Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples
- Autores
- Zachetti, Vanessa Gimena Lourdes; Granero, Adrian Marcelo; Robledo, Sebastian Noel; Zon, María Alicia; Fernandez, Hector
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- An amperometric biosensor based on horseradish peroxidase (EC1.11.1.7,H2O2-oxide-reductases) to determine the content of citrinin mycotoxin in rice samples is proposed by the first time. The method uses carbon paste electrodes filled up with multi-walled carbon nanotubes embedded in a mineral oil, horseradish peroxidase, and ferrocene as a redox mediator. The biosensor is covered externally with a dialysis membrane, which is fixed to the body side of the electrode with a Teflon laboratory film, and an O-ring. The reproducibility and the repeatability were of 7.0% and 3.0%, respectively, showing a very good biosensor performance. The calibration curve was linear in a concentration range from 1 to 11.6 nM. The limits of detection and quantification were 0.25 nM and 0.75 nM, respectively. For comparison, the citrinin content in rice samples was also determined by fluorimetric measurements. A very good correlation was obtained between the electrochemical and spectrophotometric methods.
Fil: Zachetti, Vanessa Gimena Lourdes. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Granero, Adrian Marcelo. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Robledo, Sebastian Noel. Universidad Nacional de Rio Cuarto. Facultad de Ingeniería. Departamento de Tecnología Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Zon, María Alicia. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Fernandez, Hector. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
Electrochemical Biosensor
Citrinin
Multi-Walled Carbon Nanotubes
Peroxidase Enzymes
Mycotoxins - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/22650
Ver los metadatos del registro completo
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Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samplesZachetti, Vanessa Gimena LourdesGranero, Adrian MarceloRobledo, Sebastian NoelZon, María AliciaFernandez, HectorElectrochemical BiosensorCitrininMulti-Walled Carbon NanotubesPeroxidase EnzymesMycotoxinshttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1An amperometric biosensor based on horseradish peroxidase (EC1.11.1.7,H2O2-oxide-reductases) to determine the content of citrinin mycotoxin in rice samples is proposed by the first time. The method uses carbon paste electrodes filled up with multi-walled carbon nanotubes embedded in a mineral oil, horseradish peroxidase, and ferrocene as a redox mediator. The biosensor is covered externally with a dialysis membrane, which is fixed to the body side of the electrode with a Teflon laboratory film, and an O-ring. The reproducibility and the repeatability were of 7.0% and 3.0%, respectively, showing a very good biosensor performance. The calibration curve was linear in a concentration range from 1 to 11.6 nM. The limits of detection and quantification were 0.25 nM and 0.75 nM, respectively. For comparison, the citrinin content in rice samples was also determined by fluorimetric measurements. A very good correlation was obtained between the electrochemical and spectrophotometric methods.Fil: Zachetti, Vanessa Gimena Lourdes. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Granero, Adrian Marcelo. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Robledo, Sebastian Noel. Universidad Nacional de Rio Cuarto. Facultad de Ingeniería. Departamento de Tecnología Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Zon, María Alicia. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Fernandez, Hector. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaElsevier Science2013-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/22650Zachetti, Vanessa Gimena Lourdes; Granero, Adrian Marcelo; Robledo, Sebastian Noel; Zon, María Alicia; Fernandez, Hector; Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples; Elsevier Science; Bioelectrochemistry; 91; 1-2013; 37-431567-5394CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.bioelechem.2012.12.004info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1567539413000042info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:33:21Zoai:ri.conicet.gov.ar:11336/22650instacron: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 10:33:21.971CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
title |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
spellingShingle |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples Zachetti, Vanessa Gimena Lourdes Electrochemical Biosensor Citrinin Multi-Walled Carbon Nanotubes Peroxidase Enzymes Mycotoxins |
title_short |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
title_full |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
title_fullStr |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
title_full_unstemmed |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
title_sort |
Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples |
dc.creator.none.fl_str_mv |
Zachetti, Vanessa Gimena Lourdes Granero, Adrian Marcelo Robledo, Sebastian Noel Zon, María Alicia Fernandez, Hector |
author |
Zachetti, Vanessa Gimena Lourdes |
author_facet |
Zachetti, Vanessa Gimena Lourdes Granero, Adrian Marcelo Robledo, Sebastian Noel Zon, María Alicia Fernandez, Hector |
author_role |
author |
author2 |
Granero, Adrian Marcelo Robledo, Sebastian Noel Zon, María Alicia Fernandez, Hector |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
Electrochemical Biosensor Citrinin Multi-Walled Carbon Nanotubes Peroxidase Enzymes Mycotoxins |
topic |
Electrochemical Biosensor Citrinin Multi-Walled Carbon Nanotubes Peroxidase Enzymes Mycotoxins |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
An amperometric biosensor based on horseradish peroxidase (EC1.11.1.7,H2O2-oxide-reductases) to determine the content of citrinin mycotoxin in rice samples is proposed by the first time. The method uses carbon paste electrodes filled up with multi-walled carbon nanotubes embedded in a mineral oil, horseradish peroxidase, and ferrocene as a redox mediator. The biosensor is covered externally with a dialysis membrane, which is fixed to the body side of the electrode with a Teflon laboratory film, and an O-ring. The reproducibility and the repeatability were of 7.0% and 3.0%, respectively, showing a very good biosensor performance. The calibration curve was linear in a concentration range from 1 to 11.6 nM. The limits of detection and quantification were 0.25 nM and 0.75 nM, respectively. For comparison, the citrinin content in rice samples was also determined by fluorimetric measurements. A very good correlation was obtained between the electrochemical and spectrophotometric methods. Fil: Zachetti, Vanessa Gimena Lourdes. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Granero, Adrian Marcelo. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Robledo, Sebastian Noel. Universidad Nacional de Rio Cuarto. Facultad de Ingeniería. Departamento de Tecnología Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Zon, María Alicia. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Fernandez, Hector. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
An amperometric biosensor based on horseradish peroxidase (EC1.11.1.7,H2O2-oxide-reductases) to determine the content of citrinin mycotoxin in rice samples is proposed by the first time. The method uses carbon paste electrodes filled up with multi-walled carbon nanotubes embedded in a mineral oil, horseradish peroxidase, and ferrocene as a redox mediator. The biosensor is covered externally with a dialysis membrane, which is fixed to the body side of the electrode with a Teflon laboratory film, and an O-ring. The reproducibility and the repeatability were of 7.0% and 3.0%, respectively, showing a very good biosensor performance. The calibration curve was linear in a concentration range from 1 to 11.6 nM. The limits of detection and quantification were 0.25 nM and 0.75 nM, respectively. For comparison, the citrinin content in rice samples was also determined by fluorimetric measurements. A very good correlation was obtained between the electrochemical and spectrophotometric methods. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-01 |
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/11336/22650 Zachetti, Vanessa Gimena Lourdes; Granero, Adrian Marcelo; Robledo, Sebastian Noel; Zon, María Alicia; Fernandez, Hector; Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples; Elsevier Science; Bioelectrochemistry; 91; 1-2013; 37-43 1567-5394 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/22650 |
identifier_str_mv |
Zachetti, Vanessa Gimena Lourdes; Granero, Adrian Marcelo; Robledo, Sebastian Noel; Zon, María Alicia; Fernandez, Hector; Development of an amperometric biosensor based on peroxidases to quantify citrinin in rice samples; Elsevier Science; Bioelectrochemistry; 91; 1-2013; 37-43 1567-5394 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.bioelechem.2012.12.004 info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1567539413000042 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
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 |
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1844614349065289728 |
score |
13.070432 |