A novel biocatalytic system obtained via immobilization of aminoacylase onto sol–gel derived ZrO2·SiO2 binary oxide material: physicochemical characteristic and catalytic activity study
Sign Up to like & getrecommendations! Published in 2019 at "Adsorption"
DOI: 10.1007/s10450-019-00085-7
Abstract: Oxide material of a new type, ZrO2·SiO2 (raw and carbonyl-grafted), was used as support in the immobilization of aminoacylase from Aspergillus melleus. The ZrO2·SiO2 was synthesized via sol–gel method. The obtained material was additionally modified… read more here.
Keywords: immobilization aminoacylase; immobilization; zro2 sio2; oxide material ... See more keywords
3D-Focused ion beam tomography and quantitative porosity evaluation of ZrO2-SiO2 composite coating; amorphous SiO2 as a porosity tailoring agent
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.145567
Abstract: Abstract The current study is focused on refining effect of amorphous SiO2 on porosity and interlayer formation of sintered ZrO2-SiO2 composite coatings produced on anodic oxidized 316L substrate. The SiO2 improved particle interaction with the… read more here.
Keywords: porosity; sio2 porosity; amorphous sio2; sio2 ... See more keywords
Dependence of the refractive index of transparent ZrO2–SiO2 aerogels on the density and zirconium content
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.12.093
Abstract: Abstract In this work ZrO2-SiO2 aerogels with ZrO2 content of 3, 6 and 10 mol. % in the form of transparent blocks were synthesized using the sol-gel method. The possibility of introducing ZrO2 into a… read more here.
Keywords: zro2 sio2; aerogel; zro2; refractive index ... See more keywords
Quantum cutting properties of Tb3+/Yb3+ co-doped ZrO2-SiO2 nano-crystalized glasses synthesized via a sol-gel route
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.11.380
Abstract: Abstract Tb3+/Yb3+ co-doped ZrO2-SiO2 nano-crystallized glasses were prepared by a sol-gel process. The crystal structure and optical properties including down-conversion photoluminescence (or, quantum cutting) of the Tb3+-Yb3+ system with respect to gel heat treatment temperature… read more here.
Keywords: yb3 doped; zro2 sio2; sio2 nano; tb3 yb3 ... See more keywords
Influence of ZrO2/SiO2 nanomaterial incorporation on the properties of PEO layers on Mg-Mn-Ce alloy
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Magnesium and Alloys"
DOI: 10.1016/j.jma.2021.04.013
Abstract: Abstract The properties of coatings formed on the MA8 magnesium alloy by the plasma electrolytic oxidation in electrolytes containing mechanical mixture of zirconia and silica nanoparticles in concentrations of 2, 4 and 6 g/l have been… read more here.
Keywords: zro2 sio2; influence zro2; sio2 nanomaterial; nanomaterial incorporation ... See more keywords
Biodiesel production via stearic acid esterification over mesoporous ZrO2/SiO2 catalysts synthesized by surfactant-assisted sol-gel auto-combustion route
Sign Up to like & getrecommendations! Published in 2020 at "Renewable Energy"
DOI: 10.1016/j.renene.2020.06.005
Abstract: Abstract Biodiesel production from the esterification of stearic acid with ethanol catalyzed by the mesoporous ZrO2/SiO2 catalysts which successfully synthesized by surfactant-assisted sol-gel auto-combustion method. These catalysts were characterized by various physico-chemical techniques such as… read more here.
Keywords: esterification; stearic acid; sio2 catalysts; zro2 sio2 ... See more keywords
Nanoscale surface engineering of a high-k ZrO2/SiO2 gate insulator for a high performance ITZO TFT via plasma-enhanced atomic layer deposition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Chemistry C"
DOI: 10.1039/d0tc02419h
Abstract: We investigated a high dielectric constant (k) gate insulator (GI) based on the tandem structure of ZrO2 and SiO2 to optimize a high performance oxide thin-film transistor (TFT). We analyzed tandem structures with various SiO2… read more here.
Keywords: tft; zro2 sio2; high performance;
Comparison of ZrO2-SiO2 sols synthesized by two methods: Preparation, stability and physical-chemical structure
Sign Up to like & getrecommendations! Published in 2019 at "Integrated Ferroelectrics"
DOI: 10.1080/10584587.2019.1592591
Abstract: Abstract In the present work, zirconium nitrate pentahydrate (Zr(NO3)4·5H2O) was used as ZrO2 precursors. The ZrO2-SiO2 sols with the Zr/TEOS molar ratios (nZr) ranging from 0 to 2.0 were synthesized by two different methods, which… read more here.
Keywords: sol; sio2 sols; zro2; zro2 sio2 ... See more keywords
Efficient One-Pot Synthesis of TiO2/ZrO2/SiO2 Ternary Nanocomposites Using Prunus × Yedoensis Leaf Extract for Enhanced Photocatalytic Dye Degradation
Sign Up to like & getrecommendations! Published in 2022 at "Oxidative Medicine and Cellular Longevity"
DOI: 10.1155/2022/3088827
Abstract: A simple, efficient, and ecofriendly method was employed to synthesize TiO2/ZrO2/SiO2 ternary nanocomposites using Prunus × yedoensis leaf extract (PYLE) that shows improved photocatalytic and antibacterial properties. The characterization of the obtained nanocomposites was done… read more here.
Keywords: tio2 zro2; ternary nanocomposites; zro2 sio2; dye ... See more keywords
Synthesis and Characterization of Zirconia–Silica PMMA Nanocomposite for Endodontic Implants
Sign Up to like & getrecommendations! Published in 2023 at "Dentistry Journal"
DOI: 10.3390/dj11030057
Abstract: This study aimed to enhance the mechanical properties of PMMA composites by introducing various types of fillers, including ZrO2, SiO2, and a mixture of ZrO2-SiO2 nanoparticles, which were prepared as prototypes for an endodontic implant.… read more here.
Keywords: strength; zro2 sio2; mechanical properties; pmma ... See more keywords
Improvement of Mechanical Properties of Plasma Sprayed Al2O3–ZrO2–SiO2 Amorphous Coatings by Surface Crystallization
Sign Up to like & getrecommendations! Published in 2019 at "Materials"
DOI: 10.3390/ma12193232
Abstract: Ceramic Al2O3−ZrO2−SiO2 coatings with near eutectic composition were plasma sprayed using hybrid water stabilized plasma torch (WSP-H). The as-sprayed coatings possessed fully amorphous microstructure which can be transformed to nanocrystalline by further heat treatment. The… read more here.
Keywords: al2o3 zro2; heat treatment; plasma sprayed; zro2 sio2 ... See more keywords