Results 1 to 10 of about 670,277 (302)

Hollow Silica Particles: A Novel Strategy for Cost Reduction

Nanomaterials, 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, David A. Cullen, Georgios Polizos, Nitin Muralidharan, Jaswinder Sharma   +4 more
doaj   +1 more source

Functionalized Mesoporous Thin Films for Biotechnology

Micromachines, 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, Heinz Amenitsch, Benedetta Marmiroli   +2 more
doaj   +1 more source

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

Литьë 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, V. O. Yemelyanov, K. V. Martynov   +2 more
doaj   +1 more source

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

Bulletin 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, Chaowat Autthanit, Piyasan Praserthdam, Bunjerd Jongsomjit   +3 more
doaj   +1 more source

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

Journal 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, WANG Bo-tao, LI Fang-liang, TENG Cheng-jun, TAN Jun-yan   +4 more
doaj   +1 more source

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

Iranian 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, Seyed mohammad saeed Alavi, hossein Sarpoolaky   +2 more
doaj  

Toxicity to RAW264.7 Macrophages of Silica Nanoparticles and the E551 Food Additive, in Combination with Genotoxic Agents

Nanomaterials, 2020
Synthetic amorphous silica (SAS) is used in a plethora of applications and included in many daily products to which humans are exposed via inhalation, ingestion, or skin contact.
Fanny Dussert, Pierre-Adrien Arthaud, Marie-Edith Arnal, Bastien Dalzon, Anaëlle Torres, Thierry Douki, Nathalie Herlin, Thierry Rabilloud, Marie Carriere   +8 more
doaj   +1 more source

Removal of 2,4-Dichloro Phenoxy Acetic Acid by Silica Particles Obtained from the Siliceous Sand of Houeyogbe(Republic of Benin) [PDF]

Journal of Water and Environmental Nanotechnology
In this study, silica sands from the commune of Houéyogbé were used to synthesize silica particles by the sol-gel method, using sodium silicate as the reaction precursor.
Houefaannick Leslie Glitho, Etienne V. Sagbo, Sèmiyou A. Osseni, Sidoine S. Bonou, Arthur Cakpo, Ignace Agani, Armel Laibi, Wariskéwouyèmi Chouti   +7 more
doaj   +1 more source

Ionic Liquids-Containing Silica Microcapsules: A Potential Tunable Platform for Shaping-Up Epoxy-Based Composite Materials?

Nanomaterials, 2020
In this work, silica microcapsules containing phosphonium ionic liquid (IL), denoted SiO2@IL, were successfully synthesized for the first time using the one step sol-gel method in IL/H20 emulsion.
Ting Shi, Sébastien Livi, Jannick Duchet, Jean-François Gérard   +3 more
doaj   +1 more source

Effect of Five Types Inert Dust to Rhyzopertha dominica (Fabricius) (Coleoptera: Bostrichidae) in Stored Rice Seeds

Journal of Experimental Life Science, 2019
Rhyzopertha dominica (F.) is one of the primary pests in stored rice. Generally, pest control in the storage was done by spraying and fumigation using synthetic insecticide.
Ludji Pantja Astuti, Rohmatin Maula, Akhmad Rizali, Muhammad Bayu Mario   +3 more
doaj   +1 more source