Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.snb.2019.02.059 http://hdl.handle.net/11449/190121 |
Resumo: | In this work, the first electrochemical sensor for determination of hexahydrofarnesol in aviation biokerosene was developed by electropolymerization of a molecularly imprinted ortho-phenylenediamine film on a glassy carbon electrode. The modified electrode was characterized by cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, RAMAN spectroscopy and atomic force microscopy. Parameters that influence the performance of the imprinted sensor, such as the molar ratio between functional monomer and template molecule, number of cycles and pH used in the electropolymerization, extraction time of the template molecule, and time of rebinding of the hexahydrofarnesol molecules in the imprinted cavities were optimized. The developed sensor presented the following linear ranges: 4.0 × 10−8 to 1.5 × 10-7 mol L-1 and 1.5 × 10-7 to 1.5 × 10-6 mol L-1. The apparent dissociation constant (KD) for the first linear range of this device calculated by the isothermal Langmuir adsorption model was 4.8 × 10-7 mol L-1. The limit of detection, limit of quantification and sensitivity were 1.2 × 10−8 mol L-1, 4.1 × 10−8 mol L-1 and 67 A L mol-1 (n = 3) respectively. The sensor showed considerable inter-day and intra-day repeatability, with RSD values ≤ 4.8%, and had 96% of its initial current preserved after being stored for 10 days in contact with air at room temperature. The developed method was successfully applied toward the determination of hexahydrofarnesol in aviation biokerosene. Mean recoveries ranged from 97.6% to 105.8%, with RSDs within the interval of 1.7% to 3.9%. These results indicate that the method developed has a good accuracy for the determination of hexahydrofarnesol. |
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Repositório Institucional da UNESP |
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Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokeroseneAviation biokeroseneElectrochemical sensorHexahydrofarnesolMolecularly imprinted polymero-PhenylenediamineIn this work, the first electrochemical sensor for determination of hexahydrofarnesol in aviation biokerosene was developed by electropolymerization of a molecularly imprinted ortho-phenylenediamine film on a glassy carbon electrode. The modified electrode was characterized by cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, RAMAN spectroscopy and atomic force microscopy. Parameters that influence the performance of the imprinted sensor, such as the molar ratio between functional monomer and template molecule, number of cycles and pH used in the electropolymerization, extraction time of the template molecule, and time of rebinding of the hexahydrofarnesol molecules in the imprinted cavities were optimized. The developed sensor presented the following linear ranges: 4.0 × 10−8 to 1.5 × 10-7 mol L-1 and 1.5 × 10-7 to 1.5 × 10-6 mol L-1. The apparent dissociation constant (KD) for the first linear range of this device calculated by the isothermal Langmuir adsorption model was 4.8 × 10-7 mol L-1. The limit of detection, limit of quantification and sensitivity were 1.2 × 10−8 mol L-1, 4.1 × 10−8 mol L-1 and 67 A L mol-1 (n = 3) respectively. The sensor showed considerable inter-day and intra-day repeatability, with RSD values ≤ 4.8%, and had 96% of its initial current preserved after being stored for 10 days in contact with air at room temperature. The developed method was successfully applied toward the determination of hexahydrofarnesol in aviation biokerosene. Mean recoveries ranged from 97.6% to 105.8%, with RSDs within the interval of 1.7% to 3.9%. These results indicate that the method developed has a good accuracy for the determination of hexahydrofarnesol.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Institute of Chemistry São Paulo State University (UNESP)Bioenergy Research Institute São Paulo State University (UNESP)School of Industrial and Metallurgical Engineering Fluminense Federal University (UFF)Institute of Chemistry São Paulo State University (UNESP)Bioenergy Research Institute São Paulo State University (UNESP)Universidade Estadual Paulista (Unesp)Fluminense Federal University (UFF)Buffon, Edervaldo [UNESP]Stradiotto, Nelson Ramos [UNESP]2019-10-06T17:02:57Z2019-10-06T17:02:57Z2019-05-15info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article371-379http://dx.doi.org/10.1016/j.snb.2019.02.059Sensors and Actuators, B: Chemical, v. 287, p. 371-379.0925-4005http://hdl.handle.net/11449/19012110.1016/j.snb.2019.02.0592-s2.0-850616373640072173018005712Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengSensors and Actuators, B: Chemicalinfo:eu-repo/semantics/openAccess2021-10-22T22:23:35Zoai:repositorio.unesp.br:11449/190121Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:44:38.949802Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
title |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
spellingShingle |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene Buffon, Edervaldo [UNESP] Aviation biokerosene Electrochemical sensor Hexahydrofarnesol Molecularly imprinted polymer o-Phenylenediamine |
title_short |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
title_full |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
title_fullStr |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
title_full_unstemmed |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
title_sort |
Electrochemical sensor based on molecularly imprinted poly(ortho-phenylenediamine) for determination of hexahydrofarnesol in aviation biokerosene |
author |
Buffon, Edervaldo [UNESP] |
author_facet |
Buffon, Edervaldo [UNESP] Stradiotto, Nelson Ramos [UNESP] |
author_role |
author |
author2 |
Stradiotto, Nelson Ramos [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Fluminense Federal University (UFF) |
dc.contributor.author.fl_str_mv |
Buffon, Edervaldo [UNESP] Stradiotto, Nelson Ramos [UNESP] |
dc.subject.por.fl_str_mv |
Aviation biokerosene Electrochemical sensor Hexahydrofarnesol Molecularly imprinted polymer o-Phenylenediamine |
topic |
Aviation biokerosene Electrochemical sensor Hexahydrofarnesol Molecularly imprinted polymer o-Phenylenediamine |
description |
In this work, the first electrochemical sensor for determination of hexahydrofarnesol in aviation biokerosene was developed by electropolymerization of a molecularly imprinted ortho-phenylenediamine film on a glassy carbon electrode. The modified electrode was characterized by cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy, RAMAN spectroscopy and atomic force microscopy. Parameters that influence the performance of the imprinted sensor, such as the molar ratio between functional monomer and template molecule, number of cycles and pH used in the electropolymerization, extraction time of the template molecule, and time of rebinding of the hexahydrofarnesol molecules in the imprinted cavities were optimized. The developed sensor presented the following linear ranges: 4.0 × 10−8 to 1.5 × 10-7 mol L-1 and 1.5 × 10-7 to 1.5 × 10-6 mol L-1. The apparent dissociation constant (KD) for the first linear range of this device calculated by the isothermal Langmuir adsorption model was 4.8 × 10-7 mol L-1. The limit of detection, limit of quantification and sensitivity were 1.2 × 10−8 mol L-1, 4.1 × 10−8 mol L-1 and 67 A L mol-1 (n = 3) respectively. The sensor showed considerable inter-day and intra-day repeatability, with RSD values ≤ 4.8%, and had 96% of its initial current preserved after being stored for 10 days in contact with air at room temperature. The developed method was successfully applied toward the determination of hexahydrofarnesol in aviation biokerosene. Mean recoveries ranged from 97.6% to 105.8%, with RSDs within the interval of 1.7% to 3.9%. These results indicate that the method developed has a good accuracy for the determination of hexahydrofarnesol. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T17:02:57Z 2019-10-06T17:02:57Z 2019-05-15 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.snb.2019.02.059 Sensors and Actuators, B: Chemical, v. 287, p. 371-379. 0925-4005 http://hdl.handle.net/11449/190121 10.1016/j.snb.2019.02.059 2-s2.0-85061637364 0072173018005712 |
url |
http://dx.doi.org/10.1016/j.snb.2019.02.059 http://hdl.handle.net/11449/190121 |
identifier_str_mv |
Sensors and Actuators, B: Chemical, v. 287, p. 371-379. 0925-4005 10.1016/j.snb.2019.02.059 2-s2.0-85061637364 0072173018005712 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Sensors and Actuators, B: Chemical |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
371-379 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808129112519213056 |