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Issue 25, 2011
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Biosensors based on one-dimensional nanostructures

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Abstract

Over the past decade, one-dimensional nanostructures (1D-NS) have been studied for the detection of biological molecules. These nanometre-scale materials, with diameters comparable to the size of individual biomolecules, offer the advantage of high sensitivity. In this feature article we discuss different techniques of biosensing using 1D-NS, namely electrical, electrochemical, optical, and mechanical methods, with a focus on the advancement of these techniques. Advantages and disadvantages of various synthesis and functionalization methods of 1D-NS, as well as biosensor device fabrication procedures are discussed. The main focus of this review is to demonstrate the progress of protein and DNA sensors based on 1D-NS over the past decade, and in addition we present an outlook for the future of this technology.

Graphical abstract: Biosensors based on one-dimensional nanostructures

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Article information


Submitted
02 Feb 2011
Accepted
14 Mar 2011
First published
11 Apr 2011

J. Mater. Chem., 2011,21, 8940-8954
Article type
Feature Article

Biosensors based on one-dimensional nanostructures

I. M. Feigel, H. Vedala and A. Star, J. Mater. Chem., 2011, 21, 8940
DOI: 10.1039/C1JM10521C

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