An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol

Reduced graphene oxide–carboxymethylcellulose hybrid (CMC–rGO) was used for the development of a novel electrochemical immunosensor for the determination of adiponectin (APN) cytokine. The hybrid material was synthesized by covalent binding of oxidized CMC to GO layers followed by chemical reduction...

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Authors: Arenas Sevillano, Cristian Brenabé; Sánchez Tirado, Esther; Ojeda Fernández, Irene; Gomez-Suarez, C.A.; González Cortés, Araceli; Villalonga Santana, Reynaldo; Yáñez-Sedeño Orive, Paloma; Pingarrón Carrazón, José Manuel
Format: Article
Publication date:2015
Country:España
Institution:Universidad Complutense de Madrid (UCM)
Repository:Docta Complutense
Language:English
OAI Identifier:oai:docta.ucm.es:20.500.14352/124311
Online Access:https://hdl.handle.net/20.500.14352/124311
Access Level:Open access
Keyword:543
Graphene
Adiponectin
Electrochemical immunosensor
Carboxymethyl cellulose
Mix&Go
Human serum
Química
2301 Química Analítica
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author Arenas Sevillano, Cristian Brenabé
author2 Sánchez Tirado, Esther
Ojeda Fernández, Irene
Gomez-Suarez, C.A.
González Cortés, Araceli
Villalonga Santana, Reynaldo
Yáñez-Sedeño Orive, Paloma
Pingarrón Carrazón, José Manuel
author2_role author
author
author
author
author
author
author
author_browse Arenas Sevillano, Cristian Brenabé
Gomez-Suarez, C.A.
González Cortés, Araceli
Ojeda Fernández, Irene
Pingarrón Carrazón, José Manuel
Sánchez Tirado, Esther
Villalonga Santana, Reynaldo
Yáñez-Sedeño Orive, Paloma
author_facet Arenas Sevillano, Cristian Brenabé
Sánchez Tirado, Esther
Ojeda Fernández, Irene
Gomez-Suarez, C.A.
González Cortés, Araceli
Villalonga Santana, Reynaldo
Yáñez-Sedeño Orive, Paloma
Pingarrón Carrazón, José Manuel
author_role author
collection Docta Complutense
description Reduced graphene oxide–carboxymethylcellulose hybrid (CMC–rGO) was used for the development of a novel electrochemical immunosensor for the determination of adiponectin (APN) cytokine. The hybrid material was synthesized by covalent binding of oxidized CMC to GO layers followed by chemical reduction with sodium borohydride. A sandwich-type immunoassay was employed involving the commercial metal-complexes based polymer Mix & Go™ for the stable and oriented immobilization of anti-APN capture antibody. Biotinylated-anti-APN and HRP-Strept were used for the assay configuration. The APN quantification was performed by amperometry at −200 mV using the hydrogen peroxide/hydroquinone enzyme substrate/mediator system. A sigmoidal calibration plot for APN in the 0.1–50 μg/mL range, with a linear portion in the 0.5–10.0 μg/mL APN concentration range was obtained. The calculated limit of detection (3sb/m) was 61 ng/mL APN. The usefulness of the immunosensor was evaluated by analyzing human serum from hypercholesterolemia or diabetes patients.
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institution Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
language eng
network_acronym_str ES
network_name_str España
oai_identifier_str oai:docta.ucm.es:20.500.14352/124311
publishDate 2015
publishDateSort 2015
publisher Elsevier
publisherStr Elsevier
reponame_str Docta Complutense
spelling An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol Arenas Sevillano, Cristian Brenabé Sánchez Tirado, Esther Ojeda Fernández, Irene Gomez-Suarez, C.A. González Cortés, Araceli Villalonga Santana, Reynaldo Yáñez-Sedeño Orive, Paloma Pingarrón Carrazón, José Manuel 543 Graphene Adiponectin Electrochemical immunosensor Carboxymethyl cellulose Mix&Go Human serum Química 2301 Química Analítica Reduced graphene oxide–carboxymethylcellulose hybrid (CMC–rGO) was used for the development of a novel electrochemical immunosensor for the determination of adiponectin (APN) cytokine. The hybrid material was synthesized by covalent binding of oxidized CMC to GO layers followed by chemical reduction with sodium borohydride. A sandwich-type immunoassay was employed involving the commercial metal-complexes based polymer Mix & Go™ for the stable and oriented immobilization of anti-APN capture antibody. Biotinylated-anti-APN and HRP-Strept were used for the assay configuration. The APN quantification was performed by amperometry at −200 mV using the hydrogen peroxide/hydroquinone enzyme substrate/mediator system. A sigmoidal calibration plot for APN in the 0.1–50 μg/mL range, with a linear portion in the 0.5–10.0 μg/mL APN concentration range was obtained. The calculated limit of detection (3sb/m) was 61 ng/mL APN. The usefulness of the immunosensor was evaluated by analyzing human serum from hypercholesterolemia or diabetes patients. Elsevier https://hdl.handle.net/20.500.14352/124311
spellingShingle An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
Arenas Sevillano, Cristian Brenabé
543
Graphene
Adiponectin
Electrochemical immunosensor
Carboxymethyl cellulose
Mix&Go
Human serum
Química
2301 Química Analítica
title An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
title_full An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
title_fullStr An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
title_full_unstemmed An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
title_short An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
title_sort An electrochemical immunosensor for adiponectin using reduced graphene oxide–carboxymethylcellulose hybrid as electrode scaffol
topic 543
Graphene
Adiponectin
Electrochemical immunosensor
Carboxymethyl cellulose
Mix&Go
Human serum
Química
2301 Química Analítica
topic_facet 543
Graphene
Adiponectin
Electrochemical immunosensor
Carboxymethyl cellulose
Mix&Go
Human serum
Química
2301 Química Analítica
url https://hdl.handle.net/20.500.14352/124311