Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase

Detalhes bibliográficos
Autor(a) principal: Silveira, Célia M.
Data de Publicação: 2013
Outros Autores: Pimpão, Marta, Pedroso, Humberto A., Rodrigues, Patrícia R. S., Moura, José J. G., Pereira, Manuel F. R., Almeida, M. Gabriela
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.26/6248
Resumo: NOTICE: this is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, VOL. 35, (October 2013). http://dx.doi.org/10.1016/j.elecom.2013.07.027
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spelling Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductaseMulti-walled carbon nanotubesSurface oxidesNitrite reductaseDirect electrochemistryNOTICE: this is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, VOL. 35, (October 2013). http://dx.doi.org/10.1016/j.elecom.2013.07.027"This work reports the evaluation of a set of multi-walled carbon nanotubes (MWCNT) presenting different surface chemistries, as interfaces for the direct electrochemistry of the multihemic nitrite reductase (ccNiR) from Desulfovibrio desulfuricans ATCC27774 (Dd). The carbon nanotubes dispersions were prepared in aqueous media and deposited on pyrolytic graphite (PG) macroelectrodes, following a layer-by-layer methodology. The resulting MWCNT bed was coated with ccNiR and studied by cyclic voltammetry. Interestingly, although small non-catalytic cathodic waves were detected in all carbon nanotubes bioconjugates, the complexity of these electrochemical signals was partially deconvoluted in some materials, the less acidic ones emphasizing the contribution of the catalytic centre. Consistently, these MWCNT were the most favourable for enzyme catalysis, highlighting the importance of the surface oxide functionalities to enzyme reactivity."ElsevierRepositório ComumSilveira, Célia M.Pimpão, MartaPedroso, Humberto A.Rodrigues, Patrícia R. S.Moura, José J. G.Pereira, Manuel F. R.Almeida, M. Gabriela2014-04-23T11:20:47Z2013-10-01T00:00:00Z2013-10-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.26/6248engElectrochemistry Communications. Volume 35, October 2013, Pages 17–21. http://dx.doi.org/10.1016/j.elecom.2013.07.0271388-2481info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-10-06T14:51:27Zoai:comum.rcaap.pt:10400.26/6248Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:06:03.811038Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
title Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
spellingShingle Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
Silveira, Célia M.
Multi-walled carbon nanotubes
Surface oxides
Nitrite reductase
Direct electrochemistry
title_short Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
title_full Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
title_fullStr Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
title_full_unstemmed Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
title_sort Probing the surface chemistry of different oxidized MWCNT for the improved electrical wiring of cytochrome c nitrite reductase
author Silveira, Célia M.
author_facet Silveira, Célia M.
Pimpão, Marta
Pedroso, Humberto A.
Rodrigues, Patrícia R. S.
Moura, José J. G.
Pereira, Manuel F. R.
Almeida, M. Gabriela
author_role author
author2 Pimpão, Marta
Pedroso, Humberto A.
Rodrigues, Patrícia R. S.
Moura, José J. G.
Pereira, Manuel F. R.
Almeida, M. Gabriela
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório Comum
dc.contributor.author.fl_str_mv Silveira, Célia M.
Pimpão, Marta
Pedroso, Humberto A.
Rodrigues, Patrícia R. S.
Moura, José J. G.
Pereira, Manuel F. R.
Almeida, M. Gabriela
dc.subject.por.fl_str_mv Multi-walled carbon nanotubes
Surface oxides
Nitrite reductase
Direct electrochemistry
topic Multi-walled carbon nanotubes
Surface oxides
Nitrite reductase
Direct electrochemistry
description NOTICE: this is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, VOL. 35, (October 2013). http://dx.doi.org/10.1016/j.elecom.2013.07.027
publishDate 2013
dc.date.none.fl_str_mv 2013-10-01T00:00:00Z
2013-10-01T00:00:00Z
2014-04-23T11:20:47Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.26/6248
url http://hdl.handle.net/10400.26/6248
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Electrochemistry Communications. Volume 35, October 2013, Pages 17–21. http://dx.doi.org/10.1016/j.elecom.2013.07.027
1388-2481
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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