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Updated: Apr 23, 2026

22:38
Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers
Published on: May 28, 2007
12.9K
Gels and threads: mussel-inspired one-pot route to advanced responsive materials
M Krogsgaard1, A Andersen, H Birkedal
1Department of Chemistry and iNANO, Gustav Wieds Vej 14, DK-8000 Aarhus, Denmark. hbirkedal@chem.au.dk.
Abstract:
An inexpensive one-pot route to self-healing hydrogels with pH-tunable modulus is presented. Hydrogels were formed by reacting tannic acid, trivalent metal ions and polyallylamine. Below pH 8 the hydrogels were supramolecular while above, covalent cross-linking strengthened the hydrogels. From concentrated mixtures, threads were spun, acting as water sensitive mechanical locks.

