4.7 Article

A robust DNA interface on a silicon electrode

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 58, Pages 7878-7880

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc03418j

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Funding

  1. Australian Research Council [DP1094564]
  2. Australian Research Council Centre of Excellence in Convergent Bio-Nano Science and Technology [CE140100036]
  3. University of New South Wales

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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.

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