Search Results - "Assunção, Rosana M. N."

Characterization and use of Moringa oleifera seeds as biosorbent for removing metal ions from aqueous effluents by Araújo, Cleide S T, Alves, Vanessa N, Rezende, Hélen C, Almeida, Ione L S, de Assunção, Rosana M N, Tarley, César R T, Segatelli, Mariana G, Coelho, Nivia M Melo

“…Moringa oleifera seeds were investigated as a biosorbent for removing metal ions from aqueous effluents. The morphological characteristics as well as the…”
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A cellulose monolithic stir bar for sorptive extraction of glycerol from biodiesel by Martins, Pablo H. S, Barros, Maria A, Silva, Caroline L, Ricci, Poliana, Castilho, Laís M. B, Santos, Allyson L. R, Rodrigues, Hugo S, Assunção, Rosana M. N, Faria, Anizio M

“…This work presents an eco-friendly approach for determining free glycerol in biodiesel samples, using a cellulose monolith stir bar in the sorptive extraction…”
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3D Filaments Based on Polyhydroxy Butyrate—Micronized Bacterial Cellulose for Tissue Engineering Applications by Celestino, Matheus F., Lima, Lais R., Fontes, Marina, Batista, Igor T. S., Mulinari, Daniella R., Dametto, Alessandra, Rattes, Raphael A., Amaral, André C., Assunção, Rosana M. N., Ribeiro, Clovis A., Castro, Guillermo R., Barud, Hernane S.

“…In this work, scaffolds based on poly(hydroxybutyrate) (PHB) and micronized bacterial cellulose (BC) were produced through 3D printing. Filaments for the…”
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Blend compatibility of waste materials-Cellulose acetate (from sugarcane bagasse) with polystyrene (from plastic cups): Diffusion of water, FTIR, DSC, TGA, and SEM study by Meireles, Carla da Silva, Filho, Guimes R., de Assunção, Rosana M. N., Zeni, Mara, Mello, Kátia

“…In this article, the compatibility of blends produced from recycled materials—cellulose acetate (from sugarcane bagasse) and polystyrene (from plastic…”
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Square-Wave Voltammetry as Analytical Tool for Real-Time Study of Controlled Naproxen Releasing from Cellulose Derivative Materials by Fonseca, Wilson T., Santos, Rodrigo F., Alves, Janainne N., Ribeiro, Sabrina D., Takeuchi, Regina M., Santos, André L., Assunção, Rosana M. N., Filho, Guimes R., Muñoz, Rodrigo A. A.

“…This work reports the successful use of square‐wave voltammetry (SWV) to directly assess the controlled releasing profile of naproxen from lab‐made cellulose…”
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Low‐cost conductive films based on graphite and cellulose acetate as promising electroanalytical platforms by Paixão, Guilherme A., Souza, Thaís G., Pradela Filho, Lauro A., Ferreira, Marcos V., Takeuchi, Regina M., Assunção, Rosana M. N., Kikuti, Elaine

“…Conducting films were produced by incorporating 35, 50, and 60 wt.%. of graphite in cellulose acetate. The graphite contents showed to be of pivotal importance…”
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Thermal Decomposition Kinetics of Ibuprofen and Naproxen Drugs Incorporated in Cellulose Acetate Matrices by Ferreira, Marcos V., Filho, Lauro A. Pradela, Takeuchi, Regina M., Assunção, Rosana M. N.

“…The suitable combination of active pharmaceutical molecules and polymer matrices is a key factor for the development of systems for controlled release. The…”
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Preparation and characterization of methylic and ethylic biodiesel from cottonseed oil and effect of tert-butylhydroquinone on its oxidative stability by Fernandes, David M., Serqueira, Dalyelli S., Portela, Flaysner M., Assunção, Rosana M.N., Munoz, Rodrigo A.A., Terrones, Manuel G.H.

“…► Methylic and ethylic biodiesels were obtained from cottonseed oil. ► Both biodiesel presented similar physical–chemical properties. ► The addition of…”
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Chemically Modified Polyvinyl Chloride for Removal of Thionine Dye (Lauth's Violet) by Ali, Helena Ma A M M S, Silva, Cleuzilene V, Royer, Betina, Rodrigues Filho, Guimes, Cerqueira, Daniel A, Assunção, Rosana M N

“…The chemical modification of hydrophobic polymer matrices is an alternative way to elchange their surface properties. The introduction of sulfonic groups in…”
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Controlled release of drugs from cellulose acetate matrices produced from sugarcane bagasse: monitoring by square-wave voltammetry by Rodrigues Filho, Guimes, Almeida, Flávia, Ribeiro, Sabrina D., Tormin, Thiago F., Muñoz, Rodrigo A. A., Assunção, Rosana M. N., Barud, Hernane

“…In this paper, cellulose triacetate (CTA) was produced from sugarcane bagasse and used as matrices for controlled release of paracetamol. Symmetric and…”
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MODIFICAÇÃO QUÍMICA DO POLIPROPILENO ATRAVÉS DA INTRODUÇÃO DE GRUPOS SULFÔNICOS PARA APLICAÇÃO COMO CATALISADOR EM REAÇÕES DE ESTERIFICAÇÃO by Bárbara N. Aud, Giovani A. Lourenço, Lynicker Y. O. Dourado, Rosana M. N. Assunção

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Synthesis and characterization of microcrystalline cellulose produced from bacterial cellulose by de Oliveira, Rafael Leite, da Silva Barud, Hernane, de Assunção, Rosana M. N., da Silva Meireles, Carla, Carvalho, Geandre Oliveira, Filho, Guimes Rodrigues, Messaddeq, Younes, Ribeiro, Sidney José Lima

“…In this study, microcrystalline cellulose (MCC) was prepared from the acid hydrolysis of bacterial cellulose (BC) produced in culture medium of static…”
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Synthesis and Characterization of Methylcellulose Produced from Bacterial Cellulose under Heterogeneous Condition by Oliveira, Rafael L., Vieira, Júlia G., Barud, Hernane S., Assunção, Rosana M. N., Rodrigues Filho, Guimes, Ribeiro, Sidney J. L., Messadeqq, Younes

“…In this work, methylcellulose (MC) was produced from bacterial cellulose (BC), using dimethyl sulfate in a 3 h (MC3h) or 5 h (MC5h) reaction under…”
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Stationary phase based on cellulose dodecanoate physically immobilized on silica particles for high-performance liquid chromatography by Vieira, Andressa T., Assunção, Rosana M.N., Faria, Anizio M.

“…•Thermal immobilization of cellulose on silica derivative without chemical agents.•Stationary phase with characteristic retention from cellulose and dodecanoyl…”
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Synthesis and characterization of methylcellulose from cellulose extracted from mango seeds for use as a mortar additive by Vieira, Júlia G., Rodrigues Filho, Guimes, Meireles, Carla da S., Faria, Fernanda A. C., Gomide, Dayane D., Pasquini, Daniel, Cruz, Sebastião F. da, Assunção, Rosana M. N. de, Motta, Leila A. de C.

“…Methylcellulose was produced from the fibers of Mangifera indica L. Ubá mango seeds. MCD and MCI methylcellulose samples were made by heterogeneous…”
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AVALIAÇÃO DO PERFIL DE LIBERAÇÃO DO FÁRMACO IBUPROFENO EM MEMBRANAS SIMÉTRICAS E ASSIMÉTRICAS DE ACETATO DE CELULOSE: EFEITO DA MORFOLOGIA by Ferreira, Marcos, Pradela Filho, Lauro, Santos, André, Takeuchi, Regina, Assunção, Rosana

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Synthesis, characterization, and application of the sodium poly(styrenesulfonate) produced from waste polystyrene cups as an admixture in concrete by de Assunção, Rosana M. N., Royer, Betina, Oliveira, Juliana S., Rodrigues Filho, Guimes, de Castro Motta, Leila A.

“…Wasted polystyrene (PS) plastic cups were used in the synthesis of sodium poly(styrenesulfonate) (NaPSS). The produced polyelectrolyte was water‐soluble. The…”
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Thermal behavior of cellulose acetate produced from homogeneous acetylation of bacterial cellulose by Barud, Hernane S., de Araújo Júnior, Adalberto M., Santos, Daniele B., de Assunção, Rosana M.N., Meireles, Carla S., Cerqueira, Daniel A., Rodrigues Filho, Guimes, Ribeiro, Clóvis A., Messaddeq, Younes, Ribeiro, Sidney J.L.

“…Cellulose acetate (CA) is one of the most important cellulose derivatives and its main applications are its use in membranes, films, fibers, plastics and…”
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Synthesis and characterization of methylcellulose from sugar cane bagasse cellulose by Viera, Rose G.P., Filho, Guimes Rodrigues, de Assunção, Rosana M.N., S. Meireles, Carla da, Vieira, Júlia G., de Oliveira, Grasielle S.

“…In the present paper, methylcellulose was produced from cellulose extracted of sugar cane bagasse, using dimethyl sulfate in heterogeneous conditions. The…”
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Regenerated cellulose scaffolds: Preparation, characterization and toxicological evaluation by de Araújo Júnior, Adalberto M., Braido, Guilherme, Saska, Sybele, Barud, Hernane S., Franchi, Leonardo P., Assunção, Rosana M.N., Scarel-Caminaga, Raquel M., Capote, Ticiana S.O., Messaddeq, Younès, Ribeiro, Sidney J.L.

“…Regenerated cellulose scaffolds (RCS) may be used as alloplastic materials for tissue repair. In this work, the RCS were obtained by viscose process and…”
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