SiO/sub 2/:Ge,H
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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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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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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Porous Se@SiO<sub>2</sub> nanospheres treated paraquat-induced acute lung injury by resisting oxidative stress
... 1.5 h at room temperature and were blotted with the appropriate primary antibody (NF- κ B, 1:500; glyceralde- hyde 3-phosphate dehydrogenase [GAPDH], 1:1,000) (Cell Signaling Technology, Boston, MA, USA) (p-NF- κ ...
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Preparation and evaluation of SiO<sub>2</sub>-deposited stearic acid-g-chitosan nanoparticles for doxorubicin delivery
... Figure 3A shows TEM images of CS-SA/DOX and CS-SA/SiO 2 /DOX nanoparticles. In contrast with CS-SA/ DOX, dark rings around the nanoparticles could be observed on all CS-SA/SiO 2 /DOX ...
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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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<p>Distribution of SiO<sub>2</sub> nanoparticles in 3D liver microtissues</p>
... medium, SiO 2 NPs were pelleted by centrifugation and resuspended in ...The SiO 2 concentration of the SiO 2 NP stock dispersion was analyzed by inductively coupled plasma ...
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Effect of plant extracts on H<sub>2</sub>O<sub>2</sub>-induced inflammatory gene expression in macrophages
... of H 2 O 2 induced active mRNA expression of COX2, IL1β, NFE2L2, NFκB1, NFκB2, NOS2, and TNFα, while PPARγ was ...with H 2 O 2 ...
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Porous Se@SiO<sub>2</sub> nanocomposites protect the femoral head from methylprednisolone-induced osteonecrosis
... Rat lung tissues or cartilages from different groups were preserved in a − 70 ° C cryogenic freezer immediately after sacrifice, and the proteins were isolated for Western blot analysis. The concentrations of proteins ...
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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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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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Corrosion Polarization Behavior of Al-SiO2 Composites in 1M and Related Microstructural Analysis
... Procedurally, the stages of the Al and Al-alloy corrosion mechanism are described as follows: the condition for corrosion: formation of anode and cathode potential, there is a corrosive trigger environment (dry ...
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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. ...
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Exploitation of multilayer coatings for infrared surface plasmon resonance fiber sensors
... The coatings used were a single coating of germa- nium of average thickness 48 nm, a two-layered coat- ing of germanium ( 48 nm) followed by silicon dioxide ( 48 nm), and a three-layered coating of germanium ( 48 nm) ...
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Overview of the sensitivity of Ge- and Al-doped silicon dioxide optical fibres to ionizing radiation
... optical fibre with gradient calculation from the curve (sensitivity) is listed below in Table 3.0. The different of beta and electron irradiation is that beta was obtained from the decay of sealed source 90 Sr / 90 Y of ...
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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
... A-MFS can be used as negative contrast material. A-MFS has good stability of dispersion as shown in Figure S1. X-ray photoelectron spectroscopy detected that A-MFS contain Fe, O, C, N, and Si, so the result shows Si and ...
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Drug-likeness approach of 2-aminopyrimidines as histamine H<sub>3</sub> receptor ligands
... compounds 2–7 indicated that slight structural changes evoked extensive differences in affinities as well as histamine receptor subtype ...scaffold 2-aminopyrimidine increased hH 3 R affinity and subtype ...
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Enhanced cellular uptake of aminosilane-coated superparamagnetic iron oxide nanoparticles in mammalian cell lines
... with SiO 2 -NH 2 , SiO 2 , and dextran prevented SPIO nanoparticle aggregation in DMEM culture ...SPIO@ SiO 2 -NH 2 nanoparticles had the highest cellular uptake ...
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Friedel-Crafts Acylation Of Anisole Catalysed By H-Zeolite Beta Of Crystalline Rice Husk Ash
... Zeolite H-Beta has proven to be a reactive catalyst in many organic processes such as alkylation, acylation and various hydrocarbons reactions ...zeolite H-Beta catalyst which was synthesised by direct ...
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The Monitoring of H<sub>2</sub>S and SO<sub>2</sub> Noxious Gases from Industrial Environment with Sensors Based on Flame Spray Made SNO<sub>2</sub> Nanoparticles
... and response/recovery time of sensing films can considerably be affected by the particle morphology, size and distribution as well as operating temperature. The main advantage of FSP includes ability to produce ...
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