Search Results - "Renê Chagas da Silva"

Electrochemically reduced graphene oxide films from Zn-C battery waste for the electrochemical determination of paracetamol and hydroquinone by Silva, Rafael Matias, Sperandio, Gabriel Henrique, da Silva, Alexsandra Dias, Okumura, Leonardo Luiz, da Silva, Renê Chagas, Moreira, Renata Pereira Lopes, Silva, Tiago Almeida

“…Contributing to the development of sustainable electroanalytical chemistry, electrochemically reduced graphene oxide (ERGO) films obtained from residual…”
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Leaf surface traits related to differential particle adsorption – A case study of two tropical legumes by Andrade, Guilherme Carvalho, Santana, Brenda Vila Nova, Rinaldi, Mirian Cilene Spasiani, Ferreira, Sukarno Olavo, Silva, Renê Chagas da, Silva, Luzimar Campos da

“…We aimed to test a set of epidermal traits in two legume species with contrasting chemical, physical, and micromorphological leaf-surface features to assess…”
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Green tea infusion prevents diabetic nephropathy aggravation in recent-onset type 1 diabetes regardless of glycemic control by Ladeira, Luiz Carlos Maia, dos Santos, Eliziária Cardoso, Santos, Talita Amorim, da Silva, Janaina, Lima, Graziela Domingues de Almeida, Machado-Neves, Mariana, da Silva, Renê Chagas, Freitas, Mariella Bontempo, Maldonado, Izabel Regina dos Santos Costa

“…Green tea, traditionally used as antidiabetic medicine, positively affects the diabetic nephropathy. It was assumed that these beneficial effects were due to…”
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Monoterpenes etherification reactions with alkyl alcohols over cesium partially exchanged Keggin heteropoly salts: effects of catalyst composition by da Silva, Márcio José, Lopes, Neide Paloma Goncalves, Ferreira, Sukarno Olavo, da Silva, Rene Chagas, Natalino, Ricardo, Chaves, Diego Morais, Texeira, Milena Galdino

“…In this work, cesium partially exchanged Keggin heteropolyacid (HPA) salts were prepared, characterized, and evaluated as solid catalysts in monoterpenes…”
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Bone char: characterization and agronomic application as an alternative source of phosphorus by Gustavo Franco de Castro, Valber Georgio de Oliveira Duarte, Fabiane Carvalho Ballotin, Brunno Cesar Pereira Rocha, Igor Franco Rezende, Edson Marcio Mattiello, Lucas Pereira Ribeiro do Vale, Gustavo Soares de Oliveira, Renê Chagas da Silva, Jairo Tronto

“…ABSTRACT Alternative materials can be used to reduce reliance on mining for P-based fertilizers. In this sense, the pyrolysis process of bovine bones produces…”
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Glycerol Esterification over Sn(II)-Exchanged Keggin Heteropoly Salt Catalysts: Effect of Thermal Treatment Temperature by Chaves, Diego Morais, Ferreira, Sukarno Olavo, Chagas da Silva, Rene, Natalino, Ricardo, José da Silva, Márcio

“…In this work, Sn­(II)-exchanged Keggin heteropoly acid salts were evaluated as solid catalysts in glycerol esterification reactions with acetic acid. All the…”
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Tin(II) phosphotungstate heteropoly salt: An efficient solid catalyst to synthesize bioadditives ethers from glycerol by Da Silva, Márcio José, Julio, Armanda Aparecida, Ferreira, Sukarno Olavo, Da Silva, Rene Chagas, Chaves, Diego Morais

“…[Display omitted] •We report a solid bifunctional acid catalyst: Sn3/2PW12O40 heteropoly salts.•An almost complete conversion of glycerol to tert-butyl ethers…”
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Low-cost electrochemical sensor for ciprofloxacin antibiotic based on green-synthesized silver nanoparticles and carbon black by Meireles, Laís Muniz, Silva, Rafael Matias, da Silva, Renê Chagas, Okumura, Leonardo Luiz, Moreira, Renata Pereira Lopes, Silva, Tiago Almeida

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One‐pot hydrothermal biochar obtained from malt bagasse waste as an electrode‐modifying material towards the stripping voltammetric sensing of lead by Dias da Silva, Alexsandra, Silva, Aline Aparecida dos Santos, Silva, Renê Chagas, Moreira, Renata Pereira Lopes, Silva, Tiago Almeida

“…Pb2+ ions are highly toxic to living beings because they tend to bioaccumulate in the body. For this reason, the development of simpler, low‐cost, and…”
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Vanadium-doped sodium phosphomolybdate salts as catalysts in the terpene alcohols oxidation with hydrogen peroxide by Vilanculo, Castelo Bandane, da Silva, Márcio José, Rodrigues, Alana Alves, Ferreira, Sukarno Olavo, da Silva, Rene Chagas

“…In this work, we have explored the catalytic activity of Keggin-type heteropolyanions PMo 12− n V n O 40 (3+ n )− ( n = 0, 1, 2, or 3) in the form of sodium…”
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Evaluation of the Activity of Potassium Dodecatungstate Salts in Alcohol Oxidation Reactions: Cobalt(II), Cobalt(III), or Silicon(IV) as the Heteroatom by da Silva, Márcio José, da Silva Andrade, Pedro Henrique, Silva, Tiago Almeida, Diniz, Mariana Beatriz Teixeira, Ferreira, Sukarno Olavo, da Silva, Renê Chagas, de Araujo, Eduardo Nery Duarte

“…Silicotungstic acid potassium salts had the silicon heteroatom substituted by Co(III) or Co(II) cations and were evaluated as catalysts in oxidation reactions…”
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Successful synthesis of eco-friendly Metal-Organic framework ([Ni(BDC)]n) allows efficient extraction of multiresidues pesticides and dyes from fish samples by de Jesus, Jemmyson Romário, Soares Ribeiro, Iare, Passos de Carvalho, Jéssica, Luiz Alves de Oliveira, Kleryton, Pereira Lopes Moreira, Renata, Chagas da Silva, Renê

“…[Display omitted] •An eco-friendly MOF, namely [Ni(BDC)]n, was successfully produced.•Multivariate optimization reveals ideal conditions for extracting…”
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Impact of Early Arsenic Exposure on the Mineral Content and Oxidative Status of the Liver and Kidney of Pubescent and Adult Rats by Couto-Santos, Felipe, Guimarães-Ervilha, Luiz Otávio, Carvalho, Renner Philipe Rodrigues, Bastos, Daniel Silva Sena, Souza, Ana Cláudia Ferreira, da Silva, Renê Chagas, de Oliveira, Leandro Licursi, de Oliveira, Juraci Alves, Machado-Neves, Mariana

“…This study evaluated the effect of prepubertal arsenic exposure in the liver and kidney of pubescent rats and their reversibility 30 days after arsenic…”
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What is the most effective analytical method for quantification and identification of microplastics in contaminated soils? by da Silva Brochado, Maura Gabriela, de Noronha, Bruno Gomes, da Costa Lima, Alessandro, Guedes, Allana Grecco, da Silva, Renê Chagas, dos Santos Dias, Denise Cunha Fernandes, Mendes, Kassio Ferreira

“…The increasing concern over microplastics (MPs) contamination in agricultural soils due to excessive plastic use is a worldwide concern. The objective of this…”
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Using native plants to evaluate urban metal pollution and appoint emission sources in the Brazilian Steel Valley region by Andrade, Guilherme Carvalho, Santana, Brenda Vila Nova, Rinaldi, Mirian Cilene Spasiani, Ferreira, Sukarno Olavo, da Silva, Renê Chagas, da Silva, Luzimar Campos

“…In southeastern Brazil, the city of Ipatinga is inserted in the Steel Valley Metropolitan Region, which hosts the largest industrial complex for flat-steel…”
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Producing Activated Biochar from the Reuse of Discarded Coffee Grounds with Enhanced Adsorptive Features Explored Towards the Stripping Voltammetric Sensing of Copper (II) by Santos de Castro, Bruna, Miranda de Freitas, Caroline Piccoli, Moura Guimarães, Luciano, Chagas da Silva, Renê, Santos Renato, Natália, Almeida Silva, Tiago

“…This work aims to allocate coffee grounds waste to the production of biochar from pyrolysis under different temperatures (350 °C and 500 °C), to add value to…”
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Impacts of Sn(II) doping on the Keggin heteropolyacid-catalyzed etherification of glycerol with tert-butyl alcohol by da Silva, Márcio José, Chaves, Diego Morais, ferreira, Sukarno Olavo, da Silva, Rene Chagas, Gabriel Filho, Jose Balena, Bruziquesi, Carlos Giovani Oliveira, Al-Rabiah, Abdulrahman A.

“…[Display omitted] •H3-xSnx/2PMo12O40-catalyzed glycerol etherification was assessed (x = 0.0, 1.0, 2.0, 3.0).•Analyses of TG/DSC, EDS/MEV, BET, DRX…”
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Cesium‐Exchanged Lacunar Keggin Heteropolyacid Salts: Efficient Solid Catalysts for the Green Oxidation of Terpenic Alcohols with Hydrogen Peroxide by Batalha, Daniel Carreira, Ferreira, Sukarno Olavo, Silva, Rene Chagas, Silva, Márcio José

“…In this work, an innovative and green oxidative process to convert renewable and abundant raw material to more value‐added fine chemicals was developed…”
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Assessment of the metal exchanged phosphomolybdic acid salt-catalyzed nerol oxidation reactions with hydrogen peroxide by Rodrigues, Alana Alves, da Silva, Márcio J., Ferreira, Sukarno Olavo, da Silva, Rene Chagas, Silva, Tiago Almeida, de Araújo, Eduardo Nery Duarte

“…•Metal-exchanged phosphomolybdic acid salts were the catalysts assessed.•AlPMo12O40 was the most active and selective catalyst in oxidation reactions.•Although…”
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How the Cobalt Position in the Keggin Anion Impacts the Activity of Tungstate Catalysts in the Furfural Acetalization with Alkyl Alcohols by Silva, Marcio José, Andrade da Silva, Pedro Henrique, Ferreira, Sukarno Olavo, Silva, Rene Chagas, Brusiquezi, Carlos Giovani Oliveira

“…Keggin heteropolyacids (HPAs) comprise a class of versatile catalysts, which have properties that can be easily adjusted through modification in their…”
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