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Sensors 2017, 17(12), 2826; doi:10.3390/s17122826

Luminescence-Based Optical Sensors Fabricated by Means of the Layer-by-Layer Nano-Assembly Technique

1
Department of Electric and Electronic Engineering, Public University of Navarra, E-31006 Pamplona, Spain
2
Institute of Smart Cities (ISC), Public University of Navarra, E-31006 Pamplona, Spain
*
Author to whom correspondence should be addressed.
Received: 15 November 2017 / Revised: 1 December 2017 / Accepted: 4 December 2017 / Published: 6 December 2017
(This article belongs to the Special Issue Fluorescent Probes and Sensors)
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Abstract

Luminescence-based sensing applications range from agriculture to biology, including medicine and environmental care, which indicates the importance of this technique as a detection tool. Luminescent optical sensors are required to be highly stable, sensitive, and selective, three crucial features that can be achieved by fabricating them by means of the layer-by-layer nano-assembly technique. This method permits us to tailor the sensors′ properties at the nanometer scale, avoiding luminophore aggregation and, hence, self-quenching, promoting the diffusion of the target analytes, and building a barrier against the undesired molecules. These characteristics give rise to the fabrication of custom-made sensors for each particular application. View Full-Text
Keywords: photoluminescence; layer-by-layer nano-assembly technique; nanostructured materials; chemical sensing photoluminescence; layer-by-layer nano-assembly technique; nanostructured materials; chemical sensing
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De Acha, N.; Elosua, C.; Matias, I.; Arregui, F.J. Luminescence-Based Optical Sensors Fabricated by Means of the Layer-by-Layer Nano-Assembly Technique. Sensors 2017, 17, 2826.

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