Search Results - "Rafael Melo Freire"

Thermoeconomic evaluation of three proposals for the energy cogeneration unit powered by natural gas, biogas, or syngas by de Melo Freire, Rafael Magalhães, Santos, Alex Álisson Bandeira, Almeida, Antônio Gabriel Souza

“…This study uses thermoeconomic analyses to compare proposed cogeneration units that use alternative internal combustion engines operating with three possible…”
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Estimation of the Fracture Probability Parameters for Specimens Made by JIS SM490A Steel by Freire, Rafael Magalhães de Melo, Aihara, Shuji, Shinohara, Armando Hideki, Yoshizu, Shuhei, Mesquita, Petrônio Barros

“…This work established the fracture probability equation for JIS SM490A steel using the computational model supported by the local approach and the standard…”
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High Catalytic Activity of Nitrogen-Containing Carbon from Molecular Sieves in Fine Chemistry by Freire, Rafael Melo, de Morais Batista, Andressa Hellen, de Souza Filho, Antonio Gomes, Filho, Josué Mendes, Saraiva, Gilberto Dantas, Oliveira, Alcineia Conceição

“…Nanostructured nitrogen-containing carbon (CNs) were prepared by nanocasting techniques using MCM-41, MCM-22, and FAU molecular sieves. The surface and…”
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Single particle investigation of triolein digestion using optical manipulation, polarized video microscopy, and SAXS by Manca, Marco, Zhang, Chi, Vasconcelos de Melo Freire, Rafael, Scheffold, Frank, Salentinig, Stefan

“…Hypothesis: Understanding how soft colloids, such as food emulsion droplets, transform based on their environment is critical for various applications,…”
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Damage assessment for steel structures subjected to cyclic pre-strain Part2: SEM in-situ observations clarifying the effect of stress state on damage evolution during plastic deformation by Kawabata, Tomoya, Magalhães de Melo Freire, Rafael, Oie, Naoya

“…•Triaxial tensile test machine developed for in-situ SEM testing.•Cross-shaped specimens show more significant damage than uniaxial.•Slip deformation model…”
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Hydroxyapatite-Based Magnetic Bionanocomposite as Pharmaceuticals Carriers in Chitosan Scaffolds by Anderson Valério Chaves, Rafael Melo Freire, Victor Pinheiro Feitosa, Nágila Maria Pontes Silva Ricardo, Juliano Casagrande Denardin, Davino Machado Andrade Neto, Pierre Basílio Almeida Fechine

“…Hydroxyapatite (HA) is a bioceramic very similar to the mineral component of bones and teeth. It is well established that osteoblasts grow better onto…”
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Fluorescence Based Platform to Discriminate Protein Using Carbon Quantum Dots by Carneiro Cruz, Antônio Alvernes, Freire, Rafael Melo, Froelich, Deise Beatriz, Alves de Lima, Ari Clesius, Muniz, André Rodrigues, Ferreira, Odair Pastor, Fechine, Pierre Basílio Almeida

“…There is an urgent demand to develop a cheap, fast and robust methodology to sense proteins, since these biomolecules are often used as biomarker responsible…”
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From Magneto-Dielectric Biocomposite Films to Microstrip Antenna Devices by Fernando Lima de Menezes, Davino Machado Andrade Neto, Maria do Livramento Linhares Rodrigues, Helder Levi Silva Lima, Denis Valony Martins Paiva, Marcelo Antônio Santos da Silva, Lillian Maria Uchôa Dutra Fechine, Antônio Sérgio Bezerra Sombra, Rafael Melo Freire, Juliano Casagrande Denardin, Morsyleide de Freitas Rosa, Men de Sá Moreira de Souza Filho, Selma Elaine Mazzetto, Pierre Basílio Almeida Fechine

“…Magneto-dielectric composites are interesting advanced materials principally due to their potential applications in electronic fields, such as in microstrip…”
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Ductility loss of a metastable austenitic stainless steel and its TIG weldment due to hydrogen embrittlement at low temperatures considering the effect of pre-strain at 4K by Rafael Magalhaes De Melo Freire, Uranaka, Shohei, Tochigi, Eita, Kimura, Mitsuo, Kawabata, Tomoya

“…The amount of martensite in austenitic stainless steels produced during plastic deformation at low temperatures is related to the reduction in hydrogen…”
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Doped Carbon Quantum Dots/PVA Nanocomposite as a Platform to Sense Nitrite Ions in Meat by Carneiro, Samuel Veloso, Oliveira, José Joelson Pires, Rodrigues, Vivian Stephanie Ferreira, Fechine, Lillian Maria Uchoa Dutra, Antunes, Renato Altobelli, Neto, Manoel Lourenço Alves, de Moura, Thiago Alves, César, Carlos Lenz, de Carvalho, Hernandes Faustino, Paschoal, Alexandre Rocha, Freire, Rafael Melo, Fechine, Pierre Basílio Almeida

“…A sensor device based on doped-carbon quantum dots is proposed herein for detection of nitrite in meat products by fluorescence quenching. For the sensing…”
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FeCo@hydrochar nanocomposites as efficient peroxymonosulfate activator for organic pollutant degradation by de Menezes, Fernando Lima, Freire, Tiago Melo, do Nascimento, Carlos Pedro Gonçalves, Fechine, Lillian Maria Uchôa Dutra, da Costa, Victor Moreira, Freire, Rafael Melo, Longhinotti, Elisane, do Nascimento, José Heriberto Oliveira, Denardin, Juliano Casagrande, Fechine, Pierre Basílio Almeida

“…Sulfate radical–based advanced oxidation processes (SR-AOPs) are renowned for their exceptional capacity to degrade refractory organic pollutants due to their…”
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L-cysteine-coated magnetite nanoparticles as a platform for enzymes immobilization: Amplifying biocatalytic activity of Candida antarctica Lipase A by de Menezes, Fernando Lima, Freire, Tiago Melo, de Castro Monteiro, Rodolpho Ramilton, Antunes, Renato Altobelli, Melo, Rafael Leandro Fernandes, Freire, Rafael Melo, dos Santos, José Cleiton Sousa, Fechine, Pierre Basílio Almeida

“…•Sonochemistry was employed to synthesize cysteine-coated magnetite, enabling versatile enzyme immobilization.•Fe3O4@LC-CALA nanoparticles have an approximate…”
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De novo design of bioactive phenol and chromone derivatives for inhibitors of Spike glycoprotein of SARS-CoV-2 in silico by Lima, Joan Petrus Oliveira, da Fonseca, Aluísio Marques, Marinho, Gabrielle Silva, da Rocha, Matheus Nunes, Marinho, Emanuelle Machado, dos Santos, Helcio Silva, Freire, Rafael Melo, Marinho, Emmanuel Silva, de Lima-Neto, Pedro, Fechine, Pierre Basílio Almeida

“…This work presents the synthesis of 12 phenol and chromone derivatives, prepared by the analogs, and the possibility of conducting an in silico study of its…”
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