ISIS Neutron and Muon Source Data Journal

The effect of electrostatics on the spontaneous formation process of vesicles in surfactant mixtures

Abstract: Spontaneous vesicle formation is observed in mixtures of anionic with cationic/zwitterionic surfactants and this process can be slowed down by addition of copolymer. Aim of the planned stopped-flow SANS experiments is to elucidate the effect of electrostatic interactions between the two surfactants, which for zwitterionic TDMAO can be tuned easily, as at lower pH it becomes protonated and thereby a cationic surfactant. By additional variation of ionic strength we will modify all relevant electrostatic parameters. Using a perfluorinated anionic surfactant we can address by contrast variation the question of how homogeneous the growing disks are. The experiments will lead to a much improved understanding of how electrostatic interactions affect this spontaneous process of vesicle formation, which is important for tailoring structure and properties of kinetically controlled vesicles.

Principal Investigator: Professor Michael Gradzielski
Experimenter: Mrs Anja Hörmann
Local Contact: Dr Sarah Rogers
Experimenter: Dr Sylvain Prévost
Experimenter: Miss Miriam Simon
Experimenter: Dr Leonardo Chiappisi
Experimenter: Mr Ingo Hoffmann

DOI: 10.5286/ISIS.E.RB1810642

ISIS Experiment Number: RB1810642

Publisher: STFC ISIS Neutron and Muon Source

Data format: RAW/Nexus
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Data Citation

The recommended format for citing this dataset in a research publication is as:
[author], [date], [title], [publisher], [doi]

For Example:
Professor Michael Gradzielski et al; (2019): The effect of electrostatics on the spontaneous formation process of vesicles in surfactant mixtures, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.RB1810642

Data is released under the CC-BY-4.0 license.