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Multi-domain ordering of coacervate-core based hydrogels unraveled by SANS and solid-state DNP

A novel category of hydrogel material has been developed (Hawker, Kramer)that form spontaneously in  water through complexation of polyelectrolyte endblocks of PEG-based triblock polyelectrolytes—inspired by Waite’s mussel adhesion studies.

SANS (Kramer) and dynamic nuclear polarization (DNP)-enhanced NMR; (Han) reveal that these complexes form dense, yet fluid, coacervate core domains with significant ordering.