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Updated: Jun 28, 2026

Fabrication of Electrochemical-DNA Biosensors for the Reagentless Detection of Nucleic Acids, Proteins and Small Molecules

Fabrication of Electrochemical-DNA Biosensors for the Reagentless Detection of Nucleic Acids, Proteins and Small Molecules

Published on: June 1, 2011

DNA-mediated electrochemistry.

Alon A Gorodetsky¹, Marisa C Buzzeo, Jacqueline K Barton

¹Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA.

Bioconjugate Chemistry

|November 5, 2008

Summary

This summary is machine-generated.

DNA charge transport through base pairs enables sensitive detection of DNA damage and modifications. This research highlights electrochemical assays using DNA monolayers for reliable analysis.

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Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen

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Published on: June 3, 2018

Area of Science:

Biophysical Chemistry
Molecular Biology
Electrochemistry

Background:

The DNA base pair stack facilitates long-range charge transport in various environments.
This charge transport is highly sensitive to structural changes like DNA lesions, mismatches, and protein interactions.

Purpose of the Study:

To explore the utility of DNA charge transport for developing sensitive electrochemical detection methods.
To discuss the features, applications, and benefits of DNA-mediated electrochemistry.

Main Methods:

Utilizing self-assembled DNA monolayers on electrode surfaces.
Exploiting the sensitivity of DNA charge transport to structural perturbations for assay development.

Main Results:

Demonstrated DNA charge transport as a viable medium for electrochemical sensing.
Developed reliable electrochemical assays based on DNA charge transport.

Conclusions:

DNA-mediated electrochemistry offers a sensitive and reliable platform for detecting DNA structural changes.
This approach has significant potential for various applications in molecular diagnostics and research.