Search Results - "Nascimento, Nívia"

Polymer-Decorated Cellulose Nanocrystals as Environmentally Friendly Additives for Olefin-Based Drilling Fluids by Pinheiro, José Aurélio, Marques, Nívia do Nascimento, Villetti, Marcos Antônio, Balaban, Rosangela de Carvalho

“…In this study, we intended to evaluate the performance of olefin-based drilling fluids after addition of cellulose nanocrystal (CNC) derivatives. For this…”
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Hydrophobically modified carboxymethylcellulose: additive for aqueous drilling fluids under low and high temperature conditions by de Lima, Bruna Luiza Batista, do Nascimento Marques, Nívia, de Souza, Elessandre Alves, de Carvalho Balaban, Rosangela

“…The use of additives from renewable sources in drilling fluids has received special attention due to crescent environmental regulations. At the same time,…”
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Phenol removal from wastewater using eco‐friendly hybrid hydrogels by Dutra, Mariana Alves Leite, Marques, Nívia do Nascimento, Souza Filho, Men de Sá Moreira de, Balaban, Rosangela de Carvalho

“…The intent of this study was to evaluate the ability of low‐cost polyacrylamide/starch hybrid hydrogels in removing organic pollutants from wastewater, using…”
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Temperature and pH effects on the stability and rheological behavior of the aqueous suspensions of smart polymers based on N-isopropylacrylamide, chitosan, and acrylic acid by do Nascimento Marques, Nívia, Curti, Priscila Schroeder, da Silva Maia, Ana Maria, Balaban, Rosangela de Carvalho

“…This study describes the stability and rheological behavior of suspensions of poly(N‐isopropylacrylamide) (PNIPAM), poly(N‐isopropylacrylamide)‐chitosan…”
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HPAM‐g‐PEOPPO: Rheological modifiers in aqueous media of high temperature and high ionic strength by de Lima, Bruna Luiza Batista, Marques, Nívia do Nascimento, Villetti, Marcos Antônio, Balaban, Rosangela de Carvalho

“…ABSTRACT Partially hydrolyzed polyacrylamide (HPAM) is widely used as thickener in enhanced oil recovery (EOR), but the high temperature and salinity of oil…”
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Chemical variation and analysis of diterpenes from seaweed Dictyota menstrualis under controlled conditions by Obando, Johana Marcela Concha, dos Santos, Thalisia Cunha, Bernardes, Marcelo, Nascimento, Nívia, Villaça, Roberto Campos, Teixeira, Valéria Laneuville, Barbarino, Elisabete, Cavalcanti, Diana Negrão

“…Brown algae are a rich source of valuable compounds. The Dictyota species are resources tapped to obtain diterpenes with important bioactivities, that seem to…”
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ECO-FRIENDLY hybrid hydrogels for detection of phenolic RESIDUES in water using SERS by Dutra, Mariana Alves Leite, Marques, Nívia do Nascimento, Fernandes, Rafael da Silva, de Souza Filho, Men de Sá Moreira, Balaban, Rosangela de Carvalho

“…Herein is presented a simple and sensible method to determine organic pollutants in water, based on the utilization of silver nanoparticles (AgNPs) loaded in…”
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Carboxymethylcellulose Grafted to Amino-Terminated Poly(N-isopropylacrylamide): Preparation, Characterization and Evaluation of the Thermoassociative Behaviour at Low Concentrations by do Nascimento Marques, Nívia, de Lima, Bruna Luiza Batista, de Carvalho Balaban, Rosangela

“…Summary Amino‐terminated poly(N‐isopropylacrylamide) (PNIPAM‐NH2) was synthesized by free‐radical polymerization in water by using the redox pair potassium…”
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Effect of Starch Laurate Addition on the Properties of Mango Kernel Starch Films by Carvalho, Laura Gabriela Gurgel de, Marques, Nívia do Nascimento, Fernandes, Rafael da Silva, Villetti, Marcos Antônio, Souza Filho, Men de Sá Moreira de, Balaban, Rosangela de Carvalho

“…Abstract In this work, starch obtained from mango kernel seeds was applied in the preparation of films in combination with its hydrophobic derivatives…”
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Water-soluble carboxymethylchitosan used as corrosion inhibitor for carbon steel in saline medium by Macedo, Ruza Gabriela Medeiros de Araújo, Marques, Nívia do Nascimento, Tonholo, Josealdo, Balaban, Rosangela de Carvalho

“…•The performance of carboxymethylchitosan (CMC) as corrosion inhibitor was studied.•CMC showed good properties as corrosion inhibitor in media containing…”
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Polyacrylamide and polyethylenimine mixed hydrogels tailored with crude glycerol for conformance fluids: Gelation performance and thermal stability by Câmara, Paulo César França da, Morais, Stéphanie Cavalcante de, Marques, Nívia do Nascimento, de Souza, Elessandre Alves, Gasparotto, Luiz Henrique da Silva, Balaban, Rosangela de Carvalho

“…[Display omitted] •Crude glycerol was combined with PAM and PEI to produce long term stable gels.•The incorporation of crude glycerol enhanced thermal…”
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Dimer fatty acid and fatty amide effects on the properties of synthetic-based drilling fluids by Vasconcelos, Aline Nascimento, Paixão, Marcus Vinicius Gomes, Marques, Nívia do Nascimento, Lima, Bruna Luiza Batista de, Sousa, Elessandre Alves de, Balaban, Rosangela de Carvalho

“…•A specific fatty amide was synthesized and characterized.•Dimer fatty acid and fatty amide were applied in synthetic-based drilling fluids.•Flat-rheology…”
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A Review on Atmospheric Analysis Focusing on Public Health, Environmental Legislation and Chemical Characterization by Gioda, Adriana, Beringui, Karmel, Justo, Elizanne P. S., Ventura, Luciana M. B., Massone, Carlos G., Costa, Silvânio Silvério Lopes, Oliveira, Sidimar Santos, Araujo, Rennan Geovanny Oliveira, Nascimento, Nivia de M., Severino, Hemmely Guilhermond S., Duyck, Christiane B., de Souza, Jefferson Rodrigues, Saint Pierre, Tatiana D.

“…Atmospheric pollution has been considered one of the most important topics in environmental science once it can be related to the incidence of respiratory…”
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Influence of laboratory conditions on two species Dictyotaceae family (Phaeophyceae): Diterpenoid profile and physiological response by Obando, Johana Marcela Concha, dos Santos, Thalisia Cunha, Fortes, Rafael da Rocha, Bernardes, Marcelo, Nascimento, Nívia, Villaça, Roberto Campos, Teixeira, Valeria Laneuville, Barbarino, Elisabete, Cavalcanti, Diana Negrão

“…The seaweed Dictyotaceae family has a great wealth of diterpenes with important biological activities. Information on these diterpenes qualitative and…”
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Study of the thermoassociative process in carboxymethylcellulose derivatives by Pereira, Bruno Henrique de Albuquerque, Marques, Nívia do Nascimento, Lima, Bruna Luiza Batista de, Villetti, Marcos Antônio, Balaban, Rosangela de Carvalho

“…This paper studies the synthesis and characterization of two grafted copolymers with thermoresponsive properties, consisting of amino terminated poly(ethylene…”
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Development of dual-sensitive smart polymers by grafting chitosan with poly (N-isopropylacrylamide): an overview by Marques, Nívia do Nascimento, Maia, Ana Maria da Silva, Balaban, Rosangela de Carvalho

“…AbstractA great deal of research on polymers over the past two decades has been focused on the development of stimuli-responsive polymers to obtain materials…”
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Versatile hydrolyzed polyacrylamide-polyethyleneimine gels reinforced with glycerol for plugging and abandonment of oil wells by de Morais, Stéphanie Cavalcante, do Nascimento Marques, Nivia, da Câmara, Paulo César França, de Souza, Elessandre Alves, de Carvalho Balaban, Rosangela

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Uso de Biomarcadores geoquímicos como traçadores de efluentes domésticos em cultivo de vieira Nodipecten nodosus by Soares, Jéssica de Medeiros, Andrade, Antoni Felipe Oliveira, Vasques, Ricardo O’reilly, Rocha, Bruno Cesar Silva, Nascimento, Nívia de Mello, Machado, Wilson Thadeu Valle, Bernardes, Marcelo Corrêa

“…As vieiras são organismo amplamente cultivados e utilizados como bioindicadores da qualidade ambiental. As amostras analisadas são provenientes de uma fazenda…”
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Caracterização e avaliação do comportamento termorresponsivo de fibras de Ecovio®/ PNIPAAm eletrofiadas by Pascoalino, Liege Aguiar, Souza, Ricardo Luiz de, Marques, Nívia do Nascimento, Curti, Priscila Schroeder

“…RESUMO Neste trabalho foram obtidas fibras eletrofiadas de blendas de Ecovio® e de poli(N-isopropilacrilamida) de alta massa molar (Ecovio®/PNIPAAm AMM) e de…”
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