Search Results - "Ribeiro, Alexandre Antunes"

Development, Characterization and In Vitro Biological Properties of Scaffolds Fabricated From Calcium Phosphate Nanoparticles by Morejón, Lizette, Delgado, José Angel, Antunes Ribeiro, Alexandre, Varella de Oliveira, Marize, Mendizábal, Eduardo, García, Ibrahim, Alfonso, Adrián, Poh, Patrina, van Griensven, Martijn, Balmayor, Elizabeth R

“…Ceramic materials mimic the mineral composition of native bone and feature osteoconductive properties; they are therefore used to regenerate bone tissue. Much…”
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Effect Investigation of Ammonium Bicarbonate and Polyethylene Wax as Pore-Forming Agents on the Physicochemical Properties of Macroporous Biphasic Calcium Phosphate Bioceramics Processed by Space-Holder Technique by Ribeiro, Alexandre Antunes, Balbuena, Omayra Beatriz Ferreiro, Lima, Andreza Menezes, Alves, Lais de Souza, Monteiro, Magna Maria, Oliveira, Marize Varella de, Pereira, Luiz Carlos

“…The effect of ammonium bicarbonate (AB) and polyethylene wax (PW) on the physicochemical properties of macroporous biphasic calcium phosphate bioceramics…”
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Post-agricultural succession in the fallow swiddens of Southeastern Brazil by Pereira Cabral Gomes, Eduardo, Sugiyama, Marie, Fernandes de Oliveira Junior, Clóvis José, Medeiros Prado, Helbert, Antunes Ribeiro Filho, Alexandre, Adams, Cristina

“…•Wide variation in composition and structure between swiddens of the same age.•Species abundance was higher in fallow swiddens than in natural landslide…”
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Hydroxyapatite deposition study through polymeric process on commercially pure Ti surfaces modified by laser beam irradiation by Ribeiro, Alexandre Antunes, Marques, Rodrigo Fernando Costa, Guastaldi, Antônio Carlos, de Carvalho Campos, João Sinézio

“…Many techniques have been used to coat metallic substrate with bioceramics. The aim of this study was to study the physical-chemical characteristics of…”
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Characterization of PVDF/HAP composites for medical applications by Braga, Francisco José Correa, Rogero, Sizue Ota, Couto, Antônio Augusto, Marques, Rodrigo Fernando Costa, Ribeiro, Alexandre Antunes, Campos, João Sinézio de Carvalho

“…Biomaterials (composites and blends) play a major role in the health of modern society. The preparation and characterisation of polyvinylidene fluoride (PVDF)…”
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The impacts of shifting cultivation on tropical forest soil: a review by Ribeiro Filho, Alexandre Antunes, Adams, Cristina, Murrieta, Rui Sergio Sereni

“…The sustainability of shifting cultivation is presently a topic of debate in scientific and institutional communities; however, there is no current consensus…”
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Produtividade agrícola e mudanças socioculturais: a agricultura quilombola no Vale do Ribeira-SP Brasil by Ianovali, Daniela, Adams, Cristina, Ribeiro Filho, Alexandre Antunes, Khatounian, Carlos Armênio

“…O sistema agrícola itinerante (SAI), uma das formas mais antigas de agricultura, ainda é praticado pelas comunidades quilombolas do Vale do Ribeira-SP, mesmo…”
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Demineralized dentin matrix technique - a comparison of different demineralizing solutions by Heggendorn, Fabiano Luiz, Nascimento, Márcio Batista do, Lima, Andreza Menezes, Ribeiro, Alexandre Antunes

“…Abstract This study aimed to evaluate the microstructure formed after the chemical treatment of teeth, for the development of autogenous grafts from the…”
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Sintering parameters study of a biphasic calcium phosphate bioceramic synthesized by alcoholic sol-gel technique by Ferreiro Balbuena, Omayra Beatriz, Santos Paiva, Lilian Fernanda, Ribeiro, Alexandre Antunes, Monteiro, Magna Maria, Varella de Oliveira, Marize, Pereira, Luiz Carlos

“…In the sintering of biphasic calcium phosphate bioceramics (BCP) can occur phases transformations accompanied by a sudden thermal expansion due to different…”
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The effect of pores and connections geometries on bone ingrowth into titanium scaffolds: an assessment based on 3D microCT images by Moreira, Anderson Camargo, Fernandes, Celso Peres, Oliveira, Marize Varella de, Duailibi, Monica Talarico, Ribeiro, Alexandre Antunes, Duailibi, Silvio Eduardo, Kfouri, Flávio de Ávila, Mantovani, Iara Frangiotti

“…In order to support bone tissue regeneration, porous biomaterial implants (scaffolds) must offer chemical and mechanical properties, besides favorable fluid…”
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Study of the influence of titanium and niobium particle size on the Ti35Nb alloy production with controlled porosity by Goulart, Francis Faria, Ribeiro, Alexandre Antunes, Way, Débora Vieira, Alves, Lais de Souza, Nunes, Carlos Angelo, Ferreira, Lucas Moreira, Balestra, Roseli Marins

“…ABSTRACT The present work is a continuation of the research carried out in a previous work, with the aim of improving the production of Ti35Nb alloy by…”
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Composição florística da floresta ciliar do rio Mandassaia, Parque Nacional da Chapada Diamantina, Bahia, Brasil by Ribeiro-Filho, Alexandre Antunes, Funch, Ligia Silveira, Rodal, Maria Jesus Nogueira

“…Realizou-se o levantamento das angiospermas presentes em um trecho de floresta ciliar, adjacente ao rio Mandassaia (12°33′S e 41°25′W), pertencente à bacia…”
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Characterization of Ti-35Nb alloy surface modified by controlled chemical oxidation for surgical implant applications by Silva, Rodrigo Sacramento da, Ribeiro, Alexandre Antunes

“…ABSTRACT Titanium-Niobium alloys have been studied for biomedical applications due to their satisfactory biocompatibility. In order to improve the long-term…”
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Study of the porous Ti35Nb alloy processing parameters for implant applications by de Oliveira, Cristyane Silva Santos, Griza, Sandro, de Oliveira, Marize Varella, Ribeiro, Alexandre Antunes, Leite, Mônica Barreto

“…Porous titanium alloys have been used for bone-replacement implants because they possess an excellent combination of physical properties and outstanding…”
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A chemical patterning approach of dense and porous titanium surfaces by using a combination of concentrated acid and oxidant by Ribeiro, Alexandre Antunes, Silva, Rodrigo Sacramento da, Way, Débora Vieira, Alves, Lais de Souza, Silveira, Erika Batista, Mendes, Fabiana Magalhães Teixeira, Oliveira, Marize Varella de

“…ABSTRACT Commercially dense pure titanium sheets and porous titanium samples processed by powder metallurgy were treated with a mixture consisting of equal…”
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Produção e caracterização de óxido de grafeno e óxido de grafeno reduzido com diferentes tempos de oxidação by Faria, Géssica Seara, Lima, Andreza Menezes, Brandão, Luiz Paulo, Costa, Alberto Pessoa da, Nardecchia, Stefania, Ribeiro, Alexandre Antunes, Pinheiro, Wagner Anacleto

“…RESUMO Neste trabalho foram preparadas dispersões aquosas de óxido de grafeno (GO) e óxido de grafeno reduzido (rGO), em diferentes tempos de oxidação, com o…”
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Produção e caracterização de óxido de grafeno e óxido de grafeno reduzido com diferentes tempos de oxidação by Faria, Géssica Seara, Lima, Andreza Menezes, Brandão, Luiz Paulo, Costa, Alberto Pessoa da, Nardecchia, Stefania, Ribeiro, Alexandre Antunes, Pinheiro, Wagner Anacleto

“…RESUMO Neste trabalho foram preparadas dispersões aquosas de óxido de grafeno (GO) e óxido de grafeno reduzido (rGO), em diferentes tempos de oxidação, com o…”
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Dynamics of the soil fertility in quilombola shifting cultivation communities of the Atlantic Rainforest, Brazil by Ribeiro Filho, Alexandre Antunes, Adams, Cristina, Manfredini, Sidneide, Munari, Lucia Chamlian, Da Silva Junior, Joaquim Alves, Ianovali, Daniela, Barbosa, Jomar Magalhães, Barreiros, André Mateus, Neves, Walter Alves

“…Shifting cultivation systems (SCS) are currently restricted to tropical areas. The classical nutrient flow model for SCS considers increasing soil fertility…”
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A POLINIZAÇÃO MANUAL DO CUPUAÇUZEIRO (Theobroma grandiflorum) by Giorgini Augusto VENTURIERI, Alexandre Antunes RIBEIRO FILHO

“…O cupuaçu (Theobroma grandiflorum,Sterculiaceae) é uma frutífera da Amazônia usada na fabricação de sucos, sorvetes, doces e chocolate. A sua popularidade vem…”
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Composição florística da floresta ciliar do rio Mandassaia, Parque Nacional da Chapada Diamantina, Bahia, Brasil by Ribeiro-Filho, Alexandre Antunes, Funch, Ligia Silveira, Rodal, Maria Jesus Nogueira

“…RESUMO Realizou-se o levantamento das angiospermas presentes em um trecho de floresta ciliar, adjacente ao rio Mandassaia (12º33'S e 41º25'W), pertencente à…”
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