Porous Silica
HPLC-CUPRAC post-column derivatization method for the determination of antioxidants: a performance comparison between porous silica and core-shell column packing
... After checking the UV spectra and determining workable wavelength, the samples were subjected to HPLC experi- ments using porous silica and core-shell columns for separ- ation, identification, and ...
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In Situ Loading of Basic Fibroblast Growth Factor Within Porous Silica Nanoparticles for a Prolonged Release
... This study develops a route for in situ loading of bFGF within MSNs at room temperature through a developed water-in-oil microemulstion method. MSN as a new bFGF vehicle system prolongs the release of bFGF for 20 days. ...
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Computer Simulation Study for Functional Group Effect on Methane Adsorption in Porous Silica Glass
... and porous properties of these new materials have to be investigated and characterized, because the adsorption capacity of fluid in nanopores depends on total surface area, mesopore and micropore volumes of ...
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Selective Laser Sintering of Porous Silica Enabled by Carbon Additive
... manufacturing porous silica by means of selective laser sintering (SLS) without using polymer binder have been ...to silica material has been ...3D porous silica structure with low ...
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Nucleic acid separations using superficially porous silica particles.
... superficially porous silica particles to separate the single phosphodiester containing oligonucleotide (5 -end, 3 -end and the middle), double phosphodiester oligonucleotide and n-1 trun- cated ...
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Direct writing of PbS nanoparticles inside transparent porous silica monoliths using pulsed femtosecond laser irradiation
... Pulsed femtosecond laser irradiation at low repetition rate, without any annealing, has been used to localize the growth of PbS nanoparticles, for the first time, inside a transparent porous silica matrix ...
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Porous silica spheres as indoor air pollutant scavengers
... Porous silica spheres were investigated for their effectiveness in removing typical indoor air pollutants, such as aromatic and carbonyl-containing volatile organic compounds (VOCs), and compared to the ...
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Construction and evaluation of controlled release delivery system of Abamectin using porous silica nanoparticles as carriers
... the mutual interference between fast release on the sur- face and slow release resulting from decreased surface area which leads to the decreased diffusion gradients and driving force of Abamectin. The results indicated ...
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Nanostructure confinement of ammonia borane within porous silica and carbon for hydrogen storage
... The utilization of different additives is another approach to synthesize helical mesoporous materials. With the aid of ethyl acetate in the synthetic system, chiral mesostructured silica nanofibers with single- ...
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Fast ion chromatography of inorganic anions and cations on a lysine bonded porous silica monolith
... bonded silica gels, the phase exhibited mainly cation-exchange properties because of the formation of a three-layer sand- wich ...to silica, including 2,3-diaminopropionic, 2,5-diaminopentnoic acid ...
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Structure and Properties of Functionalized Porous Silica Hybrid Materials
... Acrylates are synthetic organic components known as good film formers, with high mechanical stability [14] [15]. In polymerized form, acrylates have been proven to be excellent protective materials, but limitations such ...
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Taste and mouthfeel assessment of porous and non porous silicon microparticles
... The taste of a silicic acid solution of 58 μ g/ml in deio- nized water was also judged using a triangle test. Meso- porous silica (Davisil, pore diameter 15 nm, particle size 52.5 μ m (D50)) was completely ...
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Solvent enhanced ion chromatography of alkaline earth and transition metal ions on porous monolithic silica
... of porous silica rods for HPLC was published by Tanaka and co-workers [1], scientists have been motivated to study their performance and possible application ...
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Influence of Nano-Silica and Silica Fume in the Steel Corrosion Embedded in Concrete
... of silica fume are small; thus, it quickens reaction with calcium hydroxide, which is produced from the hydration of Portland ...of silica fume, which are tiny, can settle in space between cement particles ...
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Loading capacity and release property of piperine loaded silica aerogel and silica xerogel
... 24]. Silica aerogel and silica xerogel, silica matrices made by the sol gel process have emerged as ideal carrier materials for drug delivery ...of silica in delivery system can provide ...
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Fabrication of Lotus Type Porous Brass by Zinc Diffusion into Porous Copper
... Lotus-type porous brass has been fabricated by utilizing solid-state diffusion of zinc into porous copper which has been made by unidirectional solidification in pressurized hydrogen ...lotus-type ...
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Mesoporous Silica: A Review
... Moreover, functionalization with differentgroups will make the systems attached to cell and biologi- cal species such as proteins and enzymes. Future work should be directed to development of non-immunogenic ...
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The comparative immunotoxicity of mesoporous silica nanoparticles and colloidal silica nanoparticles in mice
... of silica NPs (MPS and Col) in mice for 4 weeks (5 days/week) by focusing on the reticuloendothelial system (RES), which is part of the immune system that consists of phagocytic cells located in reticular ...
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A comparative study on characterization and effect of micro silica and nano silica
... the pores thereby increasing the strength and upgrades the blend area and cement paste structures. From Figures 9 and 10, it is seen the C-S-H crystal are identified as needle like form and short bundles. P-A ...
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Carboxylic Acids and Esters as Scaffold for Cavities in Porous Single Layer Anti Reflective Coatings of Silica Titania with Excellent Optical and Mechanical Properties
... for porous films, transmittance and scratch resistance play against each other, these results can confirm that ARC-1 include higher fraction of porosity than ...
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