To investigate the unusually strong synergetic effect of the mixture of the sulfobetaine and biosustainable/biodegradable MES Surfactants
Zwitterionic surfactants carry no net charge at the natural pH with no added electrolyte. This lack of overall charge makes their interactions with bio-systems weaker than those of ionic surfactants. The presence of charges within the overall neutral molecule generally makes them interact strongly with ionic surfactants. The methyl ester sulfonate, MES, represents a promising group of anionic surfactants with improved performance and biocompatibility/biosustainability. Recent surface tension and light scattering measurements have shown unexpected strong asymmetric synergy between these two components, and this has potentially important implications for a wide range of applications. However neutron techniques are now essential in order to understanding this potentially important phenomenon in detail and to discern the underlying mechanism. We request beam time on FIGARO to investigate the interfacial structure of MES/sulfobetaine mixtures to determine the variation in surface composition and structure with solution concentration and composition. The proposal complements a separate proposal using SANS to study the related self-assembly properties.
The data is currently only available to download if you are a member of the proposal team.
The recommended format for citing this dataset in a research publication is in the following format:
LI Peixun; MA Kun; Armando Maestro; PENFOLD Jeffrey; THOMAS Robert K. and WANG ZI. (2021). To investigate the unusually strong synergetic effect of the mixture of the sulfobetaine and biosustainable/biodegradable MES Surfactants. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1598
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This data is not yet public
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