SiO/sub 2/:F-Si
Cytokine induction of sol–gel-derived TiO<sub>2</sub> and SiO<sub>2</sub> coatings on metallic substrates after implantation to rat femur
... materials than Ti6Al4V-based materials, because of good biocompatibility of titanium and its alloys and poor bio- compatibility of SS. Coating of either material declined cytokine production and brought it down to ...
7
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
... nm. The energy dispersive spectrometry results in Figure 1D and E show the atomic percentage of gadolinium and silicon in the core and the surface, respectively, indicating that the SiO 2 was successfully ...
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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
... The dependence of crystal sizes of Gahnite on NHT temperatures for alkaline-earth metal oxides addition was shown in Fig. 14. The sizes of 20AZ3Ca, 20AZ3Ca6T, 20AZ3Sr, 20AZ3Sr6T, and 20AZ3Ba6T were larger than 100 nm. ...
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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>
... thoroughly mixing its fine powder with 30 wt % organic binder (ethyl cellulose), 30 wt % solvent (2- butoxyethanol and terpineol) and 15 ml dispersant. The films were prepared on glass substrate by using screen ...
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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 and NP ...
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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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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
... The procedures for generation and drug loading of TfDMP are shown in Figure 1. By coupling GA with amino- immobilized Fe 3 O 4 @SiO 2 , the surface of the magnetic nanoparticle can be modified with both ...
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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 ethanol solution, abundant and small Ag seeds were deposited uniformly on the SiO 2 ...@SiO 2 –Ag seed synthesized with ...
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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 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, ...
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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
... aad, 2-aminoadipate; Tau, taurine; Tgl, trigonelline; Thr, threonine; TMaO, trimethylamine N-oxide; Trp, tryptophan; Tyr, tyrosine; Uc, urocanate; Val, valine; VlDl, very-low-density ...
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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
... Due to the highly demanded propylene in the market, the cross metathesis of ethylene and 2-butene to propylene is of a great interest for both academia and industry [1, 2]. Among the most successful ...
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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 ± 22 and 101 ± 19 ...
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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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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 ...
5
Interfacial strain-induced self-organization in semiconductor dielectric gate stacks. I. Strain relief at the Si-SiO2 interface
... face in which there is a transition from a rigid substrate to an ideal random covalent network and 共 ii 兲 compositionally de- pendent under- and overconstrained bonding in glass alloys such as Ge x Se 1 ⫺ x . 25,26 The ...
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Oxidized porous silicon for localized formation of SOI active regions
... Figure 4.5: Block diagram representation of basic principles of Eltran process which uses a porous silicon release layer used for wafer-jet separation. .......................... 34 Figure 4.6: Selective etching ...
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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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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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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 nanoparticles, followed by electrostatic adsorption of VEGF .../SiO 2 /PEI/VEGF shRNA nano- composites exhibited negligible hemolysis against human blood, and very low cytotoxicity ...
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