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dc.contributor.author
Farias, Marcos Ezequiel
dc.contributor.author
Luna, Maria Alejandra
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Niebylski, Ana Maria
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Correa, Nestor Mariano
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Molina, Patricia Gabriela
dc.date.available
2021-08-09T16:09:40Z
dc.date.issued
2018-07
dc.identifier.citation
Farias, Marcos Ezequiel; Luna, Maria Alejandra; Niebylski, Ana Maria; Correa, Nestor Mariano; Molina, Patricia Gabriela; Characterization of a label system formed by large unilamellar vesicles for its potential use in the design of electrochemical biosensors; Elsevier Science; Microchemical Journal; 140; 7-2018; 105-113
dc.identifier.issn
0026-265X
dc.identifier.uri
http://hdl.handle.net/11336/138038
dc.description.abstract
In this contribution a new electrochemical label system formed by DOPC/palmitic acid/cholesterol/sucrose large unilamellar vesicles (LUVs) with K4(Fe(CN)6) encapsulated is described and, characterized by using electrochemical techniques, dynamic light scattering (DLS) and transmission electron microscopy (TEM). Results indicates that incorporation of cholesterol to the membrane promote a meaningful reduction in the loss of the encapsulated electroactive molecu1le. On the other hand, the addition of sucrose allows a successful lyophilization process, and confers stability to the system over long periods of time, remaining unchanged even for ten months after being formed. These properties make this system a very stable label that could be linked to an antibody, antigen or DNA strain; after the specific interaction with the analyte, LUVs rupture can be induced and the electroactive molecule encapsulated can be released and electrochemically detected by using square wave voltammetry. These characteristics make this new system into a signal amplifier that can be used to replace traditional enzyme-labels in electrochemical biosensors design.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BIOSENSOR
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ELECTROCHEMICAL LABEL SYSTEM
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LARGE UNILAMELLAR VESICLES
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LYOPHILIZATION PROCESS
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Química Analítica
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Characterization of a label system formed by large unilamellar vesicles for its potential use in the design of electrochemical biosensors
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-07-30T18:12:58Z
dc.journal.volume
140
dc.journal.pagination
105-113
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Farias, Marcos Ezequiel. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.description.fil
Fil: Luna, Maria Alejandra. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.description.fil
Fil: Niebylski, Ana Maria. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.description.fil
Fil: Correa, Nestor Mariano. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.description.fil
Fil: Molina, Patricia Gabriela. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Departamento de Química; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.journal.title
Microchemical Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.microc.2018.04.013
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0026265X17313152?via%3Dihub
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