A comparative study of tough hydrogen bonding dissipating hydrogels made with different network structures

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dc.citation.issue10
dc.citation.volume3
dc.contributor.authorNarasimhan BN
dc.contributor.authorDeijs GS
dc.contributor.authorManuguri S
dc.contributor.authorTing MSH
dc.contributor.authorWilliams MAK
dc.contributor.authorMalmström J
dc.coverage.spatialEngland
dc.date.accessioned2024-01-12T02:01:29Z
dc.date.accessioned2024-07-25T06:51:04Z
dc.date.available2021-03-29
dc.date.available2024-01-12T02:01:29Z
dc.date.available2024-07-25T06:51:04Z
dc.date.issued2021-05-21
dc.description.abstractHydrogels are excellent soft materials to interface with biological systems. Precise control and tunability of dissipative properties of gels are particularly interesting in tissue engineering applications. In this work, we produced hydrogels with tunable dissipative properties by photopolymerizing a second polymer within a preformed cross-linked hydrogel network of poly(acrylamide). We explored second networks made with different structures and capacity to hydrogen bond with the first network, namely linear poly(acrylic acid) and branched poly(tannic acid). Gels incorporating a second network made with poly(tannic acid) exhibited excellent stiffness (0.35 ± 0.035 MPa) and toughness (1.64 ± 0.26 MJ m-3) compared to the poly(acrylic acid) counterparts. We also demonstrate a strategy to fabricate hydrogels where the dissipation (loss modulus) can be tuned independently from the elasticity (storage modulus) suitable for cell culture applications. We anticipate that this modular design approach for producing hydrogels will have applications in tailored substrates for cell culture studies and in load bearing tissue engineering applications.
dc.description.confidentialfalse
dc.format.pagination2934-2947
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/36134190
dc.identifier.citationNarasimhan BN, Deijs GS, Manuguri S, Ting MSH, Williams MAK, Malmström J. (2021). A comparative study of tough hydrogen bonding dissipating hydrogels made with different network structures.. Nanoscale Adv. 3. 10. (pp. 2934-2947).
dc.identifier.doi10.1039/d1na00103e
dc.identifier.eissn2516-0230
dc.identifier.elements-typejournal-article
dc.identifier.issn2516-0230
dc.identifier.piid1na00103e
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71008
dc.languageeng
dc.publisherRoyal Society of Chemistry
dc.publisher.urihttps://pubs.rsc.org/en/content/articlelanding/2021/NA/D1NA00103E
dc.relation.isPartOfNanoscale Adv
dc.rights(c) 2021 The Author/s
dc.rightsCC BY-NC 3.0
dc.rights.urihttps://creativecommons.org/licenses/by-nc/3.0/
dc.titleA comparative study of tough hydrogen bonding dissipating hydrogels made with different network structures
dc.typeJournal article
pubs.elements-id445930
pubs.organisational-groupOther
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