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Formation of Vesicular Structures through the Self-Assembly of a Flexible Bis-Zwitterion in Dimethyl Sulfoxide


  • We thank Prof. Dr. Frank Würthner and Dr. Marina Lysetska (Universität Würzburg, Institut für Organische Chemie) for the AFM measurements and helpful discussions. Ongoing financial support of our work by the Deutschen Forschungsgemeinschaft (DFG) and the Fonds der Chemischen Industrie is gratefully acknowledged. We thank Dr. Peter Lindner and Dr. Ralf Schweins for help with the SANS measurements at ILL, Grenoble, and the ILL for financial support.


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Small molecule, large structures: The connection of two zwitterionic binding motifs with a lipophilic alkyl linker results in an amphiphilic bis-zwitterion, which forms self-assembled vesicles even in polar solutions. The data suggest that two bis-zwitterions dimerize and then further aggregate to form vesicles, most likely driven by H-bonding and van der Waals interactions between the linkers.

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