Search Results - "Viana, Bartolomeu C."

Structural and electrochemical properties of babassu coconut mesocarp-generated activated carbon and few-layer graphene by Ghosh, Anupama, Razzino, Claudia do Amaral, Dasgupta, Archi, Fujisawa, Kazunori, Vieira, Laís Helena S., Subramanian, Shruti, Costa, Rubens S., Lobo, Anderson O., Ferreira, Odair P., Robinson, Joshua, Terrones, Mauricio, Terrones, Humberto, Viana, Bartolomeu C.

“…Activated Carbon (AC) with high specific surface area and elevated porosity was synthesized from babassu mesocarp by hydrothermal carbonization, followed by…”
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Effect of pH on the growth and ibuprofen photocatalytic response of Zn1 − xCoxO compound synthesized by the co-precipitation method by Soares, Adriano S., Araujo, Francisca P., França, Robson, Osajima, Josy A., Guerra, Yuset, Castro-Lopes, Samuel, Silva-Filho, Edson C., Santos, Francisco E., Almeida, Luciano C., Viana, Bartolomeu C., Peña-Garcia, Ramón R.

“…Herein, we have investigated the influence of pH on the structural, optical, morphological properties and ibuprofen photocatalytic response of Co-doped ZnO…”
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Green Synthesis of Er-Doped ZnO Nanoparticles: An Investigation on the Methylene Blue, Eosin, and Ibuprofen Removal by Photodegradation by Silva, Marília C R, Castro-Lopes, Samuel, Jerônimo, Aimée G, Barbosa, Ricardo, Lins, Alexsandro, Trigueiro, Pollyana, Viana, Bartolomeu C, Araujo, Francisca P, Osajima, Josy A, Peña-Garcia, Ramón R

“…We present a study on the green synthesis of undoped and Er-doped ZnO compounds using gum (MI). A set of tests were conducted to assess the structure of the…”
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Biochar Obtained from Caryocar brasiliense Endocarp for Removal of Dyes from the Aqueous Medium by Melo, André L F C, Carneiro, Marcelo T, Nascimento, Ariane M S S, Morais, Alan I S, Bezerra, Roosevelt D S, Viana, Bartolomeu C, Osajima, Josy A, Silva-Filho, Edson C

“…Given the increase in environmental pollution, especially of water, the emergence of studies that seek to develop strategies to mitigate/treat such effects…”
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Study of Structural and Optical Properties of Titanate Nanotubes with Erbium under Heat Treatment in Different Atmospheres by Rodrigues, Gelson L C, Oliveira, Tainara G de, Gusmão, Suziete B S, Ferreira, Odair P, Vasconcelos, Thiago L, Guerra, Yuset, Milani, Raquel, Peña-Garcia, Ramón, Viana, Bartolomeu C

“…Titanate nanotubes were synthesized and subjected to an ion exchange reaction with erbium salt aqueous solution to obtain titanate nanotubes exchanged with…”
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Substrate-Induced Changes on the Optical Properties of Single-Layer WS2 by Araujo, F. D. V., Silva, F. W. N., Zhang, T., Zhou, C., Lin, Zhong, Perea-Lopez, Nestor, Rodrigues, Samuel F., Terrones, Mauricio, Souza Filho, Antônio Gomes, Alencar, R. S., Viana, Bartolomeu C.

“…Among the most studied semiconducting transition metal dichalcogenides (TMDCs), WS2 showed several advantages in comparison to their counterparts, such as a…”
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Rotary-jet spun polycaprolactone/nano-hydroxyapatite scaffolds modified by simulated body fluid influenced the flexural mode of the neoformed bone by Vasconcellos, Luana M. R., Elias, Conceição de M. V., Minhoto, Giovanna B., Abdala, Julia M. A., Andrade, Telmo M., de Araujo, Juliani C. R., Gusmão, Suziete Batista Soares, Viana, Bartolomeu C., Marciano, Fernanda R., Lobo, Anderson O.

“…Polycaprolactone (PCL) is a biocompatible, biodegradable synthetic polymer which in combination with nanohydroxyapatite (nHAp) can give rise to a low cost,…”
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Alkali metal intercalated titanate nanotubes: A vibrational spectroscopy study by Viana, Bartolomeu C., Ferreira, Odair P., Filho, Antonio G. Souza, Hidalgo, Angel A., Filho, Josué Mendes, Alves, Oswaldo L.

“…Alkali metal (Li+, Na+, K+) intercalated titanate nanotubes have been studied by vibrational spectroscopy (Raman and FT-infrared), X-ray diffraction, and…”
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Amino-Functionalized Titanate Nanotubes: pH and Kinetic Study of a Promising Adsorbent for Acid Dye in Aqueous Solution by Sales, Débora A, Lima, Paloma N. S, Silva, Lucinaldo S, Marques, Thalles M. F, Gusmão, Suziete B. S, Ferreira, Odair P, Ghosh, Anupama, Guerra, Yuset, Morais, Alan Í. S, Bezerra, Roosevelt D. S, Silva-Filho, Edson C, Viana, Bartolomeu C

“…This work reports the functionalization of sodium titanate nanotubes with amine groups obtained from the reaction of titanate nanotubes with…”
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Correction: Carmo et al. Effects of the Incorporation of Distinct Cations in Titanate Nanotubes on the Catalytic Activity in NOx Conversion. Materials 2021, 14, 2181 by Carmo, José Vitor C. do, Lima, Cleanio L., Mota, Gabriela, Santos, Ariane M. S., Costa, Ludyane N., Ghosh, Anupama, Viana, Bartolomeu C., Silva, Monique, Soares, João M., Tehuacanero-Cuapa, Samuel, Lang, Rossano, Oliveira, Alcineia C., Rodríguez-Castellón, Enrique, Rodríguez-Aguado, Elena

“…In the original publication, there was a mistake in Figure 1 as published [...]…”
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Effects of the Incorporation of Distinct Cations in Titanate Nanotubes on the Catalytic Activity in NOx Conversion by Carmo, José Vitor C. do, Lima, Cleanio L., Mota, Gabriela, Santos, Ariane M. S., Costa, Ludyane N., Ghosh, Anupama, Viana, Bartolomeu C., Silva, Monique, Soares, João M., Tehuacanero-Cuapa, Samuel, Lang, Rossano, Oliveira, Alcineia C., Rodríguez-Castellón, Enrique, Rodríguez-Aguado, Elena

“…Effects of the incorporation of Cr, Ni, Co, Ag, Al, Ni and Pt cations in titanate nanotubes (NTs) were examined on the NOx conversion. The structural and…”
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Chemical and mineral comparison of fossil insect cuticles from Crato Konservat Lagerstätte, Lower Cretaceous of Brazil by Bezerra, Francisco Irineudo, da Silva, João H., Miguel, Emílio de Castro, Paschoal, Alexandre R., Nascimento, Daniel R., Freire, Paulo T. C., Viana, Bartolomeu C., Mendes, Márcio

“…The Crato Formation palaeoentomofauna from the Lower Cretaceous (Aptian) of northeast Brazil is extremely well preserved. Crato insects are often complete with…”
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Na-TiNT Nanocrystals: Synthesis, Characterization, and Antibacterial Properties by Agressott, Enzo V. H., Oliveira, Mauro M., Freitas, Thiago S., Pereira, Raimundo L. S., Silva, Ana R. P., Cruz, Rafael P., Santos, Antonia T. L., Teixeira, Alexandre M. R., Oliveira, Tainara G., da Silva, João H., Paschoal, Alexandre R., Viana, Bartolomeu C., Freire, Paulo de Tarso C., Siyadatpanah, Abolghasem, Wilairatana, Polrat, Coutinho, Henrique D. M.

“…Titanium nanotubes have attractive morphological and physicochemical properties for several applications, such as high surface area, mesoporous structure, good…”
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Understanding the role of dye in colorful thermoplastic film under visible light by Araujo, Francisca P., Honorio, Luzia Maria C., Viana, Bartolomeu C., Silva-Filho, Edson C., Silva, Francisco W. N., Furtini, Marcelo B., Silva Araujo, Monica R., Souza, João S. N., Osajima, Josy A.

“…Polystyrene is a thermoplastic that is widely used in industry to manufacture of various materials. In this work, the objective was to investigate the effect…”
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Nanohydroxyapatite/Titanate Nanotube Composites for Bone Tissue Regeneration by Gusmão, Suziete B S, Ghosh, Anupama, de Menezes, Alan S, Pereira, Antônio F M, Lopes, Miriam T P, Souza, Madaline K, Dittz, Dalton, Abreu, Guilherme J P, Pinto, Lucielma S S, Maia Filho, Antônio L M, Gusmão, Gustavo O M, Webster, Thomas J, Lobo, Anderson O, Viana, Bartolomeu C

“…Strategies for the production of new nanocomposites that promote bone tissue regeneration are important, particularly those that enhance the osteoinduction of…”
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Oxidation states and occupation sites of Fe and Cu ions in the Y3Fe5−xCuxO12, (0.00 ≤ x ≤ 0.05) compound synthesized via sol gel method by Leal, L., Matilla-Arias, J., Guerra, Y., Oliveira, Carla S., Castro-Lopes, S., Viana, Bartolomeu C., Abreu, G., Mariño-Castellanos, P., Santos, F., Peña-Garcia, R.

“…This paper presents an experimental and theoretical study on the oxidation states and occupation sites of Fe and Cu ions in the Y3Fe5−xCuxO12, (0.00 ≤…”
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Crystal structure and magnetic properties of the Y2.97Gd0.03Fe5−xLaxO12 compound: an experimental and theoretical investigation by Gonçalves, M., Matilla-Arias, J., Penha-Caland, J., Vilca-Huayhua, C., Coaquira, J. A. H., Guerrero, F., Guerra, Y., Viana, Bartolomeu C., Peña-Garcia, Ramón R.

“…In the present work, we have investigated the crystal structure and magnetic properties of the Y 2.97 Gd 0.03 Fe 5− x La x O 12 (Gd-La co-doped YIG) compound…”
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Titanate nanotubes and their magnetic properties: Effect of ion exchange and calcination temperature by Oliveira, Tainara G., Guerra, Yuset, Araujo-Barbosa, Suzana, Gusmão, Suziete B. S., Lobo, Anderson O., Silva-Filho, Edson C., Santos, Francisco Eroni P., Peña-Garcia, R., Viana, Bartolomeu C.

“…Transition magnetic metals (Fe, Ni, Co) were inserted into sodium titanate nanotubes subjected to calcination. In the calcination process at 400 °C, the…”
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Preferential site occupancy of Ni ions and oxidation state of Fe ions in the YIG crystal structure obtained by sol-gel method by Caland, J.P., Medrano, Cynthia P.C., Caytuero, A., Baggio-Saitovitch, E., Litterst, F.J., Soares, João M., Cabrera-Baez, M., Padrón-Hernández, E., Marques, T., Guerra, Y., Viana, Bartolomeu C., Santos, F.E.P., Peña-Garcia, R.

“…In this work, we present a study about the preferential site occupancy of Ni ions and the oxidation state of Fe ions in the yttrium iron garnet (YIG) crystal…”
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Efficient photocatalytic degradation of diclofenac drug using the Zn1-x-yPrxAlyO photocatalyst under UV light irradiation by Martins, Emanoel, Trigueiro, Pollyana, Jerônimo, Aimée G., Barbosa, Ricardo, Neves, Luan, Sales, Débora A., Almeida, Luciano C., Viana, Bartolomeu C., Soares, Adriano S., Peña-Garcia, Ramón R.

“…Herein, we report the efficient photocatalytic degradation of the diclofenac drug using the Zn 1-x-y Pr x Al y O photocatalyst [x, y] = (0.00, 0.00), (0.03,…”
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