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A Polyaniline-based Sensor of Nucleic Acids
Published on: November 1, 2016
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Intrinsically conducting polymer nanowires for biosensing
J Travas-Sejdic1, N Aydemir, B Kannan
1School of Chemical Sciences, University of Auckland, Auckland 1142, New Zealand.
Journal of Materials Chemistry. B
|April 9, 2020
Summary
Electrically conductive polymer nanowire (ECPNW) sensors offer enhanced sensitivity for detecting biological targets. This review covers their fabrication and application in sensing nucleic acids, proteins, and pathogens.
Area of Science:
- Materials Science
- Analytical Chemistry
- Biotechnology
Background:
- Nanomaterials enhance sensor sensitivity.
- Conductive polymers are versatile sensing materials due to easy functionalization and signal transduction capabilities.
- One-dimensional nanowire structures of conductive polymers lead to superior sensitivity.
Purpose of the Study:
- To review the fabrication methods for electrically conductive polymer nanowire (ECPNW) sensors.
- To explore the applications of ECPNW sensors in detecting various biomolecules and pathogens.
- To highlight the advantages of using ECPNWs for high-sensitivity sensing.
Main Methods:
- Fabrication of one-dimensional conductive polymer nanowires.
- Functionalization of nanowires with specific sensing probes.
- Integration of ECPNWs into sensor devices for signal transduction.
- Testing sensor performance for target analytes like nucleic acids, proteins, and pathogens.
Main Results:
- ECPNWs exhibit extraordinary sensitivity in sensor applications.
- Successful detection of nucleic acid sequences, proteins, and pathogens demonstrated.
- The review consolidates various fabrication techniques for ECPNWs.
- ECPNWs prove effective as signal transducers in biosensing.
Conclusions:
- Electrically conductive polymer nanowire sensors represent a significant advancement in high-sensitivity detection.
- Their fabrication and functionalization are key to their performance.
- ECPNWs show broad applicability in detecting a range of biological targets, including nucleic acids, proteins, and pathogens.
- Further development in ECPNWs promises improved biosensing technologies.

