Nanoporous Silica
Ordered nanoporous silica as carriers for improved delivery of water insoluble drugs: a comparative study between three dimensional and two dimensional macroporous silica
... of nanoporous silica materials, including mesoporous silica (MCM-41 and SBA-15 with 2D hexagonal pores) and 3D macroporous silica (3DOM silica), as matrices for the dissolution ...
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Direct oxidation of benzene to phenol in liquid phase by H2O2 over vanadium catalyst supported on highly ordered nanoporous silica
... ordered nanoporous silica such as MCM- 41[1], LUS-1 [2-3], and SBA-15 [4] with very high surface area, uniform open form structure and extremely narrow pore size distribution has great potential for ...
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Study on diffusion coefficient of benzene and ethyl benzene vapours in nanoporous silica aerogel and silica aerogel-activated carbon composites
... study, nanoporous silica aerogel and silica aerogel-activated carbon composites have been synthesized using a water glass precursor by a cost-effective ambient pressure drying ...on silica ...
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Phenylthiourea Modified Highly Ordered Nanoporous Silica for Heavy Metal Ion (Hg2+ ) Trapping
... The phenylthiourea-substituted triethoxysilane as a silane agent was synthesized and grafted on highly ordered nanoporous silica (LUS- 1) with a textured morphology and hexagonal array. This material ...
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A Novel Approach for Preparation of Acetylacetonate Complex Anchored to High Order Nanoporous Silica (LUS-1)
... Tris(3-bromo-acetylacetonato) chromium(III) as an inert and very stable complex with a good leaving group was synthesized using as-prepared Cr(acetylacetonate) 3 . Highly ordered nanoporous silica (LUS-1), ...
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Application of Sulfonic Acid Functionalized Nanoporous Silica (SBA-Pr-SO3H) in the Green One-pot Synthesis of Polyhydroacridine Libraries
... potential application as catalysts [26], supports [27], adsorbents [28] as well as nano-reactors [29]. The SBA-15 is new nanoporous silica with hexagonal structure, high surface area, large pore size, great ...
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Immobilization of metalloporphyrin on functionalized nanoporous silica
... SBA-15 nanoporous silica were prepared cooperation assembly of tetraethylorthosilicate precursor in the presence of poly (ethylene glycol)–block- poly (propylene glycol)–block- poly (ethylene glycol) ...
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Ethylenediamine Functionalized Nanoporous Silica Type LUS-1 for Highly Sensitive Analysis of Pb2+ , Cd2+ and Zn2+ in Various Samples
... [14], silica gel [15], silanized glass beads [16] and resin [17,18] which is used in solid phase extraction have showed several problems like low mechanical and thermal stability and weak chemical union with the ...
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Distinctive electrokinetic behavior of nanoporous silica particles treated with cationic polyelectrolyte
... As shown in Fig. 6A, it was possible to shift the sign of streaming potential of poly-DADMAC-treated silica gel from positive to negative back and forth, several times, just by changing the salt content of the ...
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Conjugation of glucosamine with Gd<sup>3+</sup>-based nanoporous silica using a heterobifunctional ANB-NOS crosslinker for imaging of cancer cells
... silica nanoparticle using an N-5-azido-2-nitrobenzoyloxy succinimide (ANB-NOS) crosslinker. The contrast agent obtained was characterized using a variety of methods, including Fourier transform infrared ...
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1 Nanoporous Silica-Dye Microspheres for Enhanced
... Keywords: silica-dye microspheres; hierarchical nanostructure; colorimetric sensing; gaseous 22.. cyclohexanone; ppb detection; explosive screening 23.[r] ...
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Highly Efficient Elimination of Carbon Monoxide with Binary Copper Manganese Oxide Contained Ordered Nanoporous Silicas
... Ordered nanoporous silicas containing various binary copper-manganese oxides were prepared as catalytic systems for effective carbon monoxide ...the nanoporous silica was achieved by inductively ...
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A Green Multicomponent One-pot Synthesis of 9, 10-Diaryl-7H-benzo[d,e]imidazo[2,1-a]isoquinolin-7-one Derivatives using Nanoporous Base Silica (SBA-Pr-NH2) as Catalyst
... mesoporous silica with high specific surface area, , great pore wall thickness, large pore size, and high thermal stability is a unique inorganic solid support ...functionalized nanoporous silica ...
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Investigating the Heavy Metal Adsorption of Mesoporous Silica Materials Prepared by Microwave Synthesis
... In this study, an ordered mesoporous silica material MCM-41 has been conveniently synthesized using silica fume as the silica source under microwave heating. Microwave heating synthesis method ...
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The effects of honeybees on the biodiversity of manuka patches : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Ecology, Massey University, Palmerston North, New Zealand
... McKen Sth A.Shilton Sir Ed Outdoor Pursuits Silica Rapids J.Love A.Shilton Desert Rd I.Satherly Campbell_2 Silica Rapids Silica Rapids Silica Rapids Ohakune Mountain Rd_2 McKen Sth Campb[r] ...
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Effects of Silica Morphology on Emulsion Paint Properties Using Rice Husk Ash and Silica Flour as Pigment Extenders
... of silica in RHA and SF respectively also had an impact on their thickening ability which consequently affected the viscosity of the ...crystalline silica have different properties ...amorphous ...
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Immobilization of Polymeric Luminophor on Nanoparticles Surface
... unlike silica-based composite, destruction of samples 6 and 7 (Table 1) in the range 250–410 °C occurs in one step with a maximum weight loss at 340 ...on silica, not only the inter- action with grafted ...
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Oxygen Isotope Study of Silica Sinter from the Osorezan Geothermal Field, Northeast Japan
... of silica minerals with variable crystallinity. Silica sinter is typically composed of a silica mineral such as opal-A, opal-CT, opal-C, and quartz, or a mixture of them ...the silica ...
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Magnetic Iron Oxide Nanoparticles: Synthesis and Surface Functionalization Strategies
... However, it is a technological challenge to control size, shape, stability, and dispersibility of NPs in desired sol- vents. Magnetic iron oxide NPs have a large surface-to- volume ratio and therefore possess high ...
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Preparation of silica nanospheres and porous polymer membranes with controlled morphologies via nanophase separation
... composites, silica nanospheres, and polymer membranes through polymer/ silica mixing and selective removal ...the silica sol into the polymer solution and sub- sequent evaporation of the ...
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