Al-SiO/sub 2/:F
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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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
... @SiO 2 -based drug delivery system that combines three properties: magnetic targeting, TfR targeting, and high DOX ...@ SiO 2 nanoparticle (DMP) was synthesized as a ...@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
... 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 ...
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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
... In this study, all the mice were successfully developed into subcutaneously transplanted tumor models. When the diam- eter of subcutaneously transplanted tumor reached 1.0 cm, nine mice were divided into three groups ...
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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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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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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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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 ratio ...
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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
... of SiO 2 particles on the mitochondrial membrane potential of BRL cells was evaluated using the JC-1 mitochondrial membrane poten- tial detection ...with SiO 2 nanoparticles and micrometer ...
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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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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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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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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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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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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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<p>Distribution of SiO<sub>2</sub> nanoparticles in 3D liver microtissues</p>
... times (day 1, 2, 4, and 7) after cell seeding (Figure 2). Already at day 1 HepG2 spheroids with irregular shape were observed. At later times (day 4 and 7), the cell spheroids exhibited a round and more ...
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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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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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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 group, H/R + PBS group, and H/R + Se@SiO 2 group (n = 3 ...Se@ SiO 2 group was pre-stimulated using porous Se@SiO 2 nano- spheres at a final concentration ...
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