Al-Ti-SiO/sub 2/
Effect of Alkaline and Alkaline Earth Metal Oxides Addition on the Glass Formation and Crystallization of ZnO Al<sub>2</sub>O<sub>3</sub> SiO<sub>2</sub> Glasses
... Transparent glass-ceramics are attractive materials as optical advices because they have both the good formability of glasses and excellent optical properties of crystals. The size of crystals in transparent glass- ...
13
Porous Se@SiO<sub>2</sub> nanospheres treated paraquat-induced acute lung injury by resisting oxidative stress
... Se@SiO 2 nanospheres markedly alleviated PQ-induced oxidative stress and ...Se@SiO 2 nanosphere treatment. These data indicate that porous Se@SiO 2 nanospheres may reduce NF-κB, ...
10
Assessing the axonal translocation of CeO<sub>2</sub> and SiO<sub>2</sub> nanoparticles in the sciatic nerve fibers of the frog: an ex vivo electrophysiological study
... CeO 2 and SiO 2 , is ...CeO 2 has no neurotoxic effect at the concentrations ...CeO 2 , we also demonstrated that the translocation depends on both axonal integrity and electrical ...of ...
8
Cytokine induction of sol–gel-derived TiO<sub>2</sub> and SiO<sub>2</sub> coatings on metallic substrates after implantation to rat femur
... (TiO 2 ) and silica (SiO 2 ) coatings prepared by sol–gel ...TiO 2 or SiO 2 coatings reduced significantly the production of proinflammatory cytokines by local tissues, ...
7
Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... filtration with a cell strainer, the cartilage cells were collected and seeded on tissue culture dishes. All the cells were authen- ticated twice by morphologic and isoenzyme analyses dur- ing the study period. Cell ...
10
Preparation and evaluation of SiO<sub>2</sub>-deposited stearic acid-g-chitosan nanoparticles for doxorubicin delivery
... CS-SA/SiO 2 /DOX-4 (8, 16) nanoparticles were investigated using phosphate-buffered saline (PBS) solution (pH ...CS-SA/SiO 2 / DOX-4 (8, 16) nanoparticle solution (containing 30 µ g DOX) were ...
10
Biological responses to core–shell-structured Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>-NH<sub>2</sub> nanoparticles in rats by a nuclear magnetic resonance-based metabonomic strategy
... was applied to investigate the metabolic consequences in rats following the intravenous adminis- tration of parent NPs of core–shell-structured nanoparticles, Fe 3 O 4 @SiO 2 -NH 2 (Fe@Si) NPs. ...
16
SiO2 and TiO2 nanoparticles synergistically trigger macrophage inflammatory responses
... Particle-induced IL-1β secretion from macrophages is almost completely blocked by cytochalasin D, an inhibitor of actin polymerization and phagocytosis [9, 16, 17], suggesting that internalization of particles is ...
9
<p>Distribution of SiO<sub>2</sub> nanoparticles in 3D liver microtissues</p>
... formation, SiO 2 NPs were found up to 20 µ m from the border inside the spheroid occurring as single particles and particle agglomerates (Figure ...6A). SiO 2 NPs appeared internalized as well ...
21
Polyetherimide-grafted Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> nanoparticles as theranostic agents for simultaneous VEGF siRNA delivery and magnetic resonance cell imaging
... @SiO 2 , which allows high efficient loading of VEGF small hairpin (sh)RNA to form Fe 3 O 4 @SiO 2 /PEI/VEGF shRNA nanocomposites for VEGF gene silencing as well as magnetic resonance (MR) ...
13
In vitro and in vivo targeting imaging of pancreatic cancer using a Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> nanoprobe modified with anti-mesothelin antibody
... The amino-silane-coated magnetite particles were mixed with PEG diacid solution (molecular weight, 6,000) in the ratio of 1:2, followed by the addition of 5 mg of EDC ⋅ HCl to the solution. The solution was ...
13
SiO<sub>2</sub> nanoparticle-induced impairment of mitochondrial energy metabolism in hepatocytes directly and through a Kupffer cell-mediated pathway in vitro
... of SiO 2 nanoparticles indicates either effective removal of these nanoparticles from the cytoplasm after diffusion through the membrane or their uptake via mechanisms involving incorporation of par- ticles ...
13
Role of surface modification in zinc oxide nanoparticles and its toxicity assessment toward human dermal fibroblast cells
... thin SiO 2 /ZnO particles and - 41.5 mV from the thick SiO 2 /ZnO ...with SiO 2 showed a thin layer on the surface, with the finding that increasing the Si-to-Zn molar ratio ...
12
Enhanced cellular uptake of aminosilane-coated superparamagnetic iron oxide nanoparticles in mammalian cell lines
... uptake efficiency of SPIO nanoparticles was dependent on the characteristics of cell lines themselves as well as the surface coating of nanoparticles. Among these two factors, the biological nature of cell lines may have ...
12
Characteristics and Catalytic Properties of Ni/Ti Si Composite Oxide Catalysts via CO<sub>2</sub> Hydrogenation
... attractive XRD peaks of NiO also display the strong intensity at 37.3, 43.3, 62.8 and 75.5 [1] for all Ni catalysts. Moreover, NiO peak resulted in the less appearance of the XRD peak of anatase titania crystalline at ...
11
Vancomycin-modified Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@Ag microflowers as effective antimicrobial agents
... @SiO 2 ethanol solution, abundant and small Ag seeds were deposited uniformly on the SiO 2 ...@SiO 2 –Ag seed synthesized with ...
18
Immobilized transferrin Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> nanoparticle with high doxorubicin loading for dual-targeted tumor drug delivery
... @SiO 2 -based drug delivery system that combines three properties: magnetic targeting, TfR targeting, and high DOX ...@ SiO 2 nanoparticle (DMP) was synthesized as a ...@SiO 2 ...
9
Synthesis, Characterization and Gas Sensing Performance of PbMnO<sub>3</sub>, PbMnO<sub>3 </sub>: SiO<sub>2</sub> and PbMnO<sub>3 </sub>: Al<sub>2</sub>O<sub>3</sub>
... sensor. The current passing through the heating element was monitored using with an electronic circuit with adjustable on-off time intervals. A Cr-Al thermocouple was used to sense the operating temperature of the ...
10
In vitro toxicity of Fe<sub>m</sub>O<sub>n</sub>, Fe<sub>m</sub>O<sub>n</sub>-SiO<sub>2</sub> composite, and SiO<sub>2</sub>-Fe<sub>m</sub>O<sub>n</sub> core-shell magnetic nanoparticles
... IONP-induced changes in cell size and structure were further investigated using forward and side scattering pro- files obtained with flow cytometry analysis (Figure 4). Cell size and structure remained unchanged after ...
11
Metathesis of Ethylene and Trans 2 Butene over MgO Admixed WO<sub>3</sub>/SiO<sub>2</sub> Catalysts
... and 2-butene selectivity as a function of reaction time obtained on the various MgO catalysts are shown in ...with 2-butene selectivity > ...O 2-3C -terminated ...
16