Issue 58, 2014
From the journal:

Chemical Communications

A robust DNA interface on a silicon electrode†

Pauline Michaels,a   Muhammad Tanzirul Alam,a   Simone Ciampi,a   William Rouesnel,a   Stephen G. Parker,ab   Moinul H. Choudhurya  and  J. Justin Gooding*abc  

* Corresponding authors

a School of Chemistry, The University of New South Wales, Sydney, NSW 2052, Australia
E-mail: justin.gooding@unsw.edu.au
Fax: +61 2 9385 6141
Tel: +61 2 9385 5384

b Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW 2052, Australia

c ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales, Sydney, NSW 2052, Australia

Abstract

Two different interfaces prepared via UV-hydrosilylation of undecylenic acid and 1,8-nonadiyne on silicon(111) have been explored to develop a robust electrochemical DNA sensor. Electrodes modified with undecylenic acid were found to stably immobilise DNA but could not resist the growth of insulating oxides, whereas 1,8-nonadiyne modified electrodes satisfy both requirements.

Graphical abstract: A robust DNA interface on a silicon electrode

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Article information

DOI
https://doi.org/10.1039/C4CC03418J
Article type
Communication
Submitted
07 May 2014
Accepted
28 May 2014
First published
29 May 2014
This article is Open Access
Creative Commons BY license

Chem. Commun., 2014,50, 7878-7880

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A robust DNA interface on a silicon electrode

P. Michaels, M. T. Alam, S. Ciampi, W. Rouesnel, S. G. Parker, M. H. Choudhury and J. J. Gooding, Chem. Commun., 2014, 50, 7878 DOI: 10.1039/C4CC03418J

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