Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor

We report an optical refractive index sensor system based on a planar Bragg grating which is functionalized by substituted γ-cyclodextrin to determine low concentrations of naphthalene in solvent vapor. The sensor system exhibits a quasi-instantaneous shift of the Bragg wavelength and is therefore c...

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Detalles Bibliográficos
Autores principales: Girschikofsky, Maiko, Rosenberger, Manuel, Belle, Stefan, Brutschy, Malte, Waldvogel, Siegfried R., Hellmann, Ralf
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2012
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3304153/
https://www.ncbi.nlm.nih.gov/pubmed/22438751
http://dx.doi.org/10.3390/s120202018
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author Girschikofsky, Maiko
Rosenberger, Manuel
Belle, Stefan
Brutschy, Malte
Waldvogel, Siegfried R.
Hellmann, Ralf
author_facet Girschikofsky, Maiko
Rosenberger, Manuel
Belle, Stefan
Brutschy, Malte
Waldvogel, Siegfried R.
Hellmann, Ralf
author_sort Girschikofsky, Maiko
collection PubMed
description We report an optical refractive index sensor system based on a planar Bragg grating which is functionalized by substituted γ-cyclodextrin to determine low concentrations of naphthalene in solvent vapor. The sensor system exhibits a quasi-instantaneous shift of the Bragg wavelength and is therefore capable for online detection. The overall shift of the Bragg wavelength reveals a linear relationship to the analyte concentration with a gradient of 12.5 ± 1.5 pm/ppm. Due to the spectral resolution and repeatability of the interrogation system, this corresponds to acquisition steps of 80 ppb. Taking into account the experimentally detected signal noise a minimum detection limit of 0.48 ± 0.05 ppm is deduced.
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spelling pubmed-33041532012-03-21 Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor Girschikofsky, Maiko Rosenberger, Manuel Belle, Stefan Brutschy, Malte Waldvogel, Siegfried R. Hellmann, Ralf Sensors (Basel) Article We report an optical refractive index sensor system based on a planar Bragg grating which is functionalized by substituted γ-cyclodextrin to determine low concentrations of naphthalene in solvent vapor. The sensor system exhibits a quasi-instantaneous shift of the Bragg wavelength and is therefore capable for online detection. The overall shift of the Bragg wavelength reveals a linear relationship to the analyte concentration with a gradient of 12.5 ± 1.5 pm/ppm. Due to the spectral resolution and repeatability of the interrogation system, this corresponds to acquisition steps of 80 ppb. Taking into account the experimentally detected signal noise a minimum detection limit of 0.48 ± 0.05 ppm is deduced. Molecular Diversity Preservation International (MDPI) 2012-02-13 /pmc/articles/PMC3304153/ /pubmed/22438751 http://dx.doi.org/10.3390/s120202018 Text en © 2012 by the authors; licensee MDPI, Basel, Switzerland This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Girschikofsky, Maiko
Rosenberger, Manuel
Belle, Stefan
Brutschy, Malte
Waldvogel, Siegfried R.
Hellmann, Ralf
Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
title Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
title_full Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
title_fullStr Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
title_full_unstemmed Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
title_short Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
title_sort highly sensitive detection of naphthalene in solvent vapor using a functionalized pbg refractive index sensor
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3304153/
https://www.ncbi.nlm.nih.gov/pubmed/22438751
http://dx.doi.org/10.3390/s120202018
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