Results 11 to 20 of about 645,607 (300)

Molecular pathways of silica nanoparticle formation and biosilicification [PDF]

open access: yes, 2008
Biosilicification and silica nanoparticle formation occur in many modem terrestrial environments and they also played an important role in ancient geological settings.
Tobler, Dominique Jeanette
core   +7 more sources

Rice Husk Ash as a Renewable Source for the Production of Value Added Silica Gel and its Application: An Overview [PDF]

open access: yes, 2012
In recent years, silica gels have developed a lot of interest due to their extraordinary properties and their existing and potential applications in science and technology.
Pandey, Monika   +3 more
core   +2 more sources

Iron Oxide–Silica Core–Shell Nanoparticles Functionalized with Essential Oils for Antimicrobial Therapies

open access: yesAntibiotics, 2021
Recent years have witnessed a tremendous interest in the use of essential oils in biomedical applications due to their intrinsic antimicrobial, antioxidant, and anticancer properties.
Cristina Chircov   +9 more
doaj   +1 more source

Spherical oligo-silicic acid SOSA disclosed as possible endogenous digitalis-like factor

open access: yesFrontiers in Endocrinology, 2015
Na+/K+-ATPase is a membrane ion-transporter protein, specifically inhibited by digitalis glycosides used in cardiac-therapy. The existence in mammals of some endogenous digitalis-like factors (EDLF) as presumed ATPase ligands is generally accepted.
Franz eKerek, Victor A Voicu
doaj   +1 more source

Hollow Silica Particles: A Novel Strategy for Cost Reduction

open access: yesNanomaterials, 2021
Thermal insulation materials are highly sought after for applications such as building envelopes, refrigerators, cryogenic fuel storage chambers, and water supply piping.
Daron Spence   +4 more
doaj   +1 more source

Functionalized Mesoporous Thin Films for Biotechnology

open access: yesMicromachines, 2021
Mesoporous materials bear great potential for biotechnological applications due to their biocompatibility and versatility. Their high surface area and pore interconnection allow the immobilization of molecules and their subsequent controlled delivery ...
Barbara Sartori   +2 more
doaj   +1 more source

Production of Acetaldehyde via Oxidative Dehydrogenation of Ethanol over AgLi/SiO2 Catalysts

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2020
Three AgLi/SiO2 catalysts containing different types of silica supports [small particle size (SPS), medium particle size (MPS) and large particle size (LPS)] were prepared by incipient wetness co-impregnation techniques and tested in oxidative ...
Narawich Mukda   +3 more
doaj   +1 more source

Dependence of the fractality of the silica gel on the method of sol emulsification

open access: yesЛитьë и металлургия, 2021
The article presents experimental data confirming the effect of capillary active substance (surfactants) and sedimentation stability on the final structure of the gel with stabilized silicic acid.
S. S. Tkachenko   +2 more
doaj   +1 more source

Non-isothermal Curing Kinetics and Heat Resistance of SCE-SiO 2 /PES-MBAE Composites

open access: yesJournal of Harbin University of Science and Technology, 2017
In order to study curing kinetics and heat resistance of supercritical silica(SCE-SiO 2 ) / polyether sulfone(PES) /diallyl bisphenol A(BBA) /bisphenol A diallyl oxide(BBE) /bismaleimide(MBMI),(BBA BBE/MBMI expressed in MBAE). The micro morphology of the
CHEN Yu-fei   +4 more
doaj   +1 more source

Effect of Chemical Composition on Microstructure and Hydrophobic Properties of SiO2-TiO2@PDMS Coating [PDF]

open access: yesIranian Journal of Materials Science and Engineering, 2023
We report a simple and practical approach for the easy production of superhydrophobic coatings based on TiO2-SiO2@PDMS. In this study, we used tetraethylorthosilicate (TEOS) and titanium tetraisopropoxide (TTIP) as a precursor for the sol-gel synthesis ...
amirreza Sazvar   +2 more
doaj  

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