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Article: High-Strength Magnetic Hydrogels with Photoweldability Made by Stepwise Assembly of Magnetic-Nanoparticle-Integrated Aramid Nanofiber Composites

TitleHigh-Strength Magnetic Hydrogels with Photoweldability Made by Stepwise Assembly of Magnetic-Nanoparticle-Integrated Aramid Nanofiber Composites
Authors
Keywordsbiomimetic materials
magnetic hydrogels
nanofibers
NIR-welding
porous
soft actuators
Issue Date3-May-2023
PublisherAmerican Chemical Society
Citation
ACS Nano, 2023, v. 17, n. 10, p. 9622-9632 How to Cite?
Abstract

Hydrogels capable of transforming in response to a magnetic field hold great promise for applications in soft actuators and biomedical robots. However, achieving high mechanical strength and good manufacturability in magnetic hydrogels remains challenging. Here, inspired by natural load bearing soft tissues, a class of composite magnetic hydrogels is developed with tissue-mimetic mechanical properties and photothermal welding/healing capability. In these hydrogels, a hybrid network involving aramid nanofibers, Fe3O4 nano particles, and poly(vinyl alcohol) is accomplished by a stepwise assembly of the functional components. The engineered interactions between nanoscale constituents enable facile materials processing and confer a combination of excellent mechanical properties, magnetism, water content, and porosity. Furthermore, the photothermal property of Fe3O4 nanoparticles organized around the nanofiber network allows near-infrared welding of the hydrogels, providing a versatile means to fabricate heterogeneous structures with custom designs. Complex modes of magnetic actuation are made possible with the manufactured heterogeneous hydrogel structures, suggesting opportunities for further applications in implantable soft robots, drug delivery systems, human-machine interactions, and other technologies.


Persistent Identifierhttp://hdl.handle.net/10722/340267
ISSN
2023 Impact Factor: 15.8
2023 SCImago Journal Rankings: 4.593
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, ZC-
dc.contributor.authorZhu, HJ-
dc.contributor.authorLi, HG-
dc.contributor.authorWang, ZS-
dc.contributor.authorSun, MZ-
dc.contributor.authorYang, B-
dc.contributor.authorWang, YF-
dc.contributor.authorWang, LQ-
dc.contributor.authorXu, LZ-
dc.date.accessioned2024-03-11T10:42:54Z-
dc.date.available2024-03-11T10:42:54Z-
dc.date.issued2023-05-03-
dc.identifier.citationACS Nano, 2023, v. 17, n. 10, p. 9622-9632-
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10722/340267-
dc.description.abstract<p>Hydrogels capable of transforming in response to a magnetic field hold great promise for applications in soft actuators and biomedical robots. However, achieving high mechanical strength and good manufacturability in magnetic hydrogels remains challenging. Here, inspired by natural load bearing soft tissues, a class of composite magnetic hydrogels is developed with tissue-mimetic mechanical properties and photothermal welding/healing capability. In these hydrogels, a hybrid network involving aramid nanofibers, Fe3O4 nano particles, and poly(vinyl alcohol) is accomplished by a stepwise assembly of the functional components. The engineered interactions between nanoscale constituents enable facile materials processing and confer a combination of excellent mechanical properties, magnetism, water content, and porosity. Furthermore, the photothermal property of Fe3O4 nanoparticles organized around the nanofiber network allows near-infrared welding of the hydrogels, providing a versatile means to fabricate heterogeneous structures with custom designs. Complex modes of magnetic actuation are made possible with the manufactured heterogeneous hydrogel structures, suggesting opportunities for further applications in implantable soft robots, drug delivery systems, human-machine interactions, and other technologies.</p>-
dc.languageeng-
dc.publisherAmerican Chemical Society-
dc.relation.ispartofACS Nano-
dc.subjectbiomimetic materials-
dc.subjectmagnetic hydrogels-
dc.subjectnanofibers-
dc.subjectNIR-welding-
dc.subjectporous-
dc.subjectsoft actuators-
dc.titleHigh-Strength Magnetic Hydrogels with Photoweldability Made by Stepwise Assembly of Magnetic-Nanoparticle-Integrated Aramid Nanofiber Composites-
dc.typeArticle-
dc.identifier.doi10.1021/acsnano.3c03156-
dc.identifier.pmid37134301-
dc.identifier.scopuseid_2-s2.0-85159631630-
dc.identifier.volume17-
dc.identifier.issue10-
dc.identifier.spage9622-
dc.identifier.epage9632-
dc.identifier.eissn1936-086X-
dc.identifier.isiWOS:000984374100001-
dc.publisher.placeWASHINGTON-
dc.identifier.issnl1936-0851-

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