Nanoelectrochemistry for Single Particle Detection

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Physics General".

Deadline for manuscript submissions: closed (10 February 2022) | Viewed by 2338

Special Issue Editor


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Guest Editor
Université de Nantes, CNRS, CEISAM, UMR 6230, F-44000 Nantes, France
Interests: electrochemistry of nano-impacts; lipid membranes; redox liposomes and proteins; electroactive bacteria; electrode surface modification

Special Issue Information

Dear Colleagues,

Single-entity electrochemistry has attracted a lot of interest in the last decade because of the high sensibility and fast response inherent to this nanoelectrochemical technique. The ability to detect and analyze different types of single nanoparticles such as biological nano-objects and molecules in an easy-to-handle way make nanoelectrochemistry an ideal tool for fundamental and applied science in various research fields. In order to reach the highest possible precision in electrochemical analysis of single particles, many efforts have been devoted to improving measuring devices and materials related to microelectrode fabrication and development of highly sensitive scanning electrochemical microscopy instruments.

This Special Issue of Applied Sciences, “Nanoelectrochemistry for Single Particle Detection”, aims to cover recent advances, original works, and new trends in single-particle electrochemistry. The topics are not limited strictly to nanoelectrochemistry but are assumed to address related fields such as the development of new materials and nanotechnologies for improving single-entity electroanalytical measurements. The authors are invited to submit their contribution covering experimental and/or theoretical aspects relevant to this Special Issue as research articles, reviews, communications, and concept papers before the end of June 2021.

I look forward to reading your scientific contributions soon.

Dr. Estelle Lebègue
Guest Editor

Manuscript Submission Information

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Keywords

  • nanoparticles
  • microelectrodes
  • nano-objects
  • single electrochemical detection
  • chronoamperometry
  • low current
  • electroactive species
  • charge transfer
  • biological and biochemical entities
  • scanning electrochemical microscopy

Published Papers (1 paper)

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Research

14 pages, 5038 KiB  
Article
Nanoelectrode Ensembles Consisting of Carbon Nanotubes
by Gabrielle R. Dangel, Hope Kumakli, Connor E. Rahm, Ryan White and Noe T. Alvarez
Appl. Sci. 2021, 11(18), 8399; https://doi.org/10.3390/app11188399 - 10 Sep 2021
Cited by 5 | Viewed by 1931
Abstract
Incorporating the nanoscale properties of carbon nanotubes (CNTs) and their assemblies into macroscopic materials is at the forefront of scientific innovation. The electrical conductivity, chemical inertness, and large aspect ratios of these cylindrical structures make them ideal electrode materials for electrochemical studies. The [...] Read more.
Incorporating the nanoscale properties of carbon nanotubes (CNTs) and their assemblies into macroscopic materials is at the forefront of scientific innovation. The electrical conductivity, chemical inertness, and large aspect ratios of these cylindrical structures make them ideal electrode materials for electrochemical studies. The ability to assemble CNTs into nano-, micro-, and macroscale materials broadens their field of applications. Here, we report the fabrication of random arrays of CNT cross-sections and their performance as nanoelectrode ensembles (NEEs). Single ribbons of drawable CNTs were employed to create the CNT-NEEs that allows easier fabrication of nanoscale electrodes for general electrochemical applications. Surface analysis of the prepared NEEs using scanning electron microscopy showed a random distribution of CNTs within the encapsulating polymer. Electrochemical testing via cyclic voltammetry and scanning electrochemical cell microscopy revealed voltametric differences from the typical macroelectrode response with the steady-state nature of NEEs. Finally, when the NEE was employed for Pb2+ detection using square-wave anodic stripping voltammetry, a limit of detection of 0.57 ppb with a linear range of 10–35 ppb was achieved. Full article
(This article belongs to the Special Issue Nanoelectrochemistry for Single Particle Detection)
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