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Sensors 2014, 14(7), 11878-11918; doi:10.3390/s140711878
Review

Nanoporous Anodic Alumina Platforms: Engineered Surface Chemistry and Structure for Optical Sensing Applications

,
*  and
School of Chemical Engineering, Engineering North Building, The University of Adelaide, North Terrace Campus, Adelaide SA 5005, Australia
* Author to whom correspondence should be addressed.
Received: 12 May 2014 / Revised: 23 June 2014 / Accepted: 25 June 2014 / Published: 7 July 2014
(This article belongs to the Special Issue Nanopore Sensors: Fabrications, Properties and Applications)
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Abstract

Electrochemical anodization of pure aluminum enables the growth of highly ordered nanoporous anodic alumina (NAA) structures. This has made NAA one of the most popular nanomaterials with applications including molecular separation, catalysis, photonics, optoelectronics, sensing, drug delivery, and template synthesis. Over the past decades, the ability to engineer the structure and surface chemistry of NAA and its optical properties has led to the establishment of distinctive photonic structures that can be explored for developing low-cost, portable, rapid-response and highly sensitive sensing devices in combination with surface plasmon resonance (SPR) and reflective interference spectroscopy (RIfS) techniques. This review article highlights the recent advances on fabrication, surface modification and structural engineering of NAA and its application and performance as a platform for SPR- and RIfS-based sensing and biosensing devices.
Keywords: nanoporous anodic alumina; surface modification; optical biosensor; plasmon resonance; reflective interferometry nanoporous anodic alumina; surface modification; optical biosensor; plasmon resonance; reflective interferometry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kumeria, T.; Santos, A.; Losic, D. Nanoporous Anodic Alumina Platforms: Engineered Surface Chemistry and Structure for Optical Sensing Applications. Sensors 2014, 14, 11878-11918.

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