Water Redistribution-Microdiffusion in Cement Paste under Mechanical Loading Evidenced by H-1 NMR
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We have compared calorimetric measurements with the nonlinear optical technique vibrational sum frequency scattering to investigate interface-solvent effects in colloidal gelation transitions. This allows us to explain the difference in gelation behaviour ...
Decellularized tissues composed of extracellular matrix (ECM) and used as biologic scaffolds, have been shown to be useful for the repair of a variety of tissues. The clinical utility of such scaffolds for the tissue engineering of Nucleus Pulposus (NP) mi ...
Semi-synthetic, proteolytically degradable polymer hydrogels have proven effective as scaffolds to augment bone and skin regeneration in animals. However, high costs due to expensive peptide building blocks pose a significant hurdle towards broad clinical ...
Reductive dissolution of redox-sensitive minerals such as manganese (Mn) oxides in natural sediments is an important mechanism for trace element mobilization into groundwater. A gel probe sampler has been constructed to study in situ reductive dissolution ...
A new modelling framework, called μic, has been developed to enable simulations of complex particulate growths, in particular the microstructural evolution of hydrating cement paste. μic has been developed using the vector approach, which preserves the mul ...
We present a versatile scheme to rationally modulate the hydrolysis rate of ester bonds in hydrophilic polymer networks via adjacent charged amino acids. As soluble model systems, two cysteine-bearing oligopeptides containing either positively charged argi ...
A gel probe equilibrium sampler has been developed to study arsenic (As) geochemistry and sorption behavior in sediment porewater. The gels consist of a hydrated polyacrylamide polymer, which has a 92% water content. Two types of gels were used in this stu ...
This paper presents the results of the investigation of the hydration of alkali-activated slag (AAS) by nuclear magnetic resonance spectroscopy (NMR). The cross-polarization (CP) technique was used in combination with magic-angle spinning (MAS). This resea ...
The Off-Gel™ technology is an isoelectric focusing (IEF) fractionation method which enables the purification of one or several proteins in a solution placed on an immobilised pH gradient (IPG) gel. The present thesis is devoted to its characterisation and ...
Colloid-polymer mixtures can undergo spinodal decomposition into colloid-rich and colloid-poor regions. Gelation results when interconnected colloid-rich regions solidify. We show that this occurs when these regions undergo a glass transition, leading to d ...