Search Results - "Souza, 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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Commercial antioxidants and thermal stability evaluations by Santos, Nataly A., Cordeiro, Angela M.T.M., Damasceno, Sarah S., Aguiar, Rebeca T., Rosenhaim, Raul, Carvalho Filho, José R., Santos, Ieda M.G., Maia, Ary S., Souza, Antonio G.

“…Isothermal TG curves of BHA, BHT and TBHQ. [Display omitted] ► Some antioxidants decompose or volatilize below 110°C. ► Rancimat method is used to determine…”
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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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Thermoanalytical characterization of castor oil biodiesel by Conceição, Marta M., Candeia, Roberlúcia A., Silva, Fernando C., Bezerra, Aline F., Fernandes, Valter J., Souza, Antonio G.

“…The castor oil seed has 47–49% of oil. Biodiesel obtained from castor oil has a lower cost compared to the ones obtained from other oils, as due its…”
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Chitosan-montmorillonite biocomposite as an adsorbent for copper (II) cations from aqueous solutions by Pereira, F.A.R., Sousa, K.S., Cavalcanti, G.R.S., Fonseca, M.G., de Souza, Antônio G., Alves, A.P.M.

“…Chitosan-montmorillonite (KSF-CTS) beads were prepared by crosslinking with pentasodium tripolyphosphate (TPP). Montmorillonite (KSF-Na), CTS and KSF-CTS…”
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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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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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Caffeic Acid: An Efficient Antioxidant for Soybean Biodiesel Contaminated with Metals by Santos, Nataly A, Damasceno, Sarah S, de Araújo, Pedro H. M, Marques, Verônica C, Rosenhaim, Raul, Fernandes, Valter J, Queiroz, Neide, Santos, Ieda M. G, Maia, Ary S, Souza, Antônio G

“…Phenolic compounds are widely recognized because of their antioxidant capacity. In the present work, caffeic acid was shown to minimize the formation of…”
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Black and green pigments based on chromium–cobalt spinels by Eliziário, Sayonara A., de Andrade, Jeferson M., Lima, Severino J.G., Paskocimas, Carlos A., Soledade, Luiz E.B., Hammer, P., Longo, E., Souza, Antônio G., Santos, Ieda M.G.

“…► Co(Co 2− x Cr x )O 4 powders with different chromium concentrations ( x = 0, 0.25 and 1) were prepared by the polymeric precursor method. ► Co(CoCr)O 4 and…”
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Direct simultaneous determination of Pb(II) and Cu(II) in biodiesel by anodic stripping voltammetry at a mercury-film electrode using microemulsions by Martiniano, Lorena C., Abrantes, Vivia R., Neto, Sakae Y., Marques, Edmar P., Fonseca, Teresa C.O., Paim, Leonardo L., Souza, Antônio G., Stradiotto, Nelson R., Aucélio, Ricardo Q., Cavalcante, Glene H.R., Marques, Aldaléa L.B.

“…A mercury film electrode was used to determine direct and simultaneously Pb(II) (at −410mV) and Cu(II) (at −100mV) in biodiesel by anodic stripping…”
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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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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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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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Assessment of the Antioxidant Effects of Moringa oleifera Lam. Extracts in Fish Oil during Storage by Nascimento, Jaqueline A, Magnani, Marciane, Sousa, Janaina M.B, Araújo, Kassandra L.G.V, Epaminondas, Poliana S, Souza, Alline S, Souza, Antônia L, Silva, M.C.D, Souza, Antônio G

“…This study assessed the antioxidant activity of Moringa oleifera Lam. extracts on the oxidative stability of fish oil subjected to conditions of accelerate…”
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Antioxidant activity of co-products from guava, mango and barbados cherry produced in the Brazilian northeast by Araújo, Kassandra L G V, Magnani, Marciane, Nascimento, Jaqueline A, Souza, Alline L, Epaminondas, Poliana S, Souza, Antônia L, Queiroz, Neide, Souza, Antonio G

“…Co-products from the juice processing of guava (CG), mango (CM) and barbados cherry (CB) were investigated with a view to their exploitation as a potential…”
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