amorphous silica nanoparticles
Amorphous silica nanoparticles impair vascular homeostasis and induce systemic inflammation
... Abstract: Amorphous silica nanoparticles (SiNPs) are being used in biomedical, pharmaceutical, and many other industrial applications entailing human ...that amorphous SiNPs cause systemic ...
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Amorphous silica nanoparticles size-dependently aggravate atopic dermatitis-like skin lesions following an intradermal injection
... that amorphous silica nanoparticles (nSPs), which are one of the most widely used NMs, can penetrate the skin barrier and induce various biological effects, including an immune-modulating ...
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Acid leaching as efficient chemical treatment for rice husk in production of amorphous silica nanoparticles
... of silica nanoparticles was achieved through acid leaching and pulverization of natural bio precursor agricultural waste; rice ...of amorphous silica ...synthesized silica was so ...
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Amorphous silica nanoparticles trigger nitric oxide/peroxynitrite imbalance in human endothelial cells inflammatory and cytotoxicity effects
... that amorphous silica nanoparticle-induced upregulation of ICAM1, VCAM1, SELE, MMP9, COX2, F3, IL6, and IL8 gene expression in a fashion which was directly proportional to incubation time and nanoparticle ...
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Combined Action of Human Commensal Bacteria and Amorphous Silica Nanoparticles on the Viability and Immune Responses of Dendritic Cells
... of nanoparticles might increase the risk of allergic and immune-mediated inflamma- tion, like DTH reactions, in subjects exposed to these nanomaterials or worsen the symptoms in individuals already presenting these ...
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Oxidative Damage and Energy Metabolism Disorder Contribute to the Hemolytic Effect of Amorphous Silica Nanoparticles
... Previously, we have noticed that intravenous adminis- tration of amorphous SiNPs decreased the amount of RBCs and content of hemoglobin in rats. Moreover, the occult blood tests and bilirubin in urine were shown ...
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Macrophages participate in local and systemic inflammation induced by amorphous silica nanoparticles through intratracheal instillation
... Abstract: Silica nanoparticles (SiNPs) are amongst the most commonly used materials in the field of nanomedicine and, therefore, their influence on organisms has drawn increasing atten- tion in recent ...
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Multinucleation and cell dysfunction induced by amorphous silica nanoparticles in an L-02 human hepatic cell line
... Figure 7 Apoptosis of L-02 cells after 24 hours of incubation with silica nanoparticles. Hoechst 33258 was used to observe morphologic changes in the cell nucleus. (A) Control group and (B) group treated ...
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Oxidative stress, inflammation, and DNA damage in multiple organs of mice acutely exposed to amorphous silica nanoparticles
... of amorphous silica (SiO 2 ) in biopharmaceutical and industrial fields can lead to human exposure by injection, skin penetration, ingestion, or ...of amorphous SiO 2 nanoparticles (SiNPs) on ...
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Amorphous silica nanoparticles trigger vascular endothelial cell injury through apoptosis and autophagy via reactive oxygen species-mediated MAPK/Bcl-2 and PI3K/Akt/mTOR signaling
... Abstract: Environmental exposure to silica nanoparticles (SiNPs) is inevitable due to their widespread application in industrial, commercial, and biomedical fields. In recent years, most investigators focus ...
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Effect of amorphous silica nanoparticles on in vitro RANKL induced osteoclast differentiation in murine macrophages
... by silica particle treatment of the mouse macrophage cell line ...the silica par- ticle size to below 100 nm increased the cytotoxicity sig- ...of silica particles ingested by cells increases as the ...
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Rice Husk Ash Derived Silica Nanofluids: Synthesis and Stability Study
... pare silica nanofluids. First, silica nanoparticles were synthesized using RHA as a silicon ...prepared silica nanoparti- cles. It could be seen that near-spherical silica nanoparti- ...
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Fabrication And Characterization Of Magnetoresponsive Carbon Nanotube Infused Polysulfone Nanocomposites
... Adsorbents such as activated charcoal, silica gel, and zeolites are commonly used in industries for the removal of water pollutants, which include toxic metals [3]. Most of these adsorbents are synthetic and have ...
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Size, Stability, and Porosity of Mesoporous Nanoparticles Characterized with Light Scattering
... charged silica particles onto the negatively charged glass surface, a cuvette was silanized with 5 vol-% mixture of APTES ((3-aminopro- pyl)triethoxysilane) and ...
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SYNTHESIS AND CHARACTERIZATION OF AMORPHOUS NANO-SILICA FROM BIOMASS ASH
... cm -1 is caused by the presence of Silaoxane (Si-O-Si) stretching. A slight change in the structure of a strong band at 1052 – 1228 cm -1 suggests a change in the local bonding structures of Si and O atoms at smaller ...
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The nanosilica hazard: another variable entity
... crystalline silica (mainly quartz) exposure and silicosis, as well as lung cancer, chronic obstructive pulmonary disease (COPD), and pulmonary ...crystalline silica polymorphs (quartz and cristobalite) in ...
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The Effect of Amorphous Silica Residue in the Production of Concrete
... The amorphous silica residue is a waste material from the technological process used in the manufacture of amorphous silica ...of amorphous silica slurry, some of which passes ...
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Atomistic Simulations of Ge on Amorphous Silica Substrates
... three-dimensional amorphous, roughly spherical, clusters that were high in formation energies (“blobs”) and (2) {111}-oriented dislocation loops with low formation energies ...
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<p>Improving Solubility and Bioavailability of Breviscapine with Mesoporous Silica Nanoparticles Prepared Using Ultrasound-Assisted Solution-Enhanced Dispersion by Supercritical Fluids Method</p>
... Various methods have been developed to solve the formu- lation challenges of insoluble drugs, such as ultra fi ne grinding, 7 nanocrystal techniques, 8 lipid-based formulation, 9 solid dispersions 10 and so on. With the ...
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Preparation and Application of Cell Membrane-Camouflaged Nanoparticles for Cancer Therapy
... core nanoparticles need to be fused together to obtain ...core nanoparticles) through pores of different ...PLGA nanoparticles with platelet membrane derived vehicles that display numerous ...
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