Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Angela de Mello Ferreira"'
Publikováno v:
Materials Research, Vol 20, Iss 3, Pp 736-746 (2017)
Magnetic nanoparticles can improve the efficiency of phase separation time in multi-stage operations when a magnetic field is present. As such operations involve contact with aqueous and/or organic solutions, hydrophilic magnetic nanoparticles synthe
Externí odkaz:
https://doaj.org/article/a1e1b7758677450fb9c3e9fdd1ec8ccc
Autor:
Luciana Barbosa Salviano, Thays Michelle da Silva Cardoso, Gabriela Cordeiro Silva, Maria Sylvia Silva Dantas, Angela de Mello Ferreira
Publikováno v:
Materials Research, Vol 21, Iss 2 (2018)
Magnetite nanosized particles synthesis was achieved by two different routes. Assessment of microstructure was carried out aiming at comparing the outcome of synthesis parameters on the crystallinity, distribution of particle dimension and magnetic a
Externí odkaz:
https://doaj.org/article/633dcfa0f5c44841ba73fd98dd000770
Autor:
Angela de Mello Ferreira Guimarães, Virgínia Sampaio Teixeira Ciminelli, Wander Luiz Vasconcelos
Publikováno v:
Materials Research, Vol 10, Iss 1, Pp 37-41 (2007)
This work describes the process for functionalization of laponite through the grafting of 3-mercaptopropyltrimethoxysilane (MPTS). Laponite is synthetic smectite clay with surface area of 350 m²/g. The samples, prior to and after functionalization,
Externí odkaz:
https://doaj.org/article/4468f559e48e47128eb15347ad386ffe
Autor:
Angela de Mello Ferreira
Publikováno v:
Biblioteca Digital de Teses e Dissertações da UFMGUniversidade Federal de Minas GeraisUFMG.
The present work was aimed at synthesizing nanostructured hybrid materials derived from the functionalization of smectite clays with ligands containing thiol (-SH) and amino (-NH2) groups for application in adsorption processes. Two montmorillonite s
Externí odkaz:
http://hdl.handle.net/1843/MAPO-7REHM3
Autor:
R.V. Mambrini, Luiz Fernando de Sousa Lima, Nelcy D. S. Mohallem, Magnum Augusto Moraes Lopes de Jesus, Angela de Mello Ferreira, G.F. Batista
Publikováno v:
Ceramics International. 47:23844-23850
Micro-mesoporous TiO2/SiO2 nanocomposite powders have been successfully synthesized by the sol-gel process with different TiO2/SiO2 molar ratios and were applied in the UV-photodegradation of quinoline (λ = 254 nm). The structural, morphological, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90426ea6b4e6ac87d2bd035adb1b1d98
https://doi.org/10.1016/j.ceramint.2021.05.092
https://doi.org/10.1016/j.ceramint.2021.05.092
Publikováno v:
Journal of Nanoscience and Nanotechnology. 19:4338-4343
In this study, an iron oxyhydroxide nanocomposite with magnetic properties has been successfully synthesized. The quantification of the phases determined by Rietveld refinement has shown the presence of 74% of β-FeOOH (akaganeite) and 26% of Fe₃O
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26e971e3329da47c67adb4e0d14a7349
https://doi.org/10.1166/jnn.2019.16285
https://doi.org/10.1166/jnn.2019.16285
Autor:
Magnum Augusto Moraes Lopes de Jesus, Luciana M. Seara, Nelcy D. S. Mohallem, Gustavo Henrique de Magalhães Gomes, Andre S. Ferlauto, Angela de Mello Ferreira
Publikováno v:
Journal of Sol-Gel Science and Technology. 89:380-391
It is known that TiO2/SiO2 nanocomposite thin films have several properties improved when compared with the TiO2 or SiO2 pure thin films. In this work, a systematic study of xTiO2/(100 − x)SiO2 films (x = 0, 20, 40, 60, 80, and 100%) with different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5424e9e5ad9d43338a1d729547fb0de
https://doi.org/10.1007/s10971-018-4867-8
https://doi.org/10.1007/s10971-018-4867-8
Autor:
Magnum Augusto Moraes Lopes de Jesus, Cecilia Agustín-Sáenz, G. Timò, Angela de Mello Ferreira, Marina Cornelli, Iñigo Braceras
Publikováno v:
Solar Energy Materials and Solar Cells. 185:517-523
The objective of this study has been twofold: i) to investigate different strategies for CPV module glass surface modification, in particular preparing hydrophilic and hydrophobic coatings in order to reduce the dust accumulation (soiling) on the mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10200f159bcc4f32453e8dda6b3276a6
https://doi.org/10.1016/j.solmat.2018.05.036
https://doi.org/10.1016/j.solmat.2018.05.036
Autor:
Magnum Augusto Moraes Lopes de Jesus, Aline Geice Vitor Silva, Angela de Mello Ferreira, Lucélio Oliveira Lemos
Publikováno v:
Energia solar e eólica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce5895a26b899198332e300f0f801b1
https://doi.org/10.22533/at.ed.66719220119
https://doi.org/10.22533/at.ed.66719220119
Autor:
Fernanda Resende Couto, Angela de Mello Ferreira, Patrícia Procópio Pontes, Andréa Rodrigues Marques
Publikováno v:
Applied Soil Ecology. 158:103811
The collapse of the Fundao dam in Mariana – Minas Gerais, in the Iron Quadrilateral, considerably modified the Carmo riverbank. This study aimed to perform a physical, chemical, and biological characterization of the soils contaminated by iron ore
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e917aed78f69f12be7fbea5908c4e65
https://doi.org/10.1016/j.apsoil.2020.103811
https://doi.org/10.1016/j.apsoil.2020.103811