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Type: Journal article
Title: Fluorescence-Based Aluminum Ion Sensing using a Surface Functionalized Microstructured Optical Fiber
Author: Warren-Smith, S.
Heng, S.
Ebendorff-Heidepriem, H.
Abell, A.
Monro, T.
Citation: Langmuir: the ACS journal of surfaces and colloids, 2011; 27(9):5680-5685
Publisher: Amer Chemical Soc
Issue Date: 2011
ISSN: 0743-7463
Statement of
Stephen C. Warren-Smith, Sabrina Heng, Heike Ebendorff-Heidepriem, Andrew D. Abell, and Tanya M. Monro
Abstract: The first microstructured optical fiber-based sensor platform for aluminum ions using a surface-attached derivative of lumogallion (3), a known fluorescence-based indicator, has been fabricated. These fibers allow for strong evanescent field interactions with the surrounding media because of the small core size while also providing the potential for real-time and distributed measurements. The fluorescence response to aluminum ions was first demonstrated by applying the procedure to glass slides. This was achieved through the covalent attachment of the fluorophore to a polyelectrolyte-coated glass surface and then to the internal holes of a suspended-core microstructured optical fiber to give an effective aluminum sensor. Whereas the sensor platform reported is fabricated for aluminum, the approach is versatile, with applicability to the detection of other ions.
Rights: Copyright © 2011 American Chemical Society
DOI: 10.1021/la2002496
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