Effect of counterion on extensional viscosity
Some functionalised dipeptides can self-assemble in water (and D2O) to form long anisotropic structures. These impart viscosity to the solutions and also extensional viscosity (the samples become very “stringy”). Typically, we prepare our samples using sodium hydroxide, but we have found that simply changing the nature of the hydroxide can have a significant effect on both the viscosity and extensional viscosity. Here, we wish to understand why this occurs. For example, is this due to different self-assembled structures being formed or some other effect.
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ADAMS Dave; Emily R. Draper; MATSARSKAIA Olga and SCHWEINS Ralf. (2021). Effect of counterion on extensional viscosity. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1638
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