SiO/sub 2/-Si:N
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
... -Fe 2 O 3 . Using TEM characterization, Fe m O n -SiO 2 composite flake-like and SiO 2 -Fe m O n core-shell IONPs demonstrated spherical shape with mean diameter of 98 ± ...
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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Male SD rats (n = 18; 6 rats in each group) were randomly divided into a blank group (blank), a vehicle group (vehicle), and a porous Se@SiO 2 nanocomposite group (NP). The SD rats from the vehicle ...
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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 or SiO 2 coatings reduced significantly pro- duction of proinflammatory cytokines by the local tissues, irrespective of the material used as a substrate, that is, either Ti6Al4V or stainless ...
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Toxicity evaluation of Gd<sub>2</sub>O<sub>3</sub>@SiO<sub>2</sub> nanoparticles prepared by laser ablation in liquid as MRI contrast agents in vivo
... Then 2 mL of erythrocytes were lysed in the dark for 2 minutes, followed by the addition of 2 mL PBS, which was subsequently centrifuged at 1,200 × g for 5 minutes at room ...
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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
... As an indication of the proper physiological function of the nerve fibers of the isolated sciatic nerve, samples of the evoked CAP were digitized and stored in a computer every 30 minutes throughout the experiment, ...
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<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 ...
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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
... Nag, N-acetylglutamate; Nas, N-acetyl glycoprotein signal; N-Mh, N-methylnicotinamide; NP, neopterin; o-hPa, ortho-hydroxyphenylacetate; Pa, picolinate; Pag, phenylacetylglycine; Pan, ...
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Porous Se@SiO<sub>2</sub> nanospheres treated paraquat-induced acute lung injury by resisting oxidative stress
... Se@SiO 2 nanospheres could alleviate oxidative stress and inflammation in PQ-induced ...Se@SiO 2 (n=18). The PQ and PQ + Se@SiO 2 groups were randomly and evenly ...
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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
... core; 2) Tf-receptor-targeting, by the Tf ligand on the outer layer; and 3) high drug loading efficiency (achieved using a modified multi-armed coupling reagent, PLGA), controllable by altering reactant ...
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Preparation and evaluation of SiO<sub>2</sub>-deposited stearic acid-g-chitosan nanoparticles for doxorubicin delivery
... CS-SA/SiO 2 / DOX-4, CS-SA/SiO 2 /DOX-8, CS-SA/SiO 2 /DOX-16 nanoparticles against A549 cells measured using the MTT assay were ...CS-SA/SiO 2 /DOX nanoparticles ...
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Metathesis of Ethylene and Trans 2 Butene over MgO Admixed WO<sub>3</sub>/SiO<sub>2</sub> Catalysts
... structure [8]. For the MgO(CP) and MgO(SV), these OH peaks were higher for the spent catalysts compared to the fresh ones. This change was not observed for the MgO(SG) in which the spent catalysts showed relatively small ...
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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- ...
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Vancomycin-modified Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@Ag microflowers as effective antimicrobial agents
... @ SiO 2 @Ag ...@SiO 2 @Ag microflowers (Figure 3B and ...@SiO 2 @Ag microflowers are surrounded by a thin membrane-like layer with ∼ ...@SiO 2 @Ag microflowers, we ...
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Electron trapping in metal-insulator-semiconductor structures on n-GaN with SiO2 and Si3N4 dielectrics
... Figure 2 displays additional C – V curves and 1 / C 2 – V ...both SiO 2 and Si 3 N 4 samples, increasing the starting dc bias V G from 0 to 6 V leads to increasing shift along ...
5
Low-temperature preparation of GaN-SiO2 interfaces with low defect density. I. Two-step remote plasma-assisted oxidation-deposition process
... When SiO 2 thin films were deposited on Si, Ge, GaAs, and CdTe using remote plasma-enhanced chemical vapor deposition ( RPECVD ) , the substrates were slightly consumed by plasma-activated species ...
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Interfacial strain-induced self-organization in semiconductor dielectric gate stacks. I. Strain relief at the Si-SiO2 interface
... the Si substrate, and second, their number can be reduced by more than a factor of 50 by a postmetallization anneal 共 PMA 兲 in a hydrogen-containing ...the Si forbidden band gap that are revealed by ...
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Multiple Layers of Silicon-Silica (Si-SiO2) Pair onto Silicon Substrate towards Highly Efficient, Wideband Silicon Photonic Grating Coupler
... 5(c)-(d) show the TE mode profiles of light from the point of incidence of the grating coupler along the Si waveguide. The incident light, that is scattered by the surface gratings, propagates in +x, –x, and –y ...
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High Pressure Transformation of SiO2 Glass from a Tetrahedral to an Octahedral Network: A Joint Approach Using Neutron Diffraction and Molecular Dynamics
... on n ¯ O Si and also for the dependence of hni on p, where the p versus n ¯ O Si relationship was taken from MD ...between Si atoms survive to high ...of n ¯ ...
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Development of a capacitive chemical sensor based on Co(II)-phthalocyanine acrylate-polymer/HfO 2/SiO2 /Si for detection of perchlorate
... perchlorate concentrations. We note in Fig. 5 the presence of two slopes: slope (1) of about 17 mV decade −1 indicates a very low detection of perchlorate in low concentrations and slope (2) of about 47 mV decade ...
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EFFECT OF INORGANIC HYBRID LiBr ON THE SILICA MATRIX XEROGELS (RESEARCH NOTE)
... level with silanols being the main centers for water physisorption [5]. This chemical inhomogeneity of the surface is likely to be even stronger in the more complex, hybrid materials, owing to the presence of calcium ...
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