MIPdatabase
Authors: Pesavento M, Cennamo N, Donà A, Pallavicini P, D'Agostino G, Zeni L
Publication date: 2014
Article title: A new approach for selective optical fiber sensors based on localized surface plasmon resonance of gold nanostars in molecularly imprinted polymer.
Page numbers: 71-75
Alternative URL: http://www.europment.org/library/2014/venice/bypaper/BICHE/BICHE-11.pdf
Publisher: Europment.org
City: Sofia
ISBN: 978-1-61804-223-1
Conference information: Recent Advances in Biomedical & Chemical Engineering and Materials Science
Abstract: An optical chemical sensor based on localized surface plasmon resonance (LSPR) in a plastic optical fiber (POF) for the selective detection and analysis of trinitrotoluene (TNT) in aqueous solution has been developed. LSPR is excited in five-branched gold nanostars (GNS), suspended in a molecularly imprinted polymer (MIP) specific for TNT, which assures the selectivity. This sensing layer has been deposited directly on the exposed POF core. The sensor shows better performance than a similar one previously proposed, in which the SPR was excited in a thin gold layer at the surface of the POF. In the GNS sensor the sensitivity was 8.5 x 10^4 nm/M, three times higher than in the gold layer sensor.
Template and target information: trinitrotoluene, TNT
Author keywords: chemical optical sensors, gold nanostars, localized surface plasmon resonance, molecularly imprinted polymer, Trinitrotoluene
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