Using selective deuteration to understand gelation
Low molecular weight gelators self-assemble in solution to give nanofibres. These entangle to form the gel networks. Understanding how the molecules are packed in these fibres is difficult. Microscopy cannot provide this information and methods such as circular dichroism often have to be carried out at concentrations that are far lower than the concentration at which the materials are to be used. We have recently shown that contrast matching approaches can be used to work out how the molecules are packing (Matter, 2020, In press). Here, we wish to exploit this methodology for a wider range of gelation types. We know that the gel properties are very different between the pH-triggered, the solvent triggered and the calcium-triggered gels. What is not clear is whether this is driven by different underlying molecular assembly. Our method should allow us to answer this key, underlying and unanswered question
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ADAMS Dave; Emily R. Draper; MATSARSKAIA Olga and SCHWEINS Ralf. (2021). Using selective deuteration to understand gelation. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1670
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