Si-SiO-SiO/sub 2/
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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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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Preparation and evaluation of SiO<sub>2</sub>-deposited stearic acid-g-chitosan nanoparticles for doxorubicin delivery
... 95% deacetylated degree), which was purchased from Yuhuan Marine Biochemistry Co, Ltd (Zhejiang, China). Stearic acid was purchased from Wenzhou Huaqiao Chemical Reagent Co, Ltd (Wenzhou, China). Chitosanase was obtained ...
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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Se@SiO 2 nanocomposites. Then, the solid Se@SiO 2 nanocomposites were coated with PVP and etched in hot water to construct porous ...Se@SiO 2 nano- composites were characterized ...
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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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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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Heterointerface dipoles: Applications to (a) Si-SiO2, (b) nitrided Si-N-SiO2, and (c) SiC-SiO2 interfaces
... izations of the incident and reflected optical waves at v and 2 v , respectively. Combined with the results presented in Ref. 26, which demonstrate significant reductions in interfacial transition regions ...
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Silica–gentamicin nanohybrids: combating antibiotic resistance, bacterial biofilms, and in vivo toxicity
... large-sized SiO 2 -G nanohybrids; consequently, only the sublethal toxicity reached a significant level at this stage, while the mortality rates only increased without reaching ...
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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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The Effect of two Types of Nano-Particles (ZnO and SiO2) on Different Types of Bacterial Growth
... which prevent the bacteria under test to grow. In this study 1 ml of media ( nutrient broth ) was taken in a test tube to it 1 ml of test solution was added, then 0.1 ml of bacterial isolates that prepared in 0.9 % of ...
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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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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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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 ...
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Low-temperature preparation of GaN-SiO2 interfaces with low defect density. I. Two-step remote plasma-assisted oxidation-deposition process
... range of low-to-mid 10 11 cm −2 eV −1 has been obtained with- out in situ native oxide removal and thin intermediate layer ( or sacrificial layer ) preparation. 1 These results are remark- ably different from the ...
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Multiple Layers of Silicon-Silica (Si-SiO2) Pair onto Silicon Substrate towards Highly Efficient, Wideband Silicon Photonic Grating Coupler
... commercially available software package to design silicon photonics devices [28]. A TE polarized Gaussian shaped light source is applied on the surface of the gratings with Mode-Field Diameter of 10 µm which is ...
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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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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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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 ...
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Optimization of the nanoporous silicon structures by magnesiothermic reduction of the as-synthesized silica
... of Si-10G4-p andSi- 10NP4-p ...of Si element but a little percent of Mg, F and O were observed in Si-10NP4-p sample due to the presence of MgSiO 3 and Mg 2 ...
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Effects of silica–gentamicin nanohybrids on osteogenic differentiation of human osteoblast-like SaOS-2 cells
... native SiO 2 NPs show partial aggregation on the surface of the cells (Figure ...remaining SiO 2 –gentamicin nanohybrids in the wells would continuously release gentamicin during the ...
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