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Mostrando ítems 21-30 de 314
Artículo
Rational construction of MOF derived α-Fe2O3/g-C3N4 composite for effective photocatalytic degradation of organic pollutants and electrocatalytic oxygen evolution reaction
(Elsevier, 2024-04)
In recent years, researchers have been actively investigating metal oxide-based materials with narrow bandgaps due to their potential applications toward wastewater treatment and oxygen evolution reactions (OER). In this ...
Artículo
Timing of calcium nitrate addition affects morphology, dispersity and composition of bioactive glass nanoparticles
(Royal Society of Chemistry, 2016)
Bioactive glass nanoparticles (BGN) are promising materials for a number of biomedical applications. Many parameters related to the synthesis of BGN using sol–gel methods can affect their characteristics. In this study, the ...
Artículo
Effect of dislocations on electrical and electron transport properties of InN thin films. I. Strain relief and formation of a dislocation network
(American Institute of Physics, 2006-11)
The strain-relaxation phenomena and the formation of a dislocation network in 2H-InN epilayers during molecular beam epitaxy are reported. Plastic and elastic strain relaxations were studied by reflection high-energy ...
Artículo
Pore morphology evolution and atom distribution of doped Fe2O3 foams developed by freeze-casting after redox cycling
(Elsevier Editora Ltda, 2021)
Chemical looping water splitting systems operate at relatively high temperatures (450–800 °C) to produce, purify, or store hydrogen by the cyclic reduction and oxidation (redox) of a solid oxygen carrier. Therefore, to ...
Artículo
Estudio acerca de las roturas originadas en cables de acero para elevación de cargas
(Ediciones Metyel, 1977)
Artículo
Improved Corrosion Behavior and Biocompatibility of Porous Titanium Samples Coated with Bioactive Chitosan-Based Nanocomposites
(MDPI, 2021-10)
Porous titanium implants can be a good solution to solve the stress shielding phenomenon. However, the presence of pores compromises mechanical and corrosion resistance. In this work, porous titanium samples obtained ...
Artículo
Bioactive Bilayer Glass Coating on Porous Titanium Substrates with Enhanced Biofunctional and Tribomechanical Behavior
(MDPI, 2022-02)
The use of porous titanium samples fabricated by space-holder powder metallurgy with bioactive coatings has already been reported to prevent resorption of the bone surrounding the implant and improve osseointegration, ...
Artículo
Influence of Femtosecond Laser Modification on Biomechanical and Biofunctional Behavior of Porous Titanium Substrates
(MDPI, 2022-04)
Bone resorption and inadequate osseointegration are considered the main problems of titanium implants. In this investigation, the texture and surface roughness of porous titanium samples obtained by the space holder technique ...