Search Results - "Ledjane Silva Barreto"

Optimized graphene transfer: Influence of polymethylmethacrylate (PMMA) layer concentration and baking time on graphene final performance by Borin Barin, Gabriela, Song, Yi, de Fátima Gimenez, Iara, Souza Filho, Antonio Gomes, Barreto, Ledjane Silva, Kong, Jing

“…The influence of transfer parameters on the final structure, morphology and electrical properties of graphene were investigated in this work. Optical…”
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Use of coir pith particles in composites with Portland cement by Brasileiro, Gisela Azevedo Menezes, Vieira, Jhonatas Augusto Rocha, Barreto, Ledjane Silva

“…Brazil is the fourth largest world's producer of coconut (Cocos nucifera L.). Coconut crops generate several wastes, including, coir pith. Coir pith and short…”
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Anti-biofouling properties of graphene-based nanoadditives in cementitious mortars by Rolemberg Prudente, Isis Nayra, Campos dos Santos, Hericles, da Cunha Nascimento, Cristiane, Gimenez, Iara de Fátima, Santana Andrade, George Ricardo, Acchar, Wilson, Silva Barreto, Ledjane

“…Biofouling is a striking pathological manifestation in the facade elements that can impair the building aesthetics and compromise the integrity and durability…”
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Kinetic and calorimetric study of the adsorption of dyes on mesoporous activated carbon prepared from coconut coir dust by Macedo, Jeremias de Souza, da Costa Júnior, Nivan Bezerra, Almeida, Luis Eduardo, Vieira, Eunice Fragoso da Silva, Cestari, Antonio Reinaldo, Gimenez, Iara de Fátima, Villarreal Carreño, Neftali Lênin, Barreto, Ledjane Silva

“…Mesoporous activated carbon has been prepared from coconut coir dust as support for adsorption of some model dye molecules from aqueous solutions. The…”
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Morphology and thermal properties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/attapulgite nanocomposites by Thiré, Rossana Mara da Silva Moreira, Arruda, Liliane Cardoso, Barreto, Ledjane Silva

“…Poly(3-hydroxybutyrate-co-3-hydroxyvalcrate) - PHB V is a biodegradable polyester which has been studied as an option for the production of disposable goods…”
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Biomorphic activated porous carbons with complex microstructures from lignocellulosic residues by Macedo, Jeremias S., Otubo, Larissa, Ferreira, Odair Pastor, Gimenez, Iara de Fátima, Mazali, Italo Odone, Barreto, Ledjane Silva

“…Transformation of coir fibers, coir pith and coconut shell endocarp microstructures is described for the formation of activated carbons. The…”
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Modification of the La0.6Sr0.4CoO3 coating deposited on ferritic stainless steel by spray pyrolysis after oxidation in air at high temperature by de Angelis Korb, Matias, Savaris, Israel Durli, Feistauer, Eduardo Etzberger, Barreto, Ledjane Silva, Heck, Nestor Cezar, Müller, Iduvirges Lourdes, de Fraga Malfatti, Célia

“…The behaviour of La0.6Sr0.4CoO3 applied to ferritic stainless steel (AISI 430) by spray pyrolysis was investigated after oxidation at 800 °C in air. The film…”
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Sulfadiazine/hydroxypropyl-β-cyclodextrin host–guest system: Characterization, phase-solubility and molecular modeling by de Araújo, Márcia Valéria Gaspar, Vieira, Elze Kelly Barbosa, Silva Lázaro, Gilderman, Conegero, Leila Souza, Almeida, Luís Eduardo, Barreto, Ledjane Silva, da Costa, Nivan Bezerra, Gimenez, Iara F.

“…A 1:1 inclusion complex of sulfadiazine with hydroxypropyl β-cyclodextrin was prepared, characterized and modeled by RM1 and PM6 semiempirical methods…”
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Conductive carbon–clay nanocomposites from petroleum oily sludge by Andrade, Patricia Fernanda, Azevedo, Thiago Figueiredo, Gimenez, Iara F., Filho, Antonio Gomes Souza, Barreto, Ledjane Silva

“…Oily sludge samples formed in water–oil separation tanks from a petroleum industry were collected, characterized and heat-treated at different temperatures, in…”
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Inclusion complexes of pyrimethamine in 2-hydroxypropyl-β-cyclodextrin: Characterization, phase solubility and molecular modelling by de Araújo, Márcia Valéria Gaspar, Vieira, Elze Kelly Barbosa, Lázaro, Gilderman Silva, de Souza Conegero, Leila, Ferreira, Odair Pastor, Almeida, Luı´s Eduardo, Barreto, Ledjane Silva, da Costa, Nivan Bezerra, Gimenez, Iara F.

“…A 1:1 inclusion complex of pyrimethamine with hydroxypropyl β-cyclodextrin was prepared, characterized and modelled by AM1 method. Phase solubility and…”
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Influence of granitic aggregates from northeast Brazil on the alkali-aggregate reaction by Gomes Neto, David de Paiva, Conceição, Herbet, Lisboa, Vinícius Anselmo Carvalho, Santana, Rodrigo Soares de, Barreto, Ledjane Silva

“…The alkali-aggregate reaction (AAR) in concrete structures is a problem that has concerned engineers and researchers for decades. This reaction occurs when…”
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Interaction of pyrimethamine and sulfadiazine with ionic and neutral micelles: Electronic absorption and fluorescence studies by Lázaro, Gilderman Silva, Meneses, Adelmo Lima, Macedo, Osmir Fabiano Lopes de, Gimenez, Iara de Fátima, da Costa, Nivan Bezerra, Barreto, Ledjane Silva, Almeida, Luís Eduardo

“…The binding of two antitoxoplasmosis drugs, pyrimethamine (PYR) and sulfadiazine (SDZ) to cationic cetyltrimethylammonium chloride (CTAC), anionic sodium…”
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LaCrO3 composite coatings for AISI 444 stainless steel solid oxide fuel cell interconnects by Acchar, W, Barreto, L S, Paes, Junior H R, Cruz, C R, Feistauer, E E

“…Doped lanthanum chromite-based ceramics are the most widely used interconnect material in solid fuel cells (SOFC) since they exhibit significant electrical and…”
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Activation of alkali-silica reactivity under microwave action and passivation of reactive aggregate by treatment with lithium nitrate by Doria, Mariana Rezende, Barreto, Ledjane Silva

“…The alkali-silica reaction (ASR), developed in the presence of reactive mineral aggregates, is responsible for numerous cases of cracking and consequent…”
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Advancements in self-cleaning building materials: Photocatalysts, superhydrophobic surfaces, and biocides approaches by Prudente, Isis Nayra Rolemberg, Santos, Hericles Campos dos, Fonseca, Jander Lopes, Barreto, Ledjane Silva

“…In recent years, there has been a growing interest in developing self-cleaning materials, with the civil construction sector embracing this trend. Titanium…”
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Nanocrystalline apatite formation on bioactive glass in a sol–gel synthesis by Santos, Silmara Caldas, Barreto, Ledjane Silva, dos Santos, Euler Araujo

“…The goal of this study was to understand the process involved in the formation of a nanocrystalline apatite phase during bioglass formation via a sol–gel…”
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The role of calcium nitrate in early crystallization of hydroxyapatite and its effects on the bioactivity and protein adsorption of a 58S glass by Oliveira, Jéssica Fernanda Ribeiro, Filho, Ulisses Aparecido de Oliveira, Rocha, Ana Julia Silva, dos Santos, Hericles Campos, Barreto, Ledjane Silva, dos Santos, Euler Araujo

“…•The time at which calcium is added during sol-gel synthesis strongly affects the glass structure and microstructure.•Protein adsorption can be modulated by…”
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Influence of hydrothermal carbonization on formation of curved graphite structures obtained from a lignocellulosic precursor by Barin, Gabriela Borin, de Fátima Gimenez, Iara, da Costa, Luiz Pereira, Filho, Antônio Gomes Souza, Barreto, Ledjane Silva

“…In this letter we report the preparation of curved graphite structures from crude biomass by using hydrothermal carbonization followed by pyrolysis. High…”
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Graphene family (GFMs), carbon nanotubes (CNTs) and carbon black (CB) on smart materials for civil construction: Self-cleaning, self-sensing and self-heating by Prudente, Isis Nayra Rolemberg, Santos, Hericles Campos dos, Fonseca, Jander Lopes, de Almeida, Yslaine Andrade, Gimenez, Iara de Fátima, Barreto, Ledjane Silva

“…The development of building materials capable of combining structural features with additional functionalities is a modern demand for creating smart and…”
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Carbon fiber effect on the physico-mechanical and durability properties of a cement/coir pith composite by Mendonça, Michella Graziela Santos, Almeida, Tiago Silva de, Daniel, Carlos Raphael Araújo, Barreto, Ledjane Silva

“…Composites using renewable lightweight aggregates were produced with carbon fiber waste as reinforcement. The effects of the carbon fiber waste and high energy…”
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