Polymorphic transient glycolipid assemblies with tunable lifespan and cargo release

The molecular architecture of sugar-based surfactants strongly affects their self-assembled structure, i.e., the type of micelles they form, which in turn controls both the dynamics and rheological properties of the system. Here, we report the segmental and mesoscopic structure and dynamics of a series of C16 maltosides with differences in the anomeric configuration and degree of tail unsaturation. Neutron spin-echo measurements showed that the segmental dynamics can be modeled as a one-dimensional array of segments where the dynamics increase with inefficient monomer packing. The network dynamics as characterized by dynamic light scattering show different relaxation modes that can be associated with the micelle structure. Hindered dynamics are observed for arrested networks of worm-like micelles, connected to their shear-thinning rheology, while nonentangled diffusing rods relate to Newtonian rheological behavior. While the design of novel surfactants with controlled properties poses a challenge for synthetic chemistry, we demonstrate how simple variations in the monomer structure can significantly influence the behavior of surfactants.

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Polymorphic transient glycolipid assemblies with tunable lifespan and cargo release

Cited by 2 publications

References 55 publications

Nonequilibrium regulation of interfacial chemistry for transient macroscopic supramolecular assembly

Nonequilibrium regulation of interfacial chemistry for transient macroscopic supramolecular assembly

Topological Dynamics of Micelles Formed by Geometrically Varied Surfactants

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