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Browsing Artigos by Title

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  • Santana, G. P.; Fabris, J. D.; Goulart, A. T.; Santana, D. P. (Revista Brasileira de Ciência do Solo, 2001-01)
    The main objective of this work was to characterize the magnetic minerals and to identify their pedogenic transformation on a steatite-forming soil of Minas Gerais, Brazil. The iron-rich spinel phase was characterized by ...
  • Queiroz, Vagner T. de; Araújo, Ioná S.; Souza Filho, Gonçalo A. de; Pereira, Messias G.; Faleiro, Fábio G.; Guimarães, Cláudia T.; Moreira, Maurílio A.; Barros, Everaldo G. de; Machado, Regina C. R.; Pires, José L.; Schenell, Raymond; Lopes, Uilson V. (Plant Molecular Biology Reporter, 2009-06)
    Cocoa butter is an important raw material for the chocolate, pharmaceutical, and cosmetic industries. The butter content and quality in cocoa beans are genetically controlled characteristics, and affect its commercial value ...
  • Souza, Thálisson S.; Zanin, Hudson G.; Peterlevitz, Alfredo; Baranauskas, Vitor; Silva, Gilmare A. da; Reis, César; Reis, Efraim L.; Teófilo, Reinaldo F. (Química Nova, 2016-02)
    Electrodegradation of atrazine in water was performed using homemade (PA and PB) and purchased (PC) boron-doped diamond anodes. The degradation was monitored off-line by analyzing total organic carbon and high performance ...
  • Varejão, Eduardo V. V.; Bellato, Carlos R.; Fontes, Maurício P. F. (Environmental Monitoring and Assessment, 2008-09-11)
    The Iron Quadrangle (IQ) region, located in the state of Minas Gerais, has been the most important gold producing area in Brazil since the end of seventeenth century. The use of mercury for gold amalgamation in small scale ...
  • Jordão, C. P.; Pereira, M. G.; Pereira, J. L. (Water, Air, and Soil Pollution, 2002-10)
    In order to evaluate the metal contamination from kaolin industry discharges into rivers in the State of Minas Gerais, Brazil, samples of river water and fluvial sediment were collected up- and down-river from the industries ...
  • Barbosa, Luiz Cláudio de Almeida; Silvério, Flaviano Oliveira; Gomide, José Lívio; Reis, Fernando Pinheiro; Piló-Veloso, Dorila (Revista Árvore, 2006-09-03)
    Neste trabalho foi avaliado o teor de extrativos em madeiras de eucalipto, por meio de extrações com acetona, mistura de tolueno:etanol (2:1), clorofórmio e diclorometano. As maiores porcentagens de extrativos totais foram ...
  • Barbosa, Aparecida Mageste; Santos, Igor José Boggione; Ferreira, Guilherme Max Dias; Silva, Maria do Carmo Hespanhol da; Teixeira, Alvaro Vianna Novaes de Carvalho; Silva, Luis Henrique Mendes da (The Journal of Physical Chemistry B, 2010-09-23)
    The effect of different ionic cosolutes (NaCl, Na2SO4, Li2SO4, NaSCN, Na2[Fe(CN)5NO], and Na3[Co(NO)6]) on the interaction between sodium dodecyl sulfate (SDS) and poly(ethylene oxide) (PEO) was examined by small-angle ...
  • Costa, Anna I. G.; Queiroz, Maria Eliana L. R.; Neves, Antônio A.; Assis, Roberta C. de; Soares, Carlos E. S. dos; Silva, Antônio A. da; D’Antonino, Leonardo; Oliveira, André F. de; Bellato, Carlos R. (Environmental Science and Pollution Research, 2014-09-23)
    A method has been optimized and validated for the determination of fomesafen in soils using solid–liquid extraction with low-temperature partitioning (SLE/LTP) and analysis by liquid chromatography with a high-efficiency ...
  • Vinhal, Jonas O.; Lage, Mateus R.; Carneiro, Jose Walkimar M.; Lima, Claudio F.; Cassella, Ricardo J. (Journal of Environmental Management, 2015-06-01)
    We studied the adsorption of paraquat onto polyurethane foam (PUF) when it was in a medium containing sodium dodecylsulfate (SDS). The adsorption efficiency was dependent on the concentration of SDS in solution, because ...
  • Reis, César; Reis, Efraim Lázaro; Silva, Claudinei Alves da (RECIE, 2006-01)
    Extração com água quente é o procedimento mais frequentemente usado na etapa inicial da determinação do boro disponível em solos. Por outro lado é um procedimento difícil de padronizar, consome tempo e a rotina usada é ...
  • Queiroz, Paula Viana; Tavares, Gabriella Peterlini; Soares, Filippe Elias de Freitas; Kasuya, Maria Catarina Megumi; Queiroz, José Humberto de; Santos, Fernando Almeida; Cardoso, Wilton Soares (Brazilian Journal of Microbiology, 2018-10)
    The multi-enzyme complex (crude extract) of white rot fungi Pleurotus ostreatus, Pleurotus eryngii, Trametes versicolor, Pycnosporus sanguineus and Phanerochaete chrysosporium were characterized, evaluated in the hydrolysis ...
  • Costa, Deyse G.; Capaz, Rodrigo B.; Henrique, Fábio J. F. S.; Oliveira, Felipe L.; Esteves, Pierre M. (Carbon, 2018-09)
    A new family of carbon allotropes, called n-diamondynes, is proposed based on the insertion of acetylide units between the sp3-hybridized carbon atoms of diamond. We perform density-functional theory calculations in order ...
  • Nain-Perez, Amalyn; Barbosa, Luiz C.A.; Rodríguez-Hernández, Diego; Kramell, Annemarie E.; Heller, Lucie; Csuk, René (Bioorganic & Medicinal Chemistry Letters, 17-01-28)
    In this study, we explore the cytotoxic activity of four natural abenquines (2a–d) and fourteen synthetic analogues (2e–j and 3a–h) against a panel of six human cancer cell lines using a SRB assay. It was found that most ...
  • Santos, Marcelo H. dos; Santos, Jorge A. N.; Kondo, Márcia Y.; Freitas, Renato F.; Ramalho, Teodorico C.; Assis, Diego M.; Juliano, Luiz; Juliano, Maria A.; Puzer, Luciano (Bioorganic & Medicinal Chemistry Letters, 2016-03-01)
    The human tissue kallikreins (KLK1–KLK15) comprise a family of 15 serine peptidases detected in almost every tissue of the human body and that actively participate in many physiological and pathological events. Some ...
  • Santos, Marcelo H.; Lage, Mateus R.; Morbec, Juliana M.; Carneiro, José Walkimar de M.; Costa, Luciano T. (Journal of Molecular Modeling, 2017-03-30)
    The quantum theory of atoms in molecules (QTAIM) and density functional theory (DFT) calculations were employed to investigate the structure and tautomeric equilibrium of epiclusianone, a polyisoprenylated benzophenone ...
  • Teixeira, Róbson Ricardo; Ricardo, Róbson; Oliveira, Ana Flávia Costa da Silveira; Silva, Adalberto Manoel da; Oliveira, André Silva de; Silva, Milene Lopes da; Silva, Cynthia Cânedo da; Paula, Sérgio Oliveira de (Molecules, 2014-06-17)
    Dengue is a neglected disease responsible for 22,000 deaths each year in areas where it is endemic. To date, there is no clinically approved dengue vaccine or antiviral for human beings, even though there have been great ...
  • Varejão, Jodieh O.S.; Barbosa, Luiz C.A.; Ramos, Gabriela Álvarez; Varejão, Eduardo V.V.; King-Díaz, Beatriz; Lotina-Hennsen, Blas (Journal of Photochemistry and Photobiology B:, 2015-03-01)
    Natural products called rubrolides have been investigated as a model for the development of new herbi- cides that act on the photosynthesis apparatus. This study comprises a comprehensive analysis of the photosynthesis ...
  • Andrade, Carlos Eduardo O.; Oliveira, André F.; Neves, Antônio A.; Queiroz, Maria Eliana L.R. (Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2016-06-06)
    EDTA is an important ligand used in many industrial products as well as in agriculture, where it is employed to assist in phytoextraction procedures and the absorption of nutrients by plants. Due to its intensive use and ...
  • Sato, André G.; Silva, Gabriel C.D.; Paganin, Valdecir A.; Biancolli, Ana L.G.; Ticianelli, Edson A. (Journal of Power Sources, 2015-10-30)
    Although ethanol can be directly employed as fuel on polymer-electrolyte fuel cells (PEMFC), its low oxidation kinetics in the anode and the crossover to the cathode lead to a substantial reduction of energy conversion ...
  • Vidigal, Antonio E. C.; Rubinger, Mayura M. M.; Queiroz, Luan F. de; Silva, Lucas F. da; Zambolim, Laércio; Guilardi, Silvana; Souza, Rafael A. C.; Ellena, Javier; Wetler, Emiliana B.; Oliveira, Marcelo R. L. (Inorganica Chimica Acta, 2019-02-24)
    Nickel(II) complexes of general formula [Ni(RSO2N = CS2)(PPh3)2] (2a–h) or [Ni(RSO2N = CS2)dppe] (3a–h), where R = methyl (a), ethyl (b), butyl (c), octyl (d), phenyl (e), 4-isopropylphenyl (f), 4-tert-butylphenyl (g), ...

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