Journal
JOURNAL OF MATERIALS CHEMISTRY B
Volume 2, Issue 17, Pages 2467-2472Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3tb21374a
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Funding
- National Science Foundation (NSF) Materials Research and Engineering Centers (MRSEC) Program at the University of Chicago [DMR-0820054]
- Danish Council for Independent Research, Natural Sciences for a Post-Doctoral Fellowship [272-08-0087]
- University of Chicago Materials Research Science and Engineering Center [DMR 0820054]
- NASA [NNX09AV99G]
- Alexander Humboldt Foundation
- Max Planck Society
- NIH NRSA [F30 HL096292]
- NIH [R37DE014193]
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [F30HL096292] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF DENTAL & CRANIOFACIAL RESEARCH [R37DE014193] Funding Source: NIH RePORTER
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Growing evidence supports a critical role of dynamic metal-coordination crosslinking in soft biological material properties such as self-healing and underwater adhesion. Using bio-inspired metal-coordinating polymers, initial efforts to mimic these properties have shown promise. Here we demonstrate how bio-inspired aqueous polymer network mechanics can be easily controlled via metal-coordination crosslink dynamics; metal ion-based crosslink stability control allows aqueous polymer network relaxation times to be finely tuned over several orders of magnitude. In addition to further biological material insights, our demonstration of this compositional scaling mechanism should provide inspiration for new polymer material property-control designs.
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