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Correction: Musa et al. An Electrochemical Screen-Printed Sensor Based on Gold-Nanoparticle-Decorated Reduced Graphene Oxide-Carbon Nanotubes Composites for the Determination of 17-β Estradiol. <i>Biosensors</i> 2023, <i>13</i>, 491.

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Carbon Nanotube (CNT)-Based Biosensors.

David C Ferrier1, Kevin C Honeychurch1,2

  • 1Institute of Bio-Sensing Technology, Frenchay Campus, University of the West of England, Bristol BS16 1QY, UK.

Biosensors
|December 23, 2021
PubMed
Summary

Recent advances in carbon nanotube (CNT) sensors show promise for applications in food safety, heavy metal detection, and virus identification. However, challenges in device integration and industrial-scale fabrication hinder widespread market adoption of these CNT-based sensing technologies.

Keywords:
CNT-based biosensorsanalytical nanodevicesbioanalytical applicationselectrochemical biosensingsurface functionalization

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Analytical Chemistry

Background:

  • Carbon nanotubes (CNTs) offer unique electrical and optical properties suitable for advanced sensor development.
  • Existing research highlights the potential of CNTs in various sensing modalities.

Purpose of the Study:

  • To review recent advancements in the application of CNTs for sensor and biosensor development.
  • To discuss the integration of CNT-based sensing elements into analytical devices.

Main Methods:

  • Literature review of recent studies on carbon nanotube sensors and biosensors.
  • Analysis of different sensor configurations and their applications.

Main Results:

  • CNTs have been utilized in electrochemical, optical, and field-effect sensors for detecting food contaminants, heavy metals, and viruses.
  • A limited number of CNT-based sensors have successfully transitioned to the commercial market.

Conclusions:

  • Significant progress has been made in developing CNT-based sensors for diverse applications.
  • Key challenges remain in the industrial-scale fabrication and integration of CNT sensing elements into practical analytical devices.