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Equilibrium and Out-of-Equilibrium Adherence of Hydrogels against Polymer Brushes

Publications associées (50)

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Strategies to Functionalize the Anionic Biopolymer Na-Alginate Without Restricting its Polyelectrolyte Properties

Sandrine Gerber, Jutta Christine Wandrey, Luca Szabó

The natural anionic polyelectrolyte alginate and its derivatives are of particular interest for pharmaceutical and biomedical applications. Most interesting for such applications are alginate hydrogels, which can be processed into various shapes, self-stan ...

2020

Influence of curing temperature on cement paste microstructure measured by H-1 NMR relaxometry

Karen Scrivener, Arnaud Charles Albert Muller

H-1 nuclear magnetic resonance (NMR) relaxometry, supported by X-Ray diffraction and thermogravimetric analysis, has been used to characterise microstructure of white cement pastes underwater cured at temperatures in the range 10 degrees C to 60 degrees C. ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Controlling topology, dynamics and function of polymer brushes via post-polymerization modification

Piotr Mocny

Polymer brushes are a class of thin coatings, where each of chains is tethered to the underlying substrate via one chain end. Densely grafted polymer brushes feature a stretched chain conformation, which in a unique way enhances their lubrication and non-b ...

EPFL2019

The mobility of water within the microstructure of hardened cement paste has been at the center of a long-lasting debate, motivated by the need to understand the fundamental mechanisms that play a role in drying, shrinkage, creep, and thermal expansion. Ou ...

AMER CHEMICAL SOC2019

Fe(II)-Catalyzed Ligand-Controlled Dissolution of Iron(hydr)oxides

Janet Gordon Hering

Dissolution of iron(III)phases is a key process in soils, surface waters, and the ocean. Previous studies found that traces of Fe(II) can greatly increase ligand controlled dissolution rates at acidic pH, but the extent that this also occurs at circumneutr ...

AMER CHEMICAL SOC2019

Are pi-pi Interactions in Ionic Liquids Related to Conductivities?

Paul Joseph Dyson, Rosario Scopelliti, Zhaofu Fei, Farzaneh Fadaei Tirani, Zhangjun Huang

A series of functionalised imidazolium halide salts with substituents able to form pi-bonds have been prepared and characterised. Subsequent reaction of these imidazolium halides with Ag[C(CN)(3)] affords imidazolium-based ionic liquids (ILs), some of whic ...

WILEY-V C H VERLAG GMBH2018

The thesis describes the utilization of dative boron-nitrogen bond is used for the construction of new materials. In chapter 2.1, the synthesis of new organogels based on bisimidazolyl ligands and diboronate esters is described. Gels with a critical gel co ...

EPFL2016

Supramolecular rubbers incorporating a large number of physical cross-links through cooperative hydrogen bonds display high self-healing properties but limited solvent and creep resistance due to the lack of chemical cross-links. Increasing both chemical c ...

Amer Chemical Soc2015

A four-component organogel based on orthogonal chemical interactions

Kay Severin, Kurt Schenk, Nicolas Luisier

A thermoresponsive organogel was obtained by orthogonal assembly of four compounds using dynamic covalent boronate ester and imine bonds, as well as dative boron-nitrogen bonds. It is shown that the gel state can be disrupted or reinforced by chemicals whi ...

Royal Society of Chemistry2014

New analytical tools combining gel electrophoresis and mass spectrometry

Elena Tobolkina

Proteomics has been one of the main projects challenging biological and analytical chemists for many years. The separation, identification and quantification of all the proteins expressed within biological systems remain the main objectives of proteomics. ...

EPFL2014