Search Results - "Vasconcelos, Wander Luiz"

Mechanical Behavior of Tubular Freeze-Cast Substrates with Organized Pore Structure by Sousa, Bruno Maciel, Athayde, Daniel Dornellas, Vasconcelos, Wander Luiz

“…Abstract Despite the high potential of the freeze-casting technique for production of porous inorganic substrates, there is a lack of studies on tubular…”
Get full text

Synthetic Aluminosilicates for Geopolymer Production by Pereira, Mariana Arruda, Vasconcelos, Daniela C. Leite, Vasconcelos, Wander Luiz

“…The use of geopolymer has been studied as a potential substitute for Portland cement due to lower CO2 emission and improvements on structural properties. Some…”
Get full text

Smectite organofunctionalized with thiol groups for adsorption of heavy metal ions by de Mello Ferreira Guimarães, Angela, Ciminelli, Virgínia Sampaio T., Vasconcelos, Wander Luiz

“…The structural characteristics as well as the binding capacity of the functionalized bentonite from Campina Grande (PB), Brazil, were investigated. The sample…”
Get full text

Importance of the Order of Addition of the Alumina Precursor and its Type Into Al-SBA-15 Mesoporous Materials for Use as Water Adsorbents by Ribeiro, Jéssica de Oliveira Notório, Vasconcelos, Daniela Cordeiro Leite, Vasconcelos, Wander Luiz

“…In the present report, Al-SBA mesoporous materials were investigated for use as water adsorbents. Different precursors for aluminum were investigated: aluminum…”
Get full text

Synthesis and characterization of poly (vinyl alcohol) hydrogels and hybrids for rMPB70 protein adsorption by Reis, Elizabeth Fonseca dos, Campos, Fábia S., Lage, Andrey Pereira, Leite, Romulo Cerqueira, Heneine, Luiz Guilherme, Vasconcelos, Wander Luiz, Lobato, Zelia Ines Portela, Mansur, Herman Sander

“…Polyvinyl alcohol (PVA), PVA crosslinked with glutaraldehyde hydrogels (PVA/GA), PVA with tetraethylorthosilicate (PVA/TEOS) and PVA/GA/TEOS hybrids with…”
Get full text

Development of Silica-Based Monoliths for the Capture of CO2 by Alves, Andressa Aparecida, Ribeiro, Jéssica de Oliveira Notório, Vasconcelos, Wander Luiz

“…The synthesis of mesoporous materials in macroscopic scale, as for example, the monoliths, has been of great interest in view of the wide range of applications…”
Get full text

Production and Characterization of a Silica-Alumina Membrane Using Novel Tubular Freeze-Cast Substrates by Athayde, Daniel Dornellas, Dolabella, Ana Clara Amado, Dias, Bruno Cunha, Sousa, Bruno Maciel, Silva, Débora Guimarães da, Vasconcelos, Daniela Cordeiro Leite, Vasconcelos, Wander Luiz

“…Development of new ceramic membranes has recently grown due to its superior thermal and mechanical stability. An interesting approach to manufacture asymmetric…”
Get full text

Evaluation of the impact of cluster formation in a direct reduction shaft furnace through numerical simulation by Alencar, Jean Philippe Santos Gherardi de, Pereira, Bruno Amaral, Castro, José Adilson de, Resende, Valdirene Gonzaga de, Vasconcelos, Wander Luiz

“…Abstract The Direct Reduction (DR) process has been growing worldwide, and there are strong context suggestions that it will grow even more. One of these…”
Get full text

Development and characterization of an intraocular biodegradable polymer system containing cyclosporine-A for the treatment of posterior uveitis by Saliba, Juliana Barbosa, Faraco, André Augusto Gomes, Yoshida, Maria Irene, Vasconcelos, Wander Luiz de, Silva-Cunha, Armando da, Mansur, Herman Sander

“…The aim of this study was to synthesize and characterize the biodegradable intraocular implants based on poly (D,L-lactide-co-glycolide) (PLGA 75:25) with…”
Get full text

Production of Pure Granules Of Sba-15 Mesoporous Silica by Magalhães, Gabriela Oliveira de, Ribeiro, Jéssica de Oliveira Notório, Vasconcelos, Daniela Cordeiro Leite, Vasconcelos, Wander Luiz

“…Mesoporous silica materials have been widely investigated for their great potential as competitive adsorbents and catalysts in different areas, due to their…”
Get full text

Chemical functionalization of ceramic tile surfaces by silane coupling agents: polymer modified mortar adhesion mechanism implications by Mansur, Alexandra Ancelmo Piscitelli, Nascimento, Otávio Luiz do, Vasconcelos, Wander Luiz, Mansur, Herman Sander

“…Adhesion between tiles and mortars are crucial to the stability of ceramic tile systems. From the chemical point of view, weak forces such as van der Waals…”
Get full text

Physical characterization of coffee after roasting and grinding by Gabriel Henrique Horta de Oliveira, Paulo Cesar Corrêa, Fábio Lúcio Santos, Wander Luiz Vasconcelos o Santos, Carlito Calil Júnior, Fernanda Machado Baptestini, Guillermo Asdrúbal Vargas-Elías

“…Flowability is an important characteristic of handling process for efficiency and reliability purpose of post-harvest operations, which are governed by the…”
Get full text

Preparation of hybrid biomaterials for bone tissue engineering by Costa, Vilma Conceição, Costa, Hermes Souza, Vasconcelos, Wander Luiz, Pereira, Marivalda de Magalhães, Oréfice, Rodrigo Lambert, Mansur, Herman Sander

“…Hybrid porous polyvinyl alcohol (PVA)/bioactive glass was prepared through the sol-gel route, using partially and fully hydrolysed PVA, and structural…”
Get full text

Infrared and chemical characterization of natural amethysts and prasiolites colored by irradiation by Lameiras, Fernando Soares, Nunes, Eduardo Henrique Martins, Vasconcelos, Wander Luiz

“…The infrared bands of amethyst and prasiolite samples from different origins were correlated to the trace elements contents. Amethysts have an iron content…”
Get full text

Surface modification of synthetic clay aimed at biomolecule adsorption: synthesis and characterization by Guimarães, Angela de Mello Ferreira, Ciminelli, Virgínia Sampaio Teixeira, Vasconcelos, Wander Luiz

“…This work describes the process for functionalization of laponite through the grafting of 3-mercaptopropyltrimethoxysilane (MPTS). Laponite is synthetic…”
Get full text

Attachment of inorganic moieties onto aliphatic polyurethanes by Ayres, Eliane, Vasconcelos, Wander Luiz, Oréfice, Rodrigo Lambert

“…Polyurethanes have been used in a series of applications due basically to their versatility in terms of controlling the behavior by altering basically the type…”
Get full text

A review on applications of sol-gel science in cement by Nair, Pooja Anil Kumar, Vasconcelos, Wander Luiz, Paine, Kevin, Calabria-Holley, Juliana

“…•The benefits of using sol-gel technology to advance cement science.•The effects of silanes on the C-S-H structure.•Sol-gel technology applied to cement…”
Get full text

Sol-Gel transition and structural evolution on multicomponent gels derived from the alumina-silica system by Oréfice, Rodrigo Lambert, Vasconcelos, Wander Luiz

“…The capacity of the sol-gel process of producing highly pure, homogeneous alumina-silica based materials had been demonstrated in the last few years. However,…”
Get full text

Effect of steatite waste additions on the physical and mechanical properties of clay composites by Panzera, T H, Strecker, K, de, Oliveira L G, Vasconcelos, W L, Schiavon, M A

“…Mineral rock wastes are being widely investigated due to possible damage to the environment when discarded indiscriminately, but also because of their…”
Get full text

Sol-Gel SiO2-CaO-P2O5 biofilm with surface engineered for medical application by Federman, Sonia Regina, Costa, Vilma Conceição, Vasconcelos, Daniela Cordeiro Leite, Vasconcelos, Wander Luiz

“…Sol-gel film in the SiO2-CaO-P2O5 system was prepared from TEOS, TEP, alcohol and hydrated calcium nitrate in an acidic medium. The coatings were deposited on…”
Get full text