Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine
- Autores
- Dalmasso, Pablo Roberto; Pedano, Maria Laura; Rivas, Gustavo Adolfo
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We report the sensitive and selective quantification of Cu(II) at glassy carbon electrodes (GCE) modified with multiwall carbon nanotubes (MWCNT) dispersed in polyhistidine (Polyhis), (GCE/MWCNT[BOND]Polyhis) based on the complexation of Cu(II) by the histidine residues and further reduction by Differential Pulse Voltammetry in acetate buffer solution. The sensitivity was (3.6±0.3)×106 µA M−1, the reproducibility 6.6 %, and the detection limit 75 nM (4.8 µg L−1). The quantification of Cu(II) was highly selective even in the presence of excess of Cd(II), Zn(II), Co(II), Fe(II), Fe(III), Al(III), Pb(II), Cr(III), Mn(II), and Ag(I). The proposed sensor was successfully used for quantifying Cu(II) in tap-water and groundwater samples without any pretreatment.
Fil: Dalmasso, Pablo Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina. Universidad Nacional de Santiago del Estero; Argentina
Fil: Pedano, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina
Fil: Rivas, Gustavo Adolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina - Materia
-
Copper quantification
Carbon nanotubes dispersion
Polyhistidine
Glassy carbon electrode
Differential pulse voltammetry - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/111909
Ver los metadatos del registro completo
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oai:ri.conicet.gov.ar:11336/111909 |
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network_name_str |
CONICET Digital (CONICET) |
spelling |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in PolyhistidineDalmasso, Pablo RobertoPedano, Maria LauraRivas, Gustavo AdolfoCopper quantificationCarbon nanotubes dispersionPolyhistidineGlassy carbon electrodeDifferential pulse voltammetryhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1We report the sensitive and selective quantification of Cu(II) at glassy carbon electrodes (GCE) modified with multiwall carbon nanotubes (MWCNT) dispersed in polyhistidine (Polyhis), (GCE/MWCNT[BOND]Polyhis) based on the complexation of Cu(II) by the histidine residues and further reduction by Differential Pulse Voltammetry in acetate buffer solution. The sensitivity was (3.6±0.3)×106 µA M−1, the reproducibility 6.6 %, and the detection limit 75 nM (4.8 µg L−1). The quantification of Cu(II) was highly selective even in the presence of excess of Cd(II), Zn(II), Co(II), Fe(II), Fe(III), Al(III), Pb(II), Cr(III), Mn(II), and Ag(I). The proposed sensor was successfully used for quantifying Cu(II) in tap-water and groundwater samples without any pretreatment.Fil: Dalmasso, Pablo Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina. Universidad Nacional de Santiago del Estero; ArgentinaFil: Pedano, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; ArgentinaFil: Rivas, Gustavo Adolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; ArgentinaWiley VCH Verlag2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/111909Dalmasso, Pablo Roberto; Pedano, Maria Laura; Rivas, Gustavo Adolfo; Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine; Wiley VCH Verlag; Electroanalysis; 27; 9; 9-2015; 2164-21701040-0397CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1002/elan.201500116info:eu-repo/semantics/altIdentifier/doi/10.1002/elan.201500116info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:49:27Zoai:ri.conicet.gov.ar:11336/111909instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:49:27.862CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
title |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
spellingShingle |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine Dalmasso, Pablo Roberto Copper quantification Carbon nanotubes dispersion Polyhistidine Glassy carbon electrode Differential pulse voltammetry |
title_short |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
title_full |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
title_fullStr |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
title_full_unstemmed |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
title_sort |
Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine |
dc.creator.none.fl_str_mv |
Dalmasso, Pablo Roberto Pedano, Maria Laura Rivas, Gustavo Adolfo |
author |
Dalmasso, Pablo Roberto |
author_facet |
Dalmasso, Pablo Roberto Pedano, Maria Laura Rivas, Gustavo Adolfo |
author_role |
author |
author2 |
Pedano, Maria Laura Rivas, Gustavo Adolfo |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Copper quantification Carbon nanotubes dispersion Polyhistidine Glassy carbon electrode Differential pulse voltammetry |
topic |
Copper quantification Carbon nanotubes dispersion Polyhistidine Glassy carbon electrode Differential pulse voltammetry |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
We report the sensitive and selective quantification of Cu(II) at glassy carbon electrodes (GCE) modified with multiwall carbon nanotubes (MWCNT) dispersed in polyhistidine (Polyhis), (GCE/MWCNT[BOND]Polyhis) based on the complexation of Cu(II) by the histidine residues and further reduction by Differential Pulse Voltammetry in acetate buffer solution. The sensitivity was (3.6±0.3)×106 µA M−1, the reproducibility 6.6 %, and the detection limit 75 nM (4.8 µg L−1). The quantification of Cu(II) was highly selective even in the presence of excess of Cd(II), Zn(II), Co(II), Fe(II), Fe(III), Al(III), Pb(II), Cr(III), Mn(II), and Ag(I). The proposed sensor was successfully used for quantifying Cu(II) in tap-water and groundwater samples without any pretreatment. Fil: Dalmasso, Pablo Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina. Universidad Nacional de Santiago del Estero; Argentina Fil: Pedano, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina Fil: Rivas, Gustavo Adolfo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Físico-química de Córdoba. Universidad Nacional de Córdoba. Facultad de Ciencias Químicas. Instituto de Investigaciones en Físico-química de Córdoba; Argentina |
description |
We report the sensitive and selective quantification of Cu(II) at glassy carbon electrodes (GCE) modified with multiwall carbon nanotubes (MWCNT) dispersed in polyhistidine (Polyhis), (GCE/MWCNT[BOND]Polyhis) based on the complexation of Cu(II) by the histidine residues and further reduction by Differential Pulse Voltammetry in acetate buffer solution. The sensitivity was (3.6±0.3)×106 µA M−1, the reproducibility 6.6 %, and the detection limit 75 nM (4.8 µg L−1). The quantification of Cu(II) was highly selective even in the presence of excess of Cd(II), Zn(II), Co(II), Fe(II), Fe(III), Al(III), Pb(II), Cr(III), Mn(II), and Ag(I). The proposed sensor was successfully used for quantifying Cu(II) in tap-water and groundwater samples without any pretreatment. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-09 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/111909 Dalmasso, Pablo Roberto; Pedano, Maria Laura; Rivas, Gustavo Adolfo; Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine; Wiley VCH Verlag; Electroanalysis; 27; 9; 9-2015; 2164-2170 1040-0397 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/111909 |
identifier_str_mv |
Dalmasso, Pablo Roberto; Pedano, Maria Laura; Rivas, Gustavo Adolfo; Electrochemical Determination of Cu(II) Using a Glassy Carbon Electrode Modified with Multiwall Carbon Nanotubes Dispersed in Polyhistidine; Wiley VCH Verlag; Electroanalysis; 27; 9; 9-2015; 2164-2170 1040-0397 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/abs/10.1002/elan.201500116 info:eu-repo/semantics/altIdentifier/doi/10.1002/elan.201500116 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley VCH Verlag |
publisher.none.fl_str_mv |
Wiley VCH Verlag |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
_version_ |
1844613531213758464 |
score |
13.070432 |