Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Marccus V. A. Martins"'
2
Dendritic Gold Nanoparticles Towards Transparent and Electroactive Electrodes
Autor: Rodrigo M. Iost, Marccus V. A. Martins, Frank N. Crespilho
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Anais da Academia Brasileira de Ciências
CIÊNCIAVITAE
Anais da Academia Brasileira de Ciências, Volume: 91, Issue: 4, Article number: e20180817, Published: 28 NOV 2019
Anais da Academia Brasileira de Ciências v.91 n.4 2019
Academia Brasileira de Ciências (ABC)
instacron:ABC
The combination of UV-visible absorption and electrochemical experiments (spectroelectrochemistry) enables to obtain highly specific spectroscopic information (in situ and operando) from modified surfaces. However, such application can be limited by
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eade4225d365d59ffa8896f77daa23ce
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3
Filtros digitais por transformadas de Fourier aplicados em eletroquímica
Autor: Ricardo Nantes Liang, Wagner Diego Gonçalves, Frank N. Crespilho, Marccus V. A. Martins
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Química Nova, Vol 36, Iss 1, Pp 165-170 (2013)
The electrochemical properties of micro and nano-electrodes are widely investigated due to their low faradaic and capacitive currents, leading to a new generation of smart and implantable devices. However, the current signals obtained in low-dimensio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0581bef66f9166d16652070f1f189464
https://doi.org/10.1590/s0100-40422013000100027
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4
Interaction of Fe3+meso-tetrakis (2,6-dichloro-3-sulfonatophenyl) porphyrin with cationic bilayers: magnetic switching of the porphyrin and magnetic induction at the interface
Autor: Iseli L. Nantes, Frank N. Crespilho, Otaciro R. Nascimento, Katia Cristina Ugolini Mugnol, Marccus V. A. Martins, J. T. Arantes, Edvaldo C. Nascimento
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
An organized multilayer was constructed by the layer-by-layer technique in which alternating layers of metalloporphyrin and dioctadecyldimethylammonium bromide bilayers were deposited onto an indium tin oxide surface electrode. The porphyrin molecule
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c286d440457f4524612a336be225710
https://doi.org/10.1007/s00214-011-1055-0
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5
Evidence of short-range electron transfer of a redox enzyme on graphene oxide electrodes
Autor: Rodrigo M. Iost, Roberto A. S. Luz, Marccus V. A. Martins, Andressa R. Pereira, Frank N. Crespilho
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Direct electron transfer (DET) between redox enzymes and electrode surfaces is of growing interest and an important strategy in the development of biofuel cells and biosensors. Among the nanomaterials utilized at electrode/enzyme interfaces to enhanc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5c0cd2cdf395743e932c1768811d470
https://pubmed.ncbi.nlm.nih.gov/24676540
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6
An intravenous implantable glucose/dioxygen biofuel cell with modified flexible carbon fiber electrodes
Autor: Fernanda C. P. F. Sales, Marccus V. A. Martins, Rodrigo M. Iost, Frank N. Crespilho, Maria Camila Almeida
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
An intravenous implantable glucose/dioxygen hybrid enzyme-Pt micro-biofuel cell (BFC) was investigated. In this miniaturized BFC, a flexible carbon fiber (FCF) microelectrode modified with neutral red redox mediator and glucose oxidase was used as th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12c3cf10d7e85f24913c8cc803a7eae2
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7
Nano‑assembled supramolecular films from chitosan‑stabilized gold nanoparticles and cobalt(II) phthalocyanine
Autor: Arben Merkoçi, Frank N. Crespilho, Anna T. B. Silva, Andreane G. Coelho, Lourdes C. da S. Lopes, Welter C. Silva, Marccus V. A. Martins
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Journal of the Brazilian Chemical Society, Volume: 24, Issue: 8, Pages: 1237-1245, Published: AUG 2013
Journal of the Brazilian Chemical Society v.24 n.8 2013
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Digital.CSIC. Repositorio Institucional del CSIC
instname
et al.
[EN]: In this work, we report the synthesis and characterization of gold nanoparticles (AuNPs) stabilized with chitosan (Chit), as well as the capability of this material to form multilayer films with cobalt(II) tetrasulfonated phthalocya
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8
Flexible carbon cloth electrode modified by hollow core-mesoporous shell carbon as a novel efficient bio-anode for biofuel cell
Autor: Rodrigo M. Iost, Marccus V. A. Martins, Jong-Sung Yu, Jung Ho Kim, Gabriel Molina de Olyveira, Frank N. Crespilho, Kiran N. Chaudhari
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
A new approach is described to produce an efficient electrode material for biofuel cells using flexible carbon cloth (FCC) and hollow core-mesoporous shell carbon (HCMSC) nanospheres as bio-anode materials. The bio-electrochemical activity of glucose
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd7b395a9e3daf055cb681ffdb05596b
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9
The processing of polyelectrolyte-covered magnetite nanoparticles in the form of nanostructured thin films
Autor: Frank N. Crespilho, Marccus V. A. Martins, Valtencir Zucolotto, Jose A. Souza, Valeria S. Marangoni, Osvaldo N. Oliveira
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Magnetic nanoparticles are promising for a variety of applications, such as biomedical devices, spin electronics, magnetic data storage media, to name a few. However, these goals may only be reached if stable and organized structures are fabricated.
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10
Supramolecular architectures in layer-by-layer films of single-walled carbon nanotubes, chitosan and cobalt (II) phthalocyanine
Autor: Janildo Lopes Magalhães, Osvaldo N. Oliveira, Frank N. Crespilho, Valtencir Zucolotto, Welter C. Silva, José R. Siqueira, Marccus V. A. Martins, Roberto A. S. Luz
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
The building of supramolecular structures in nanostructured films has been exploited for a number of applications, with the film properties being controlled at the molecular level. In this study, we report on the layer-by-layer (LbL) films combining
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50aa13a7e5a1a136e8209c3ffa0470a5
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