W-SiO/sub 2/-Si
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
... DMP was suspended in 10 mL phosphate-buffered saline (PBS) solution, and incubated with 5 mg EDC and 5 mg NHS for 30 minutes at room temperature. Then, the products were separated using magnetic separation and ...
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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
... 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> nanospheres treated paraquat-induced acute lung injury by resisting oxidative stress
... Se@SiO 2 nanospheres was detected by an X-ray diffractometer (XRD) pattern (Figure ...Se@SiO 2 nanospheres showed a steady increase in the low angle ...Se@SiO 2 nanospheres ...
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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
... Surgical procedures were carried out under general anes- thesia in aseptic conditions. To anesthetize the animals, a mixture of 1 mL ketamine hydrochloride (100 mg/mL) and 0.5 mL xylazine hydrochloride (20 mg/mL) added ...
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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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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
... All univariate statistical tests were two-sided, and sig- nificance was set at P,0.05. Multivariate statistical analysis can take internal relationships and mutual influence among variables into account; therefore, the ...
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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
... 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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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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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
... Particle size and morphology of IONPs were assessed by transmission electron microscopy (TEM; JEM-2010, JEOL, Tokyo, Japan). IONPs were dispersed in distilled water and sonicated before TEM study. Atomic force microscopy ...
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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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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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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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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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Heterointerface dipoles: Applications to (a) Si-SiO2, (b) nitrided Si-N-SiO2, and (c) SiC-SiO2 interfaces
... electrodes. 2–4 The first two improve- ments are associated with interface nitridation at the mono- layer level, 2,3 whereas the third is optimized by plasma- assisted top surface nitridation, 3 or the use of ...
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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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