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Conducting polymer nanowires-based label-free biosensors

Paper ID Volume ID Publish Year Pages File Format Full-Text
15723 42471 2011 7 PDF Available
Title
Conducting polymer nanowires-based label-free biosensors
Abstract

Label-free sensing technologies have recently attracted a great deal of interest for sensitive, rapid and facile analysis for applications in health care, environmental monitoring, food safety and homeland security. One-dimensional (1-D) nanostructures such as nanowires, configured as field-effect transistors (FETs)/chemiresistors that change conductance upon binding of charged macromolecules to receptors linked to the device surfaces are extremely attractive for label-free biosensors. Herein, we review recent advances in label-free biosensors based on conducting polymer nanowires based FET/chemiresistor. Specifically, we address the fabrication, functionalization, assembly/alignment and sensing applications of FET/chemiresistor based on these nanomaterials. The advantages and disadvantages of various fabrication, functionalization, and assembling procedures of these nanosensors are reviewed and discussed.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (265 K)Download as PowerPoint slideHighlights► Conducting polymer nanowire as chemiresistor/field-effect transistor conduction channel. ► Bioreceptor-functionalized nanowire for label-free affinity sensing. ► Applications in detection ranging from small to macromolecules to particles summarized.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 22, Issue 4, August 2011, Pages 502–508
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us