Search Results - "Neves, Roberta"

The influence of silane surface modification on microcrystalline cellulose characteristics by Neves, Roberta Motta, Ornaghi, Heitor Luiz, Zattera, Ademir José, Amico, Sandro Campos

“…[Display omitted] •Silanized microcristallyne cellulose were study in this paper.•The best APTES/MCC ratios was determined.•Samples showed an independence of…”
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Enhancing thermal and dynamic‐mechanical properties of epoxy reinforced by amino‐functionalized microcrystalline cellulose by Motta Neves, Roberta, Zattera, Ademir José, Campos Amico, Sandro

“…In this study, microcrystalline cellulose (MCC) was chemically modified with 3‐(aminopropyl)triethoxysilane and added to epoxy to improve chemical, thermal and…”
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Extracellular vesicles shed by Trypanosoma cruzi are linked to small RNA pathways, life cycle regulation, and susceptibility to infection of mammalian cells by Garcia-Silva, Maria R, Cura das Neves, Roberta Ferreira, Cabrera-Cabrera, Florencia, Sanguinetti, Julia, Medeiros, Lia C, Robello, Carlos, Naya, Hugo, Fernandez-Calero, Tamara, Souto-Padron, Thais, de Souza, Wanderley, Cayota, Alfonso

“…The protozoan parasite Trypanosoma cruzi has a complex life cycle characterized by intracellular and extracellular forms alternating between invertebrate and…”
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Characterization of polystyrene nanocomposites and expanded nanocomposites reinforced with cellulose nanofibers and nanocrystals by Neves, Roberta Motta, Lopes, Kirk Silveira, Zimmermann, Matheus Vinicius Gregory, Poletto, Matheus, Zattera, Ademir José

“…Expanded nanocomposite production is an evolutionary and emerging technology in the field of porous materials, because it’s characterized by combining the…”
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Grafting amount and structural characteristics of microcrystalline cellulose functionalized with different aminosilane contents by Motta Neves, Roberta, Ornaghi, Heitor Luiz, Duchemin, Benoit, Zattera, Ademir José, Campos Amico, Sandro

“…Microcrystalline cellulose (MCC) has unique properties and its use as reinforcement for polymer composites has been increasing. However, the intrinsic…”
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Trypanosoma cruzi-secreted vesicles have acid and alkaline phosphatase activities capable of increasing parasite adhesion and infection by Neves, Roberta F. C, Fernandes, Anne C. S, Meyer-Fernandes, José R, Souto-Padrón, Thais

“…Trypanosoma cruzi virulence factors include molecules expressed on the cell surface as well as those secreted or shed into the extracellular medium…”
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Thermal and dynamic mechanical behavior of epoxy composites reinforced with post‐consumed yerba mate by Neves, Roberta Motta, Vanzetto, Andrielen Braz, Lazzari, Lídia Kunz, Zattera, Ademir José

“…Yerba mate (YM) is widely consumed in Latin American countries, and its residues can be used as bio‐resources such as reinforced in epoxy composites. The…”
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Bio-Based Rigid Polyurethane Foam Composites Reinforced with Bleached Curauá Fiber by Członka, Sylwia, Fischer Kerche, Eduardo, Motta Neves, Roberta, Strąkowska, Anna, Strzelec, Krzysztof

“…This study aims to evaluate the influence of using a bleached Curauá fiber (CF) as filler in a novel rigid polyurethane foam (RPUF) composite. The influence of…”
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Prediction of Bending Properties for 3D-Printed Carbon Fibre/Epoxy Composites with Several Processing Parameters Using ANN and Statistical Methods by Monticeli, Francisco M, Neves, Roberta M, Ornaghi, Jr, Heitor L, Almeida, Jr, José Humberto S

“…The effects of processing parameters on conventional molding techniques are well-known. However, the fabrication of a carbon fibre (CF)/epoxy composite via…”
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Using an artificial neural network (ANN) for prediction of thermal degradation from kinetics parameters of vegetable fibers by Monticeli, Francisco M., Neves, Roberta Motta, Ornaghi Júnior, Heitor Luiz

“…Vegetal fibers are prominent reinforcements for polymer composite materials, considering their properties and application possibilities. In particular, thermal…”
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Mechanisms involved in thermal degradation of lignocellulosic fibers: a survey based on chemical composition by Ornaghi, Heitor L., Ornaghi, Felipe G., Neves, Roberta M., Monticeli, Francisco, Bianchi, Otávio

“…The aim of this study was to determine the Arrhenius parameters and degradation mechanism for each component of biomass, including extractives, water,…”
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A systematic review on high‐performance fiber‐reinforced 3D printed thermoset composites by Monticeli, Francisco M., Neves, Roberta M., Ornaghi, Heitor L., Almeida, José Humberto S.

“…High‐performance fiber‐reinforced thermoset composites processed by additive manufacturing (3D printing) are attracting substantial attention in both academic…”
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Chemical composition and acaricidal activity of the essential oils from Vitex agnus-castus L. (Verbenaceae) and selected monoterpenes by Neves, Roberta C S, Camara, Claudio A G da

“…Tetranychus urticae is considered one of the main plagues in the world. Its occurrence in Pernambuco was registered for the first time in 1985 and it has…”
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Gene Expression Changes Induced by Trypanosoma cruzi Shed Microvesicles in Mammalian Host Cells : Relevance of tRNA-Derived Halves by Garcia-Silva, Maria R., Cabrera-Cabrera, Florencia, Cura das Neves, Roberta Ferreira, Souto-Padrón, Thaís, de Souza, Wanderley, Cayota, Alfonso

“…At present, noncoding small RNAs are recognized as key players in novel forms of posttranscriptional gene regulation in most eukaryotes. However, canonical…”
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Creep behavior of polyetherimide semipreg and epoxy prepreg composites: Structure vs. property relationship by Reis, Ana Karoline dos, Monticelli, Francisco Maciel, Neves, Roberta Motta, de Paula Santos, Luis Felipe, Botelho, Edson Cocchieri, Luiz Ornaghi Jr, Heitor

“…In the present study, the creep behavior of polyetherimide semipreg and epoxy prepreg composites was studied using dynamic mechanical analyzer and focused on…”
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Pyrolysis Decomposition Kinetics of Microcrystalline Cellulose and Curaua Fiber: Insight of Reaction Models by Using Vyazovkin Method by Ornaghi, Heitor, Motta Neves, Roberta, Monticeli, Francisco, Bianchi, Otavio

“…This paper provides a full understanding of the pyrolysis mechanism of plant biomass (curaua) and cellulose - two materials that involve complex degradation…”
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The influence of fabric architecture on impregnation behavior and void formation: Artificial neural network and statistical‐based analysis by Monticeli, Francisco M., Almeida, José Humberto S., Neves, Roberta M., Ornaghi, Heitor L., Trochu, François

“…This work proposes an approach combining artificial neural networks (ANN) with statistical models to predict injection processing conditions for four…”
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A study on adsorption isotherm and kinetics of petroleum by cellulose cryogels by Lazzari, Lídia K., Zampieri, Vitória B., Neves, Roberta M., Zanini, Márcia, Zattera, Ademir J., Baldasso, Camila

“…The development of cellulose aerogels for the adsorption of petroleum becomes interesting due to the cellulose being obtained from biomasses, thus being a…”
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Time-temperature behavior of carbon/epoxy laminates under creep loading by Ornaghi, Heitor L., Almeida, José Humberto S., Monticeli, Francisco M., Neves, Roberta M., Cioffi, Maria Odila H.

“…The time-temperature creep behavior of advanced composite laminates is herein determined through a comprehensive set of experiments and analytical modeling. A…”
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Structure versus Property Relationship of Hybrid Silk/Flax Composites by Ornaghi, Heitor L., Neves, Roberta M., Dall Agnol, Lucas, Kerche, Eduardo, Lazzari, Lidia K.

“…The increasing demand for environmental and sustainable materials has motivated efforts to fabricate biocomposites as alternatives to conventional synthetic…”
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