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dc.contributor.author
Regiart, Daniel Matias Gaston
dc.contributor.author
Magallanes, Jorge L.
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Barrera Diaz, Deicy Amparo
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Villarroel Rocha, Jhonny
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Sapag, Manuel Karim
dc.contributor.author
Raba, Julio
dc.contributor.author
Bertolino, Franco Adrián
dc.date.available
2018-09-21T18:30:07Z
dc.date.issued
2016-09
dc.identifier.citation
Regiart, Daniel Matias Gaston; Magallanes, Jorge L.; Barrera Diaz, Deicy Amparo; Villarroel Rocha, Jhonny; Sapag, Manuel Karim; et al.; An ordered mesoporous carbon modified electrochemical sensor for solid-phase microextraction and determination of triclosan in environmental samples; Elsevier Science Sa; Sensors and Actuators B: Chemical; 232; 9-2016; 765-772
dc.identifier.issn
0925-4005
dc.identifier.uri
http://hdl.handle.net/11336/60592
dc.description.abstract
A simple and sensitive electrochemical sensor was performed with an ordered mesoporous carbon modified screen-printed carbon electrode (SPCE) to detect triclosan (TCS) in river water samples. A nanostructured mesoporous carbon CMK-3 type was successfully obtained from ordered mesoporous silica SBA-15 type used as hard-templated and sucrose as carbon precursor. Due to its high specific surface area (1125 m2 g-1), large pore volume (1.16 cm3 g-1), uniform mesostructure (4.4 nm), good conductivity and excellent electrochemical activity, this porous carbon material provides selectivity and sensitivity for the electrochemical determination. CMK-3 was immobilized onto a SPCE using chitosan (CH) as a binder. CMK-3/CH/SPCE was characterized by cyclic voltammetry, transmission electron microscopy, scanning electron microscopy, X-ray diffraction, energy dispersive spectrometry and N2 adsorption-desorption isotherms. CMK-3/CH was used for solid-phase microextraction, since it has an excellent extraction selectivity towards organic aromatic compounds. The electrochemical behavior of TCS showed an irreversible oxidation peak measured by square wave voltammetry. The detection limit of this electrochemical sensor was 0.24 ng mL-1 with a wide linear range from 0.8 ng mL-1 to 40 ng mL-1, the intra- and inter-assay coefficients of variation were below 4%. This electrochemical platform offered a useful tool for on-site TCS determination in environmental samples.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science Sa
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Electrochemical Sensor
dc.subject
Environmental Monitoring
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Ordered Mesoporous Carbon
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Solid-Phase Microextraction
dc.subject
Triclosan
dc.subject.classification
Nano-materiales
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Nanotecnología
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
An ordered mesoporous carbon modified electrochemical sensor for solid-phase microextraction and determination of triclosan in environmental samples
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-20T13:22:19Z
dc.journal.volume
232
dc.journal.pagination
765-772
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Regiart, Daniel Matias Gaston. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Magallanes, Jorge L.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Barrera Diaz, Deicy Amparo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada ; Argentina
dc.description.fil
Fil: Villarroel Rocha, Jhonny. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada ; Argentina
dc.description.fil
Fil: Sapag, Manuel Karim. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada ; Argentina
dc.description.fil
Fil: Raba, Julio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Bertolino, Franco Adrián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Química de San Luis. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Instituto de Química de San Luis; Argentina
dc.journal.title
Sensors and Actuators B: Chemical
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.snb.2016.04.031
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0925400516305007
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