Complex solutions under shear and pressure : a rheometer setup for X-ray scattering experiments

A newly developed high-pressure rheometer for in situ X-ray scattering experiments is described. A commercial rheometer was modified in such a way that X-ray scattering experiments can be performed under different pressures and shear. First experiments were carried out on hyaluronan, a ubiquitous bi...

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Détails bibliographiques
Publié dans:Journal of synchrotron radiation. - 1994. - 24(2017), Pt 3 vom: 01. Mai, Seite 646-652
Auteur principal: Wieland, D C F (Auteur)
Autres auteurs: Zander, T, Garamus, V M, Krywka, C, Dedinaite, A, Claesson, P, Willumeit-Römer, R
Format: Article en ligne
Langue:English
Publié: 2017
Accès à la collection:Journal of synchrotron radiation
Sujets:Journal Article Research Support, Non-U.S. Gov't complex solutions hyaluronan pressure rheology small-angle X-ray scattering
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520 |a A newly developed high-pressure rheometer for in situ X-ray scattering experiments is described. A commercial rheometer was modified in such a way that X-ray scattering experiments can be performed under different pressures and shear. First experiments were carried out on hyaluronan, a ubiquitous biopolymer that is important for different functions in the body such as articular joint lubrication. The data hint at a decreased electrostatic interaction at higher pressure, presumably due to the increase of the dielectric constant of water by 3% and the decrease of the free volume at 300 bar 
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