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Analytical Methods· 2013Q2· Review

Electrochemical impedance spectroscopy: an overview of bioanalytical applications

Edward P. Randviir, Craig E. Banks

Short summary

Electrochemical impedance spectroscopy (EIS) is increasingly used to analyze biosensors, graphene-based materials, and screen-printed electrodes due to its ability to reveal key physical and electronic properties of electrochemical systems.

AI-generated from the title and abstract; the full text is not read.

Key points

  • EIS can determine diffusion coefficients, electron transfer rates, adsorption mechanisms, charge transfer resistances, and pore sizes.
  • The technique is finding increased application in biosensing.
  • Specific applications discussed include the use of EIS with graphene-based materials and screen-printed electrodes.

AI-generated from the title and abstract; the full text is not read.

Abstract

The application of electrochemical impedance spectroscopy (EIS) has increased dramatically in the past few years due to its ability to elucidate a plethora of physical and electronic properties of electrochemical systems such as diffusion coefficients, electron transfer rate constants, adsorption mechanisms, charge transfer resistances, capacitances and pore sizes. This review provides a short introduction to the fundamental principles of EIS before exploring the many exciting and pertinent analytical applications regarding the numerous methods in biosensing, the application of EIS with graphene based materials and last, the use of EIS with screen printed electrodes.

The authors' abstract, as published at the source. Analytical Methods, 2013 · DOI ↗

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Field: Electrochemistry

ElectrochemistryChemistry