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silica surface

Bovine serum albumin adsorption at a silica surface explored by simulation and experiment

Bovine serum albumin adsorption at a silica surface explored by simulation and experiment

... maximum surface coverage Θ RSA is equal to 0.547. 54 The estimated surface mass density of a BSA monolayer, using the molecular size estimated by AFM, 18 is 165ng/cm 2 and 220ng/cm 2 for “flat-on” and ...

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Formamide Adsorption at the Amorphous Silica Surface: a Combined Experimental and Computational Approach

Formamide Adsorption at the Amorphous Silica Surface: a Combined Experimental and Computational Approach

... resulting surface exhibits 58 atoms (including the 14 terminal H), with unit cell parameters a = ...larger silica model, while the atomic coordinates of all atoms (but the terminal H atoms of the silane ...

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Preparation and Characterization of Silica Enoxil Nanobiocomposites

Preparation and Characterization of Silica Enoxil Nanobiocomposites

... of silica- Enoxil nanocomposites (curves 3–4), one can see that the band with a maximum at 3750 cm − 1 in the spectra of both composite samples is reduced in comparison with that for pristine silica (curve ...

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Surface Photografting of Novel Sulfobetaine Copolymers on Silica

Surface Photografting of Novel Sulfobetaine Copolymers on Silica

... the silica particles were carried out in two steps: 1) introduction of amine groups onto the silica surface, 2) Michael addition of (a) maleimide to amino groups onto silica surface and ...

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Development and applications of UV written waveguides

Development and applications of UV written waveguides

... limit. In this way the output of the controller, and therefore the device temperature, was always determined by the manually chosen current limit. Temperature control through variation of the current limit was found to ...

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Nanosilica coating for bonding improvements to zirconia

Nanosilica coating for bonding improvements to zirconia

... sol–gel silica coating and the tribochemical silica-coating ...sol–gel silica coating compared to the tribochemical ...sol–gel silica coating surface and the alumina-sandblasted ...

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Surface Functionalization of Silica and Zirconia Sol-Gel Materials with Europium Complexes

Surface Functionalization of Silica and Zirconia Sol-Gel Materials with Europium Complexes

... of silica and zirconia gels doped with europium complexes, avoiding decomposition of the europium complexes during sol-gel ...or silica samples including: a) physical adsorption of [Eu(ntac) 3 ][pphendcn] ...

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Adsorption of fibronectin fragment on surfaces using fully atomistic molecular dynamics simulations

Adsorption of fibronectin fragment on surfaces using fully atomistic molecular dynamics simulations

... carboxyl-terminated surface, is due to the negatively charged fragment being steered by the electric ...rigid silica surface, the fragment maintains some mobility across the surface (Figure ...

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Adsorption behavior of Eu(III) on partially Fe(III)  or Ti(IV) coated silica

Adsorption behavior of Eu(III) on partially Fe(III) or Ti(IV) coated silica

... into surface ≡Si-O - and free H + at pH > 3, and as the result, the surface is negatively charged, which is appropriate to incorporate electron-deficient metals to the silica ...the silica ...

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Hydrophobic silica thin films by sol-gel processing and spin coating technique at low temperature

Hydrophobic silica thin films by sol-gel processing and spin coating technique at low temperature

... hydrophobic silica thin film is quite high, but the roll off angle is quite high as water droplet is not easily rolls and the droplet trend to stick to the ...of silica films ...the surface while the ...

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Formation and Luminescent Properties of Al2O3:SiOC Nanocomposites on the Base of Alumina Nanoparticles Modified by Phenyltrimethoxysilane

Formation and Luminescent Properties of Al2O3:SiOC Nanocomposites on the Base of Alumina Nanoparticles Modified by Phenyltrimethoxysilane

... Most informative spectral ranges of the FTIR spectra of phenyl-alumina before and after annealing are shown in Fig. 2. IR bands related to benzene rings (1136, 1430, and 1590 cm −1 ) strongly reduced after annealing at ...

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Influence of Silica on   Stress Corrosion Cracking of Alloy 600 and Alloy 690 (G139)

Influence of Silica on Stress Corrosion Cracking of Alloy 600 and Alloy 690 (G139)

... at 315℃. The experiments were performed using C-ring specimens at 200 mV above the corrosion potential. The stress at the apex of the C-ring specimen ranged from about 300 MPa to about 600 MPa. Polarization behaviors of ...

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Experimental Investigation of Silica Fume as a Cement Extender for Liner Cementing in Iranian Oil/Gas Wells

Experimental Investigation of Silica Fume as a Cement Extender for Liner Cementing in Iranian Oil/Gas Wells

... that silica fume has a gas migration control ...amorphous silica that produces several important gas- tight ...of silica fume and other additives for preparing 90 pcf cement slurry for liner ...

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Preparation of silica nanospheres and porous polymer membranes with controlled morphologies via nanophase separation

Preparation of silica nanospheres and porous polymer membranes with controlled morphologies via nanophase separation

... of silica particles synthesized by PMMA/silica com- posites with volumetric ratios of 2:1 and ...process, silica spheres with average diameters of ...synthesized silica particles is larger ...

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The situ preparation of silica nanoparticles on the surface of functionalized graphene nanoplatelets

The situ preparation of silica nanoparticles on the surface of functionalized graphene nanoplatelets

... through introducing siloxane-GNPs into a solution of tetraethyl orthosilicate, ammonia and ethanol for hours’ reaction. This approach is easy to control and efficient. Meaningfully, the size of situ general silica ...

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Surface complexation model for strontium sorption to amorphous silica and goethite

Surface complexation model for strontium sorption to amorphous silica and goethite

... The overall alkaline earth model together with its predic- tive capability suggests that an additive approach can be used to describe sorption reactions in complex geochemi- cal environments. The regression analysis done ...

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Synthesis and Surface Modification of Spindle Type Magnetic Nanoparticles: Gold Coating and PEG Functionalization

Synthesis and Surface Modification of Spindle Type Magnetic Nanoparticles: Gold Coating and PEG Functionalization

... the surface of particles and a gold(III) ...subsequent surface protec- tion with a gold ...nanoparticle surface with a PEG carrying a fluo- rescent dye was unambiguously attested by confocal laser ...

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Effects of Silica Sol on Structure and Properties of Core Shell Silicon Acrylic Materials

Effects of Silica Sol on Structure and Properties of Core Shell Silicon Acrylic Materials

... different silica sol concentration were shown in Figure ...increasing silica sol concentration. In this system, silica sol acted as the crosslinker, crosslinking degree can be increased with the ...

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Facile Preparation and Charaterizations of Silica decorated Graphene nanocomposite Rintu Varghese, S. Dhivya Christo Anitha, Joy Prabu. H, Johnson. I.*

Facile Preparation and Charaterizations of Silica decorated Graphene nanocomposite Rintu Varghese, S. Dhivya Christo Anitha, Joy Prabu. H, Johnson. I.*

... high surface area, superior conductivity, high porosity, and other fascinating properties ...large surface area, in addition to their rather simply tuneable their remarkable ...

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Antigen-labeled mesoporous silica-coated Au-core Pt-shell nanostructure: a novel nanoprobe for highly efficient virus diagnosis

Antigen-labeled mesoporous silica-coated Au-core Pt-shell nanostructure: a novel nanoprobe for highly efficient virus diagnosis

... the surface of the Au ...large surface area covered in small Pt nanodots ...However, surface modification always shields the surface active sites of a ...the surface of the active ...

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