Results 251 to 260 of about 211,621 (304)

Al(SO₄)(OH)·5H₂O Stemming from Complexation of Aluminum Sulfate with Water-Soluble Ternary Copolymer and further Stabilized by Silica Gel as Effective Admixtures for Enhanced Mortar Cementing. [PDF]

Materials (Basel)
Song Z, Bibi Z, Chaudhary S, Jia Q, Li X, Sun Y.   +5 more
europepmc   +1 more source

[Synergistic removal of malachite green and Cr(Ⅵ) using ethylenediamine disuccinic acid functionalized silica gel]. [PDF]

Se Pu
Yao L, He M, Hu HB, Zhao L, Lü YW, Li R.   +5 more
europepmc   +1 more source

Efficient Selective CO₂ Composite Sorbent from Amino Acid Ionic Liquids and Silica Gel: ²H NMR Spectroscopy Provides Insight on the CO₂-Binding Mechanism and in-Pore Microscopic Viscosity. [PDF]

ChemSusChem
Sheshkovas AZ, Khudozhitkov AE, Veselovskaya JV, Kolokolov DI, Stepanov AG, Ludwig R.   +5 more
europepmc   +1 more source

A Ruthenium‐(Ph‐BPE) Catalyst for Asymmetric Alkynylation of Fluoral: Enantioselection From 1 of 12 Fluxional Stereogenic‐at‐Ruthenium Complexes

Angewandte Chemie International Edition, EarlyView.
The first enantioselective alkynylations of aqueous fluoral are described. These processes are catalyzed by an iodide‐bound ruthenium‐(Ph‐BPE)‐catalyst; an octahedral metal complex that can exist as 12 diastereomeric‐at‐metal isomers. Calculations reveal that 2 of 12 stereoisomeric complexes account for 99.9% of the Boltzmann population and that ...
Weijia Shen, Sebastian Höthker, Colin E. Hayter, Nicholas K. Bowers, Andrea Pellegrini, Stefan Grimme, Michael J. Krische   +6 more
wiley   +1 more source

Optimized Selenium‐Doped Nanocomposites for Enhanced Polymer Gel Performance in Permeability Reduction

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Excessive water production in mature oil fields necessitates robust shut‐off treatments, yet conventional polymer gels often fail under high‐temperature and high‐salinity conditions. This study aims to enhance gel thermal stability and mechanical strength by incorporating selenium‐doped Ag/AgO–ZnO nanocomposites synthesized via a novel green ...
Fadhil F. Sead, Farag M. A. Altalbawy, M. Sudhakara Reddy, Badri Narayan Sahu, Sridharan Sundharam, Sanjeev Kumar, Atreyi Pramanik, Aseel Smerat, Fatimah Pashtun   +8 more
wiley   +1 more source

Photocatalytic silica gel

Focus on Catalysts, 2006
openaire   +1 more source

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Structure of silica gels

Physical Review Letters, 1991
The structure of silica hydrogels has been studied by elastic light scattering. Like colloidal silica gels and neutrally catalyzed aerogels, these gels show mass fractal behavior at length scales below a crossover length \ensuremath{\xi} and scatter like a spatially random distribution of fractal objects for length scales g\ensuremath{\xi}.
F. FERRI, B. J. FRISKEN, D. S. CANNELL
openaire   +3 more sources

Living bacteria in silica gels

Nature Materials, 2002
The encapsulation of enzymes within silica gels has been extensively studied during the past decade for the design of biosensors and bioreactors. Yeast spores and bacteria have also been recently immobilized within silica gels where they retain their enzymatic activity, but the problem of the long-term viability of whole cells in an inorganic matrix ...
Nadine, Nassif, Odile, Bouvet, Marie, Noelle Rager, Cécile, Roux, Thibaud, Coradin, Jacques, Livage   +5 more
openaire   +2 more sources

Crystallization of macromolecules in silica gels

Acta Crystallographica Section D Biological Crystallography, 1994
Procedures are described for the crystallization of proteins, nucleic acids and viruses in a silica-gel matrix using otherwise standard reagents and conditions. Methods are given based on both vapor diffusion in a sitting drop and liquid-liquid diffusion.
R, Cudney, S, Patel, A, McPherson
openaire   +2 more sources