Si-SiO/sub 2/-Al
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 and Fe 3 O 4 @SiO 2 /PEI ...@SiO 2 and Fe 3 O 4 @SiO 2 /PEI were attracted toward the magnet within a very short period of time (Figure 5, ...
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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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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 coatings on Ti6Al4V and SS, which was consistent to other authors’ findings on inflammatory ...TiO 2 can be related to its additional antioxidant ...et al, titanium oxide reduces the level of ...
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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
... growth period were incubated with different concentrations of Gd-NPs (2 × phosphate buffered saline [PBS], 10 µ M, 1 µ M, and 100 nM) in DMEM (Dulbecco’s Modified Eagle’s Medium) at 37 ° C, 5% CO 2 . The ...
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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
... CeO 2 and SiO 2 NPs in the axons of the peripheral nerve, the NPs were diluted in saline and placed in the stimulating chamber, where the proximal end of the nerve was ...CeO 2 or SiO ...
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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Se@SiO 2 nanocom- posites induced SOD and GSH indirectly to reduce ROS ...Se@SiO 2 did not affect the reduced wet-to-dry weight ratio of MPS. Se@SiO 2 also did not impair the ...
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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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Heterointerface dipoles: Applications to (a) Si-SiO2, (b) nitrided Si-N-SiO2, and (c) SiC-SiO2 interfaces
... crystalline Si oriented in a ~ 111 ! direc- tion, and noncrystalline SiO 2 is represented by the molecular cluster in ...Fig. 2 ~ a ! . The Si side of the cluster consists of a three ...
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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
... All chemicals were purchased from Sigma-Aldrich (St Louis, MO, USA). Bare IONPs were synthesized by coprecipitation of ferrous and ferric iron ion solutions. Briefly, the mixture of 25% NH 4 OH and 1% ammonium acetate ...
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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
... and S2A). Generally speaking, administration of Fe@Si NPs led to the elevation of 3-hydroxybutyrate (3-HB), acetoac- etate, allantoin, betaine, glucose, leucine, lipid, N-acetyl glycoprotein, and very-low-density ...
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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 ...
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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
... Figure 3A shows TEM images of CS-SA/DOX and CS-SA/SiO 2 /DOX nanoparticles. In contrast with CS-SA/ DOX, dark rings around the nanoparticles could be observed on all CS-SA/SiO 2 /DOX ...
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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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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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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 ...
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Multiple Layers of Silicon-Silica (Si-SiO2) Pair onto Silicon Substrate towards Highly Efficient, Wideband Silicon Photonic Grating Coupler
... to the devices produced by a standard CMOS fabrication platform in electronic industry [2, 3]. One of the key challenges with these submicronic waveguide devices is enabling efficient coupling with fiber, which is ...
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Interfacial strain-induced self-organization in semiconductor dielectric gate stacks. I. Strain relief at the Si-SiO2 interface
... four Si p p core level spectral features that were chemically shifted with respect to the substrate peak ...the 2 p 1/2 and 2 p 3/2 spin–orbit split components, making it ...
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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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