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Updated: May 11, 2026

A Polyaniline-based Sensor of Nucleic Acids

A Polyaniline-based Sensor of Nucleic Acids

Published on: November 1, 2016

Nanostructured polyaniline sensors.

Jiaxing Huang¹, Shabnam Virji, Bruce H Weiller

¹Department of Chemistry & Biochemistry and California NanoSystems Institute, University of California, Los Angeles, Los Angeles, CA 90095-1569, USA.

Chemistry (Weinheim an Der Bergstrasse, Germany)

|March 23, 2004

Summary

This summary is machine-generated.

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Uniform polyaniline nanofibers offer superior sensor performance due to their high surface area. This template-free synthesis method is scalable and produces highly sensitive nanofiber-based chemical sensors.

Area of Science:

Materials Science
Polymer Chemistry
Sensor Technology

Background:

Polyaniline (PANI) is a conductive polymer with potential for chemical vapor sensing.
Nanostructured materials, like nanofibers, can enhance sensor performance due to increased surface area.

Purpose of the Study:

To develop a scalable, template-free synthesis for uniform polyaniline nanofibers.
To evaluate the performance of polyaniline nanofiber-based sensors for chemical vapor detection.

Main Methods:

Template-free interfacial polymerization to synthesize polyaniline nanofibers.
Fabrication of resistive-type sensors using undoped and doped polyaniline nanofibers.
Testing sensor response to acid and base vapors.

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Last Updated: May 11, 2026

A Polyaniline-based Sensor of Nucleic Acids

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Published on: November 1, 2016

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Published on: January 7, 2019

Main Results:

Uniform polyaniline nanofibers with diameters <100 nm were successfully synthesized.
Gram quantities of polyaniline nanofibers were produced via scalable interfacial polymerization.
Polyaniline nanofiber sensors demonstrated enhanced sensitivity to acid and base vapors compared to conventional polyaniline.
Sensor sensitivity showed minimal dependence on nanofiber thickness.

Conclusions:

Template-free synthesis provides a scalable route to high-performance polyaniline nanofibers for sensors.
Polyaniline nanofibers offer significant advantages in chemical vapor sensing applications.
The developed nanofiber sensors exhibit robust and sensitive detection capabilities.