منابع مشابه
The comparative immunotoxicity of mesoporous silica nanoparticles and colloidal silica nanoparticles in mice
BACKGROUND Mesoporous silica (MPS) nanoparticles (NPs), which have a unique pore structure and extremely large surface area and pore volume, have received much attention because of their biomedical application potential. Using MPS NPs for biomedical devices requires the verification of their biocompatibility because the surface area of NPs is one of the most important determinants of toxicity, ...
متن کاملUltrabright fluorescent mesoporous silica nanoparticles.
The first successful approach to synthesizing ultrabright fluorescent mesoporous silica nanoparticles is reported. Fluorescent dye is physically entrapped inside nanochannels of a silica matrix created during templated sol-gel self-assembly. The problem of dye leakage from open channels is solved by incorporation of hydrophobic groups in the silica matrix. This makes the approach compatible wit...
متن کاملBuilding of multifluorescent mesoporous silica nanoparticles.
Bright and colourful nanocomposites are easily fabricated by doping and fixing one or two kinds of oligosilicate fluorescent dots encapsulated with dye molecules into the pore channels of mesoporous silica nanoparticles, which can engender abundant fluorescent signals with a single excitation wavelength.
متن کاملSynthesis of colloidal Janus nanoparticles by asymmetric capping of mesoporous silica with phenylsilsesquioxane.
Colloidal mesoporous silica nanoparticles asymmetrically capped with non-porous phenylsilsesquioxane have been prepared by adding phenyltriethoxysilane to an aqueous dispersion of mesostructured silica-surfactant composite nanoparticles. The integration of colloidal stability, mesoporosity and the Janus structure is quite promising for materials design applicable in various fields, including ca...
متن کاملDialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles.
Colloidal mesoporous silica nanoparticles less than 20 nm in diameter are prepared by dialysis; this simple surfactant removal route can avoid aggregation by sedimentation-redispersion and remove cationic surfactants while retaining the original colloidal state, which is applicable to the preparation of primary nanoparticles carrying a functional organic substance.
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 2016
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.20150420