SiO/sub 2//SiN/SiO/sub 2/ gate dielectric
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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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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Porous Se@SiO<sub>2</sub> nanospheres treated paraquat-induced acute lung injury by resisting oxidative stress
... group were randomly divided into 3 sub-groups according to differing times of examination (24, 48 and 72 h) after PQ treatment. The rats were executed at the corresponding time points after injection of sodium ...
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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
... 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. ...
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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 , 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) ...
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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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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Figure 2, both Se@SiO 2 and MPS induced SOD and GSH-PX, compared with the control ...Se@SiO 2 group were similar to those in the MPS group (Figure 2A and ...Se@SiO 2 ...
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SiO<sub>2</sub> nanoparticle-induced impairment of mitochondrial energy metabolism in hepatocytes directly and through a Kupffer cell-mediated pathway in vitro
... SiO 2 nanoparticles and micrometer SiO 2 particles were purchased from Sigma Chemical Company (St Louis, MO, USA) at $99.0% purity. The average size of the particles was determined by ...
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Porous Se@SiO<sub>2</sub> nanospheres attenuate ischemia/reperfusion (I/R)-induced acute kidney injury (AKI) and inflammation by antioxidative stress
... Se@ SiO 2 had significantly lower H&E scores for tubular dam- age after I/R ...Se@SiO 2 group exhibited less cellular apoptosis ...
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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 ...
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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 microsphere-treated solutions did not inhibit the bacterial ...@ SiO 2 –Ag seed showed higher antibacterial efficiency compared with its precursor Fe 3 O 4 @SiO 2 ...
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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
... wide [16]. It is true that the mobility of network-modifying cation controls the composition and structure of nucleating phases which implies that viscosity controlled by network formers is not an important parameter for ...
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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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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
... Frogs (Rana ridibunda) of either sex and of the same age (ranging from 12 to 15 months), weighing 40–60 g, were used. The frogs were euthanatized (decapitated and pithed), and the sciatic nerves were dissected from the ...
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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
... -SiO 2 composite flake-like, and SiO 2 -Fe m O n core-shell IONPs on cell viability, function, and mor- phology were tested 48 h postincubation in human umbilical vein endothelial cell ...
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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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<p>Distribution of SiO<sub>2</sub> nanoparticles in 3D liver microtissues</p>
... without SiO 2 NPs, spheroids were washed and fixed with 4% paraformaldehyde in Dulbecco’s phosphate-buffered saline (DPBS; Thermo Fisher Scientific, Waltham, MA, USA), followed by embedding in CryoGlue ...
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Low-temperature preparation of GaN-SiO2 interfaces with low defect density. I. Two-step remote plasma-assisted oxidation-deposition process
... the gate dielectric insulator of a GaN MOS field-effect transistor, (ii) the passivation layer of an AlGaN / GaN high-electron-mobility transistor (HEMT), and (iii) the intermediating layer prior to the ...
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Interfacial strain-induced self-organization in semiconductor dielectric gate stacks. I. Strain relief at the Si-SiO2 interface
... Interfacial suboxide layers have also been studied by syn- chrotron, or soft x-ray photoelectron spectroscopy 共 SXPS 兲 . 3,6 Using monochromatic soft x-ray radiation ⬃ 150–200 eV from a synchrotron gives enhanced surface ...
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