Search Results - "SOUZA FILHO, ANTONIO G."

Raman Studies of Carbon Nanostructures by Jorio, Ado, Souza Filho, Antonio G

“…This article reviews recent advances on the use of Raman spectroscopy to study and characterize carbon nanostructures. It starts with a brief survey of Raman…”
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Raman evidence for pressure-induced formation of diamondene by Martins, Luiz Gustavo Pimenta, Matos, Matheus J. S., Paschoal, Alexandre R., Freire, Paulo T. C., Andrade, Nadia F., Aguiar, Acrísio L., Kong, Jing, Neves, Bernardo R. A., de Oliveira, Alan B., Mazzoni, Mário S.C., Filho, Antonio G. Souza, Cançado, Luiz Gustavo

“…Despite the advanced stage of diamond thin-film technology, with applications ranging from superconductivity to biosensing, the realization of a stable and…”
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Nanostructured silver vanadate as a promising antibacterial additive to water-based paints by Holtz, Raphael D., MSc, Lima, Bruna A., MSc, Souza Filho, Antônio G., PhD, Brocchi, Marcelo, PhD, Alves, Oswaldo L., PhD

“…Abstract In this article, we report the use of nanostructured silver vanadate as a promising antibacterial additive to water-based paints that has potential…”
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Structural and vibrational properties of carbonophosphates: Na3MCO3PO4 (M=Mn, Fe, Co and Ni) by Amaral, Ian R., Alencar, Rafael S., Paraguassu, Waldeci, Costa, Demétrio A.S., Costa, Lorena A.C., Montoro, Luciano A., Souza Filho, Antônio G.

“…In this paper we present a Raman spectroscopy study of Na3MCO3PO4 (M=Mn, Fe, Co e Ni) carbonophosphates. The insertion of different metals with distinct ionic…”
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Review on the symmetry-related properties of carbon nanotubes by Barros, Eduardo B., Jorio, Ado, Samsonidze, Georgii G., Capaz, Rodrigo B., Souza Filho, Antônio G., Mendes Filho, Josué, Dresselhaus, Gene, Dresselhaus, Mildred S.

“…In this work we review the basic properties of carbon nanotubes from the standpoint of group theory. The zone folding scheme is reviewed in the light of the…”
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Surface Chemistry in the Process of Coating Mesoporous SiO2 onto Carbon Nanotubes Driven by the Formation of SiOC Bonds by Paula, Amauri J., Stéfani, Diego, Souza Filho, Antonio G., Kim, Yoong Ahm, Endo, Morinobu, Alves, Oswaldo L.

“…The deposition of mesoporous silica (SiO2) on carbon nanotubes (CNTs) has opened up a wide range of assembling possibilities by exploiting the sidewall of CNTs…”
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Structural and proactive safety aspects of oxidation debris from multiwalled carbon nanotubes by Stéfani, Diego, Paula, Amauri J., Vaz, Boniek G., Silva, Rodrigo A., Andrade, Nádia F., Justo, Giselle Z., Ferreira, Carmen V., Filho, Antonio G. Souza, Eberlin, Marcos N., Alves, Oswaldo L.

“…The removal of oxidation debris from the oxidized carbon nanotube surface with a NaOH treatment is a key step for an effective functionalization and quality…”
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Nicotine adsorption on single wall carbon nanotubes by Girão, Eduardo C., Fagan, Solange B., Zanella, Ivana, Filho, Antonio G. Souza

“…This work reports a theoretical study of nicotine molecules interacting with single wall carbon nanotubes (SWCNTs) through ab initio calculations within the…”
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Coating carbon nanotubes with humic acid using an eco-friendly mechanochemical method: Application for Cu(II) ions removal from water and aquatic ecotoxicity by Côa, Francine, Strauss, Mathias, Clemente, Zaira, Rodrigues Neto, Laís L., Lopes, Josias R., Alencar, Rafael S., Souza Filho, Antônio G., Alves, Oswaldo L., Castro, Vera Lúcia S.S., Barbieri, Edison, Martinez, Diego Stéfani T.

“…In this work, industrial grade multi-walled carbon nanotubes (MWCNT) were coated with humic acid (HA) for the first time by means of a milling process, which…”
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Selective Tuning of the Electronic Properties of Coaxial Nanocables through Exohedral Doping by Souza Filho, Antonio G, Meunier, Vincent, Terrones, Mauricio, Sumpter, Bobby G, Barros, Eduardo B, Villalpando-Páez, Federico, Mendes Filho, Josue, Kim, Yoong Ahm, Muramatsu, Hiroyuki, Hayashi, Takuya, Endo, Morinobu, Dresselhaus, Mildred S

“…The electronic properties of exohedrally doped double-walled carbon nanotubes (DWNTs) have been investigated using density functional theory and resonance…”
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Ordinary microfluidic electrodes combined with bulk nanoprobe produce multidimensional electric double-layer capacitances towards metal ion recognition by da Silva, Giulia S., de Oliveira, Luiza P., Costa, Gabriel F., Giordano, Gabriela F., Nicoliche, Caroline Y.N., da Silva, Alexandre A., Khan, Latif U., da Silva, Gabriela H., Gobbi, Angelo L., Silveira, José V., Filho, Antonio G. Souza, Schleder, Gabriel R., Fazzio, Adalberto, Martinez, Diego S.T., Lima, Renato S.

“…[Display omitted] •Commercial stainless-steel capillaries into a scalable microfluidic chip acted as multidimensional double-layer parallel…”
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Potential of biochar to restoration of microbial biomass and enzymatic activity in a highly degraded semiarid soil by Barbosa, Francisco L. A., Santos, João M. R., Mota, Jaedson C. A., Costa, Mirian C. G., Araujo, Ademir S. F., Garcia, Kaio G. V., Almeida, Murilo S., Nascimento, Ícaro V., Medeiros, Erika V., Ferreira, Odair P., Souza Filho, Antonio G., Fregolente, Laís G., Sousa, Helon H. F., Borges, Wardsson L., Pereira, Arthur Prudêncio de Araujo

“…Biochar is an effective material for enhancing soil ecosystem services. However, the specific impacts of biochar on microbial indicators, particularly in…”
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Unveiling the Role of Oxidation Debris on the Surface Chemistry of Graphene through the Anchoring of Ag Nanoparticles by Faria, Andréia F, Martinez, Diego Stéfani T, Moraes, Ana C. M, Maia da Costa, Marcelo E. H, Barros, Eduardo B, Souza Filho, Antonio G, Paula, Amauri J, Alves, Oswaldo L

“…The surface microchemical environment of graphene oxide (GO) has so far been oversimplified for understanding practical purposes. The amount as well as the…”
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Profiles not metrics: the case of Brazilian universities by MCMANUS, CONCEPTA, NEVES, ABILIO A. BAETA, DINIZ FILHO, JOSÉ ALEXANDRE, MARANHÃO, ANDREA Q., SOUZA FILHO, ANTONIO G.

“…Abstract Public universities, and science in general, in Brazil, are under attack from key persons of the government in interviews and articles published in…”
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Alkali metal intercalated titanate nanotubes: A vibrational spectroscopy study by Viana, Bartolomeu C., Ferreira, Odair P., Filho, Antonio G. Souza, Hidalgo, Angel A., Filho, Josué Mendes, Alves, Oswaldo L.

“…Alkali metal (Li+, Na+, K+) intercalated titanate nanotubes have been studied by vibrational spectroscopy (Raman and FT-infrared), X-ray diffraction, and…”
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Decorating Titanate Nanotubes with CeO2 Nanoparticles by Viana, Bartolomeu C, Ferreira, Odair P, Souza Filho, Antonio G, Rodrigues, Carolina M, Moraes, Sandra G, Mendes Filho, Josue, Alves, Oswaldo L

“…In this work, we report the synthesis, characterization, and application of Ce ion-exchanged titanate nanotubes (Ce-TiNTs). The physicochemical properties of…”
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Exploring the use of biosurfactants from Bacillus subtilis in bionanotechnology: A potential dispersing agent for carbon nanotube ecotoxicological studies by Martinez, Diego Stéfani T., Faria, Andréia F., Berni, Elias, Souza Filho, Antonio G., Almeida, Gilberto, Caloto-Oliveira, Adria, Grossman, Matthew J., Durrant, Lucia R., Umbuzeiro, Gisela A., Alves, Oswaldo L.

“…•Carbon nanotube agglomeration is a critical point for ecotoxicity assessment.•Biosurfactants from Bacillus subtilis (surfactin and fengycin) are highly…”
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Temperature-dependent Raman spectroscopy study in MoO3 nanoribbons by Silveira, Jose V., Vieira, Luciana L., Filho, Josue Mendes, Sampaio, Antonio J. C., Alves, Oswaldo L., Souza Filho, Antonio G.

“…This paper reports a study of vibrational, structural and morphological properties of molybdenum oxide nanoribbons. Temperature‐dependent Raman spectroscopy…”
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On the formation of protein corona on colloidal nanoparticles stabilized by depletant polymers by Petry, Romana, Saboia, Viviane M., Franqui, Lidiane S., Holanda, Camila de A., Garcia, Thiago R.R., de Farias, Marcelo A., de Souza Filho, Antonio G., Ferreira, Odair P., Martinez, Diego S.T., Paula, Amauri J.

“…To counter the undesired colloidal destabilization of nanoparticles in biologically-compatible media of high ionic strength (i.e. NaCl, phosphate buffer),…”
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Thermal decomposition and structural reconstruction effect on Mg–Fe-based hydrotalcite compounds by Ferreira, Odair P., Alves, Oswaldo L., Gouveia, Daniel X., Souza Filho, Antonio G., de Paiva, José A.C., Filho, Josué Mendes

“…The thermal decomposition and structural reconstruction of Mg–Fe-based hydrotalcites (HT) have been studied through thermogravimetric analyses, X-ray powder…”
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