Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 44, Issue -, Pages 25-38Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2012.11.007
Keywords
Anodic aluminum oxide (AAO); Biosensor; Chemical sensor; Detection; Device performance; Electrochemical sensor; Nanopore; Nanoporous alumina; Optical biosensor; Self-ordering anodization
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Funding
- Australian Research Council [FT 110100711]
- University of Adelaide
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Nanoporous anodic aluminum oxide (AAO) has become one of the most popular materials with potential applications in numerous areas, including molecular separation, catalysis, energy generation and storage, electronics, photonics, sensing, drug delivery, and template synthesis. The fabrication of AAO is based on simple, cost-effective, self-ordering anodization of aluminum, which yields vertically-aligned, highly-ordered nanoporous structures. Due to its unique optical and electrochemical properties, nanoporous AAO has been extensively explored as a platform for developing inexpensive, portable sensing and biosensing devices. This article reviews AAO-based sensing and biosensing technologies, highlighting key examples of different detection concepts and device performance. We conclude with a perspective on the exciting opportunities for further developments in this research field. Crown Copyright (c) 2012 Published by Elsevier Ltd. All rights reserved.
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