguyen, Jungeun Lee, Hae Young Kim, Ki Min Nam, Byung Kwon Kim

Research output: Contribution to journalReview articlepeer-review

18 Scopus citations

Abstract

In recent years, rapid progress in the field of single-entity electrochemistry (SEE) has opened a novel exploratory area in the field of analytical and electrochemistry. SEE is a method of studying the behavior of particles at the single particle level, which yields important information on the diffusion coefficient, individual particle size, size distribution, catalytic activity, collision frequency, and internal substances of the particles. Various types of particles have been studied through SEE. Among them, this review focuses on the results of analyzing soft particles (cells, proteins, viruses, liposomes, enzymes, vesicles, emulsion droplets, micelles, carbonaceous nanomaterials, and others). We introduce the various electrochemical techniques used in SEE and discuss important concepts and equations that must be known to apply SEE. We also introduce the results of recent research on several important soft particles. Finally, the potential applications in areas such as sensors, materials, catalysts, energy, and biomedicine, as well as the trends of related works are described. In the future, research on soft particle analysis using SEE is expected to increase rapidly, and this review is expected to be a valuable reference for researchers in the field.

Original languageEnglish
Article number111999
JournalBiosensors and Bioelectronics
Volume151
DOIs
StatePublished - 1 Mar 2020

Keywords

  • Bio-entities
  • Nano-impact detection
  • Single nanoparticle electrochemistry
  • Single-entity electrochemistry
  • Soft nanoparticles
  • Stochastic electrochemical collision detection

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