SiO/sub 2/ samples
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
... did not affect to the nucleation rate in this system even though it acts as nucleating agent. According to the appearances of glasses which are shown in Table 3, 20AZ3Li6T showed surface crystallization. That means the ...
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<p>Distribution of SiO<sub>2</sub> nanoparticles in 3D liver microtissues</p>
... the samples were diluted 1:100 in water or culture medium, ...the samples were filtered through a 200 nm membrane filter into glass ...C. Samples were irradiated with a semiconductor laser (HeNe ...
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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
... the samples were briefly rinsed with Tris-buffered saline (TBS) (3 × 5 ...tissue samples were incubated for 1 hour at room temperature with primary antisera raised against IL-6 (rat, dilution 1:400; Abcam), ...
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Porous Se@SiO<sub>2</sub> nanospheres treated paraquat-induced acute lung injury by resisting oxidative stress
... protein samples were fractionated by 8% sodium dodecyl sulfate polyacrylamide gel electrophoresis and were transferred to polyvinylidene difluoride membranes (Bio-Rad, Richmond, CA, ...
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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
... Colloidal samples were dispersed in ethanol by ultrasonication, then dropped onto a holey carbon-copper grid, and dried at room ...the samples was measured by energy dispersive spectrometry (Oxford ...
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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 (8, 16) nanoparticles were investigated using phosphate-buffered saline (PBS) solution (pH ...CS-SA/SiO 2 / DOX-4 (8, 16) nanoparticle solution (containing 30 µ g DOX) were ...
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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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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
... nerve, samples of the evoked CAP were digitized and stored in a computer every 30 minutes throughout the experiment, usually last- ing over 36 ...CeO 2 , the values of the CAP, measured every 30 minutes, ...
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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Se@SiO 2 nanocomposite group ...Se@SiO 2 nanocomposites (1 mg/kg) per ...the samples were used for a micro-computed tomog- raphy (Micro-CT) scan and histologic analysis following ...
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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
... from healthy Sprague Dawley rats was collected in heparin- coated tubes. The red blood cells (RBCs) were obtained by centrifugation at 1,500 rpm for 5 minutes, and the upper plasma was removed. The RBCs were then washed ...
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Role of surface modification in zinc oxide nanoparticles and its toxicity assessment toward human dermal fibroblast cells
... The SiO 2 /ZnO NPs were produced using a sol-gel method of TEOS through hydrolysis and subsequent condensation in the presence of NH 4 OH to form a three-dimensional siloxane bond (Si–O–Si) by leaving an - ...
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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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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
... The amino-silane-coated magnetite particles were mixed with PEG diacid solution (molecular weight, 6,000) in the ratio of 1:2, followed by the addition of 5 mg of EDC ⋅ HCl to the solution. The solution was ...
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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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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 had significantly lower H&E scores for tubular dam- age after I/R ...Se@SiO 2 group exhibited less cellular apoptosis ...
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EFFECT OF INORGANIC HYBRID LiBr ON THE SILICA MATRIX XEROGELS (RESEARCH NOTE)
... confirms the formation of average size about 50 nm. We can see a porous material with high porosity and various porous sizes. The average particle size is about 50 nm. Elemental analysis presents atomic and weight ...
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Uptake, transport, distribution and Bio-effects of SiO2 nanoparticles in Bt-transgenic cotton
... treatment. These results are in agreement with previous study of Ali Riahi-Madvar [49] who investigated the effect of nanoparticles on the Triticum aestivum . According to Mukherjee et al. [50], the CAT acitivity in ...
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Surface modifications of silica nanoparticles are crucial for their inert versus proinflammatory and immunomodulatory properties
... naling Technology, Inc., Danvers, MA USA) for 1 hour. Antibodies were diluted in 1% bovine serum albumin/PBS. Nuclei were stained with 4 ′ ,6diamidino2phenylindole (DAPI) (0.1 µ g/mL in PBS; SigmaAldrich) for 5 ...
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Early detection of metabolic dysregulation using water T<sub>2</sub> analysis of biobanked samples
... T 2 values for 44 non-diabetic subjects revealed a high degree of correlation, but a lower degree of ...T 2 values for plasma and serum samples that had undergone one freeze-thaw cycle were ...
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