SiO/sub s/
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
... and SiO 2 -Fe m O n core-shell IONPs demonstrated spherical shape with mean diameter of 98 ± 22 and 101 ± 19 nm, respectively (Figure ...of SiO 2 -Fe m O n core-shell IONPs, silica core was not visible ...
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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
... Abstract: Pancreatic cancer is a highly malignant disease with a 5-year survival rate ,5% mainly due to lack of early diagnosis and effective therapy. In an effort to improve the early diagnostic rate of pancreatic ...
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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
... Abstract: Transferrin (Tf) was immobilized onto Fe 3 O 4 @SiO 2 nanoparticles with high doxorubicin (DOX) loading (TfDMP), for dual targeting of cancer, by chemically coupling both Tf and DOX with dual-function ...
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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
... To conclusion, some glasses could not be formed when alkaline metal oxide was added because crystal growth rate was higher than alkaline-earth metal oxide addition; however, transparent [r] ...
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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
... Abstract: Engineering a safe and high-efficiency delivery system for efficient RNA interference is critical for successful gene therapy. In this study, we designed a novel nanocarrier system of polyethyleneimine ...
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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>
... curve shape which are depicted in Fig. 5a-c. This method (BET) leads to the identification of the isotherm profile as type IV in the BDDT system which is typical for mesoporous material. The BJH pore size distribution ...
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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
... Abstract: Poor toxicity characterization is one obstacle to the clinical deployment of Gd 2 O 3 @ SiO 2 core-shell nanoparticles (Gd-NPs) for use as magnetic resonance (MR) imaging contrast agents. To date, there ...
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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
... was applied to investigate the metabolic consequences in rats following the intravenous adminis- tration of parent NPs of core–shell-structured nanoparticles, Fe 3 O 4 @SiO 2 -NH 2 (Fe@Si) NPs. Results: ...
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Metathesis of Ethylene and Trans 2 Butene over MgO Admixed WO<sub>3</sub>/SiO<sub>2</sub> Catalysts
... role of the MgO co-catalysts was to convert 1-butene and cis-2-butene by-products to trans-2-butene, which could further react with excess ethylene, resulting in higher propylene being produced. However, it was noticed ...
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Vancomycin-modified Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@Ag microflowers as effective antimicrobial agents
... microflowers surface were bound with vancomycin via car- bodiimide activation to yield vancomycin-modified Fe 3 O 4 @ SiO 2 @Ag microflowers. HRTEM analysis was performed to obtain detailed insights into the ...
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A multilayered approach of Si/SiO to promote carrier transport in electroluminescence of Si nanocrystals
... Forty-layered Si/SiO samples were prepared by evapor- ating Si and SiO alternatively by electron-beam and resistance heating, respectively, onto p + -type Si sub- strates (0.5 to approximately 1 Ω ...
6
Role of surface modification in zinc oxide nanoparticles and its toxicity assessment toward human dermal fibroblast cells
... with SiO 2 -shelled NPs (SiO 2 /ZnO NPs) with vary- ing degrees of ...produced SiO 2 /ZnO NPs, cytotoxicity in membrane damage and/or intracellular reactive oxygen spe- cies (ROS) were assessed by ...
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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
... evaluated the damage caused to the outer medullary regions in each experimental group. Upon histological examination, the I/R group showed features typical of severe acute tubular damage, including extensive tubular ...
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(HMDI). For the PU/SiO 2
... Abstract—The incorporation of nanosilica (SiO 2 ) derived from rice husk ash on corn oil-based polyurethane (PU) and the effect of NCO/OH ratio as well as the silica loading were investigated. PU synthesis was ...
5
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
... This work has laid a good foundation for using LDH@ SiO 2 -NPs with a shell-core structure as a delivery carrier in mucosal immunization for vaccines. In addition, this study has also shown that LDH@SiO 2 ...
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Nanoparticle with PEG and SiO 2
... bond and does not come from photocatalytic process. It can explain why sample with silica still shows good performances even though without UV irradiation. The same thing was explained from Guan e. al. that the decrease ...
6
A novel micromachined pump based on thick film piezoelectric actuation
... Three different surface layers were tested: l Native oxidized surface l 500 m-n thick layer of thermally grown SiO, 0 160 m-n thick layer of S&N4 on 80 nm of SiO, In parallel several dif[r] ...
6
Corrosion Polarization Behavior of Al-SiO2 Composites in 1M and Related Microstructural Analysis
... As depicted form Figure 7, the micro-structural profile for sample #5T after exposure as well as its elemental mapping analysis can be perceived. The identified elements as the corrosion products in that sample are O, ...
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SiO2 and TiO2 nanoparticles synergistically trigger macrophage inflammatory responses
... (N = 3 per group). Twenty-four h after injection, lung inflammation was analyzed by micro-computed tomography in a. Bronchoalveolar lavage fluid (BALF) was harvested from these mice, and the total cell number in BALF was ...
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Sub-Tenon's anesthesia: an update
... posterior sub-Tenon’s ...of sub-conjunctival blood, which may account for the high incidence reported in some ...a sub-conjunctival hemorrhage that was ...
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