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Related papers: Mesoporous silica obtained with methyltriethoxysil…

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Mesoporous silica nanoparticles (MSNPs) have many potential applications in biomedical fields. However, when MSNPs are exposed to plasma, protein adsorption leads to opsonization and decreases blood circulation time. A new multifunctional…

Tissues and Organs · Quantitative Biology 2021-05-24 Sandra Sanchez-Salcedo , Maria Vallet-Regi , Sophia Allaf Shanin , Carlotta A. Glackin , Jeffrey I. Zink

Methanol (CH$_3$OH) and formaldehyde (H$_2$CO) are chemically coupled organic molecules proposed to act as an intermediate step between simple molecules and more complex prebiotic compounds. Their abundance distributions across disks…

In view of potential applications of magnetic particles in biomedicine and electromagnetic devices, we made use of the classical Stober method base-catalysed hydrolysis and condensation of tetraethoxysilane (TEOS) to encapsulate FeNi…

Materials Science · Physics 2009-11-13 M Ammar , F Mazaleyrat , J P Bonnet , P Audebert , A Brosseau , G Wang , Y Champion

Capillary filling dynamics of liquid n-tetracosane (n-C24H50) in a network of cylindrical pores with 7 and 10 nm mean diameter in monolithic silica glass (Vycor) exhibit an abrupt temperature-slope change at Ts=54 deg C, ~4 deg C above bulk…

Fluid Dynamics · Physics 2009-10-24 Simon Gruener , Patrick Huber

This study establishes a methanol-mediated room-temperature synthesis approach for tellurium-diol (Te-diol) compounds for use in tellurium-loaded liquid scintillator (Te-LS). The synthesis involves the direct reaction of telluric acid with…

Instrumentation and Detectors · Physics 2026-04-17 Yayun Ding , Mengchao Liu , Gaosong Li , Liangjian Wen , Fei Liu , Feng Liu , Jiayu Jiang , Zhiqi Zhang , Wenjie Li , Zhiyong Zhang

Templated porous materials, such as MCM-41, due to the uniformity of their onedimensional structure and scalability in synthesis, have emerged as an attractive medium for studying one-dimensional quantum fluids. However, the experimental…

Silica mesoporous nanomaterials have been proved to have meaningful application in biotechnology and biomedicine. Particularly, mesoporous bioactive glasses are recently gaining importance thanks to their bone regenerative properties.…

Tissues and Organs · Quantitative Biology 2021-03-19 L Polo , N Gomez-Cerezo , E Aznar , JL Vivancos , F Sancenon , D Arcos , M Vallet-Regi , R Martinez-Manez

The temperature dependence of the structure of water confined in hydrophilic mesostructured porous silica (MCM-41) and hydrophobic benzene-bridged periodic mesoporous organosilicas (PMO) is studied by Raman vibrational spectroscopy. For…

Soft Condensed Matter · Physics 2022-02-01 Benjamin Malfait , Alain Moréac , Aïcha Jani , Ronan Lefort , Patrick Huber , Michael Fröba , Denis Morineau

Many biological materials exhibit a multiscale porosity with small, mostly nanoscale pores as well as large, macroscopic capillaries to simultaneously achieve optimized mass transport capabilities and lightweight structures with large inner…

We investigate thermal rectification in nanoporous silicon using a semi-classical Monte Carlo (MC) simulation method. We consider geometrically asymmetric nanoporous structures, and investigate the combined effects of porosity, inter-pore…

Materials Science · Physics 2019-11-18 Dhritiman Chakraborty , Joshua Brooke , Nick C S Hulse , Neophytos Neophytou

It is shown that traditional estimates of the pore diameter in the porous silica material MCM-41-S15 (of order 15\AA) are too small to allow the amount of water that is absorbed by these materials (around 0.5gH2O/g substrate) to occur only…

Disordered Systems and Neural Networks · Physics 2015-05-28 Alan K Soper

The dielectric measurements of mesostructured silica MCM-41 with the pore diameter 3.5 nm at wettings close to maximal were carried out. The measurements were made by using the dielectric spectroscopy method at frequency interval from 25Hz…

Soft Condensed Matter · Physics 2012-05-31 G. S. Bordonskiy , A. A. Gurulev , A. O. Orlov , K. A. Schegrina

Bismaleimide(BMI) resin/silsesquioxane or titania nanocomposites were synthesized from bismaleimide resin and SiO3/2 or TiO2 via the sol-gel process of N-{\gamma}-triethoxylsilylpropyl-maleamic acid (TESPMA) or tetrabutyltitanate…

Materials Science · Physics 2013-04-02 Guotao Lu , Ying Huang

Porous magnetic silica beads are promising materials for biological and environmental applications due to their enhanced adsorption and ease of recovery. This work aims to develop a new, inexpensive and environmentally friendly approach…

Applied Physics · Physics 2020-05-21 David Franck Frederic Brossault , Alexander F. Routh

Inorganic-organic interfaces are important for enhancing the power conversion efficiency of silicon-based solar cells through singlet exciton fission (SF). We elucidated the structure of the first monolayers of tetracene (Tc), a SF…

Ceramic based materials covered with a mixture of mullite and zircon on the top, strengthened by the addition of zinc and magnesium compounds at different rates (37 % and 50 %) and made by a co-precipitation method are studied. The…

Applied Physics · Physics 2020-06-03 D. Bouras , A. Mecif , R. Barille , A. Harabi , M. Zaabat

We describe a set-up for studying adsorption of helium in silica aerogels, where the adsorbed amount is easily and precisely controlled by varying the temperature of a gas reservoir between 80 K and 180 K. We present validation experiments…

Soft Condensed Matter · Physics 2008-12-18 Benjamin Cross , Laurent Puech , Pierre-Etienne Wolf

Nanoporosity in silicon leads to completely new functionalities of this mainstream semiconductor. In recent years, it has been shown that filling the pores with aqueous electrolytes in addition opens a particularly wide field for modifying…

Materials Science · Physics 2023-12-08 Manuel Brinker , Patrick Huber

In this paper, we present indirect methods to define the change in the rates of hydrolysis and condensation reactions of a silica oxide network formed of (3-glycidoxypropyl)methyltriethoxysilane (GPTMS) and (3-aminopropyl)triethoxysilane…

Effective and controlled drug delivery systems with on-demand release abilities and biocompatible properties receive enormous attention for biomedical applications. Here, we describe a novel inorganic-organic hybrid material with a…

Soft Condensed Matter · Physics 2015-09-09 Stefan Datz , Hanna Engelke , Constantin v. Schirnding , Linh Nguyen , Thomas Bein