SiO/sub 2/:Ho
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 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
... @SiO 2 modified with anti-mesothelin antibody (A-MFS) was prepared to target cells and tumor tissues highly expressing mesothelin in vitro (human pancreatic cancer cell line SW1990) and in vivo ...
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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Male SD rats (n = 18; 6 rats in each group) were randomly divided into a blank group (blank), a vehicle group (vehicle), and a porous Se@SiO 2 nanocomposite group (NP). The SD rats from the vehicle and NP ...
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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
... 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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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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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 /PEI, Fe 3 O 4 @SiO 2 / PEI/Sc shRNA, or Fe 3 O 4 @SiO 2 /PEI/VEGF shRNA was incubated with the cells in serum-free medium for 6 hours, and then replaced with complete ...
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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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SiO<sub>2</sub> nanoparticle-induced impairment of mitochondrial energy metabolism in hepatocytes directly and through a Kupffer cell-mediated pathway in vitro
... for SiO 2 nanoparticles in vivo, and may be highly susceptible to damage by these ...of SiO 2 nanoparticles on mitochondria-associated energy metabolism in hepatocytes has been ...work, ...
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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
... (n = 2 wells): control + PBS group, H/R + PBS group, and H/R + Se@SiO 2 group. HK-2 cells and renal tissue from the outer medulla area were lysed and denatured at 100 ° C for 5 minutes in SDS ...
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<p>Mitochondria-Modulating Porous Se@SiO<sub>2</sub> Nanoparticles Provide Resistance to Oxidative Injury in Airway Epithelial Cells: Implications for Acute Lung Injury</p>
... with 2-[(Aminocarbonyl) amino]-5-(4- fl uorophenyl)-3-thiophenecarboxamide (TPCA-1)] with the ability to target in fl ammatory endothe- lia and inhibit neutrophil transmigration, thus restraining the progression of ...
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Synthesis, characterization, and immune efficacy of layered double hydroxide@SiO<sub>2</sub> nanoparticles with shell-core structure as a delivery carrier for Newcastle disease virus DNA vaccine
... (LDH)@SiO 2 nanoparticles were developed as a delivery carrier for the plasmid DNA expressing the Newcastle disease virus F ...LDH@SiO 2 nanoparticles (pFDNA-LDH@SiO 2 -NPs) was ...
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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 ) and silica (SiO 2 ) coatings prepared by sol–gel ...TiO 2 or SiO 2 coatings reduced significantly the production of proinflammatory cytokines by local tissues, ...
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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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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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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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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 , is ...CeO 2 has no neurotoxic effect at the concentrations ...CeO 2 , we also demonstrated that the translocation depends on both axonal integrity and electrical ...of ...
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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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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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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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