An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine
- Autores
- Paz Zanini, Veronica Irene; Lopez, Beatriz Alicia; Labbé, Pierre; Solis, Velia Matilde
- Año de publicación
- 2010
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A biosensor based on the immobilization of Lactate oxidase in laponite - organosilasesquioxane films on glassy carbon electrode for the quantification of l-lactate in wine and dairy products is presented. The bioelectrode showed a very high sensitivity (0.33 ± 0.01) A cm-2 M-1 and a short time response (10 s) for less than 1 U of enzyme. No significant interferences, including ascorbic acid, were detected. For red wine, matrix effects assigned to polyphenols and anthocyanins were observed, which ware easily overcome by sample dilution. Our l-lactate determinations were in good agreement with those of two standard methods.
Fil: Paz Zanini, Veronica Irene. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Química del Noroeste. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química del Noroeste; Argentina
Fil: Lopez, Beatriz Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Química del Noroeste. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química del Noroeste; Argentina
Fil: Labbé, Pierre. Centre National de la Recherche Scientifique; Francia
Fil: Solis, Velia Matilde. 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
-
BIOSENSORS
DAIRY PRODUCTS
ENZYMES
FERROCENE-METHANOL
L-LACTATE
LACTATE OXIDASE BIOSENSOR
LAPONITE GEL
WINE - 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:11336/188286
Ver los metadatos del registro completo
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CONICET Digital (CONICET) |
spelling |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red winePaz Zanini, Veronica IreneLopez, Beatriz AliciaLabbé, PierreSolis, Velia MatildeBIOSENSORSDAIRY PRODUCTSENZYMESFERROCENE-METHANOLL-LACTATELACTATE OXIDASE BIOSENSORLAPONITE GELWINEhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1A biosensor based on the immobilization of Lactate oxidase in laponite - organosilasesquioxane films on glassy carbon electrode for the quantification of l-lactate in wine and dairy products is presented. The bioelectrode showed a very high sensitivity (0.33 ± 0.01) A cm-2 M-1 and a short time response (10 s) for less than 1 U of enzyme. No significant interferences, including ascorbic acid, were detected. For red wine, matrix effects assigned to polyphenols and anthocyanins were observed, which ware easily overcome by sample dilution. Our l-lactate determinations were in good agreement with those of two standard methods.Fil: Paz Zanini, Veronica Irene. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Química del Noroeste. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química del Noroeste; ArgentinaFil: Lopez, Beatriz Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Química del Noroeste. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química del Noroeste; ArgentinaFil: Labbé, Pierre. Centre National de la Recherche Scientifique; FranciaFil: Solis, Velia Matilde. 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 Verlag2010-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/188286Paz Zanini, Veronica Irene; Lopez, Beatriz Alicia; Labbé, Pierre; Solis, Velia Matilde; An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine; Wiley VCH Verlag; Electroanalysis; 22; 9; 5-2010; 946-9541040-0397CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/abs/10.1002/elan.200900416info:eu-repo/semantics/altIdentifier/doi/10.1002/elan.200900416info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:49:48Zoai:ri.conicet.gov.ar:11336/188286instacron: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 09:49:48.73CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
title |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
spellingShingle |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine Paz Zanini, Veronica Irene BIOSENSORS DAIRY PRODUCTS ENZYMES FERROCENE-METHANOL L-LACTATE LACTATE OXIDASE BIOSENSOR LAPONITE GEL WINE |
title_short |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
title_full |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
title_fullStr |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
title_full_unstemmed |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
title_sort |
An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine |
dc.creator.none.fl_str_mv |
Paz Zanini, Veronica Irene Lopez, Beatriz Alicia Labbé, Pierre Solis, Velia Matilde |
author |
Paz Zanini, Veronica Irene |
author_facet |
Paz Zanini, Veronica Irene Lopez, Beatriz Alicia Labbé, Pierre Solis, Velia Matilde |
author_role |
author |
author2 |
Lopez, Beatriz Alicia Labbé, Pierre Solis, Velia Matilde |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
BIOSENSORS DAIRY PRODUCTS ENZYMES FERROCENE-METHANOL L-LACTATE LACTATE OXIDASE BIOSENSOR LAPONITE GEL WINE |
topic |
BIOSENSORS DAIRY PRODUCTS ENZYMES FERROCENE-METHANOL L-LACTATE LACTATE OXIDASE BIOSENSOR LAPONITE GEL WINE |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
A biosensor based on the immobilization of Lactate oxidase in laponite - organosilasesquioxane films on glassy carbon electrode for the quantification of l-lactate in wine and dairy products is presented. The bioelectrode showed a very high sensitivity (0.33 ± 0.01) A cm-2 M-1 and a short time response (10 s) for less than 1 U of enzyme. No significant interferences, including ascorbic acid, were detected. For red wine, matrix effects assigned to polyphenols and anthocyanins were observed, which ware easily overcome by sample dilution. Our l-lactate determinations were in good agreement with those of two standard methods. Fil: Paz Zanini, Veronica Irene. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Química del Noroeste. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química del Noroeste; Argentina Fil: Lopez, Beatriz Alicia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Instituto de Química del Noroeste. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia. Instituto de Química del Noroeste; Argentina Fil: Labbé, Pierre. Centre National de la Recherche Scientifique; Francia Fil: Solis, Velia Matilde. 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 |
A biosensor based on the immobilization of Lactate oxidase in laponite - organosilasesquioxane films on glassy carbon electrode for the quantification of l-lactate in wine and dairy products is presented. The bioelectrode showed a very high sensitivity (0.33 ± 0.01) A cm-2 M-1 and a short time response (10 s) for less than 1 U of enzyme. No significant interferences, including ascorbic acid, were detected. For red wine, matrix effects assigned to polyphenols and anthocyanins were observed, which ware easily overcome by sample dilution. Our l-lactate determinations were in good agreement with those of two standard methods. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-05 |
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/11336/188286 Paz Zanini, Veronica Irene; Lopez, Beatriz Alicia; Labbé, Pierre; Solis, Velia Matilde; An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine; Wiley VCH Verlag; Electroanalysis; 22; 9; 5-2010; 946-954 1040-0397 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/188286 |
identifier_str_mv |
Paz Zanini, Veronica Irene; Lopez, Beatriz Alicia; Labbé, Pierre; Solis, Velia Matilde; An L-lactate amperometric enzyme electrode based on L-lactate oxidase immobilized in a laponite gel on a glassy carbon electrode. Application to dairy products and red wine; Wiley VCH Verlag; Electroanalysis; 22; 9; 5-2010; 946-954 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://analyticalsciencejournals.onlinelibrary.wiley.com/doi/abs/10.1002/elan.200900416 info:eu-repo/semantics/altIdentifier/doi/10.1002/elan.200900416 |
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 |
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_ |
1844613539189227520 |
score |
13.070432 |