Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode

Detalhes bibliográficos
Autor(a) principal: Paquim, A. M. Chiorcea
Data de Publicação: 2002
Outros Autores: Brett, A. M. Oliveira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10316/5197
https://doi.org/10.1016/S1567-5394(01)00168-2
Resumo: Guanine adsorbed onto a highly oriented pyrolytic graphite electrode was studied by MAC-Mode Atomic Force Microscopy (AFM), and the electrochemical behaviour of the guanine layer was investigated with Electrochemical AFM. Guanine adsorbs spontaneously, without forming a well-packed structure, into nucleation spots, which are stable with time and cover the surface uniformly and almost completely. The process of guanine adsorption and nucleation can be controlled and the effect of altering the exposure time and varying the potential was investigated.
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spelling Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrodeGuanineAdsorbtionPyrolytic graphiteAtomic force microscopyGuanine adsorbed onto a highly oriented pyrolytic graphite electrode was studied by MAC-Mode Atomic Force Microscopy (AFM), and the electrochemical behaviour of the guanine layer was investigated with Electrochemical AFM. Guanine adsorbs spontaneously, without forming a well-packed structure, into nucleation spots, which are stable with time and cover the surface uniformly and almost completely. The process of guanine adsorption and nucleation can be controlled and the effect of altering the exposure time and varying the potential was investigated.http://www.sciencedirect.com/science/article/B6W72-44HYCY0-1/1/24689b2878d88df846f8a2f1c124a63d2002info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleaplication/PDFhttp://hdl.handle.net/10316/5197http://hdl.handle.net/10316/5197https://doi.org/10.1016/S1567-5394(01)00168-2engBioelectrochemistry. 55:1-2 (2002) 63-65Paquim, A. M. ChiorceaBrett, A. M. Oliveirainfo: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:RCAAP2020-11-06T16:59:58Zoai:estudogeral.uc.pt:10316/5197Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:01:21.145886Repositório 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 Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
title Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
spellingShingle Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
Paquim, A. M. Chiorcea
Guanine
Adsorbtion
Pyrolytic graphite
Atomic force microscopy
title_short Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
title_full Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
title_fullStr Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
title_full_unstemmed Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
title_sort Scanning probe microscopic imaging of guanine on a highly oriented pyrolytic graphite electrode
author Paquim, A. M. Chiorcea
author_facet Paquim, A. M. Chiorcea
Brett, A. M. Oliveira
author_role author
author2 Brett, A. M. Oliveira
author2_role author
dc.contributor.author.fl_str_mv Paquim, A. M. Chiorcea
Brett, A. M. Oliveira
dc.subject.por.fl_str_mv Guanine
Adsorbtion
Pyrolytic graphite
Atomic force microscopy
topic Guanine
Adsorbtion
Pyrolytic graphite
Atomic force microscopy
description Guanine adsorbed onto a highly oriented pyrolytic graphite electrode was studied by MAC-Mode Atomic Force Microscopy (AFM), and the electrochemical behaviour of the guanine layer was investigated with Electrochemical AFM. Guanine adsorbs spontaneously, without forming a well-packed structure, into nucleation spots, which are stable with time and cover the surface uniformly and almost completely. The process of guanine adsorption and nucleation can be controlled and the effect of altering the exposure time and varying the potential was investigated.
publishDate 2002
dc.date.none.fl_str_mv 2002
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/10316/5197
http://hdl.handle.net/10316/5197
https://doi.org/10.1016/S1567-5394(01)00168-2
url http://hdl.handle.net/10316/5197
https://doi.org/10.1016/S1567-5394(01)00168-2
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Bioelectrochemistry. 55:1-2 (2002) 63-65
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv aplication/PDF
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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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
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