4D‐Printable Photocrosslinkable Polyurethane‐Based Inks for Tissue Scaffold and Actuator Applications
Abstract: 4D printing recently emerges as an exciting evolution of conventional 3D printing, where a printed construct can quickly transform in response to a specific stimulus to switch between a temporary variable state and an original state. In this work, a photocrosslinkable polyethylene–glycol polyurethane ink is synthesized for light‐assisted 4D printing of smart materials. The molecular weight distribution of the ink monomers is tunable by adjusting the copolymerization reaction time. Digital light processing (DLP) technique is used to program a differential swelling response in the printed constructs after humidity variation. Bioactive microparticles are embedded into the ink and the improvement of biocompatibility of the printed constructs is demonstrated for tissue engineering applications. Cell studies reveal above 90% viability in 1 week and ≈50% biodegradability after 4 weeks. Self‐folding capillary scaffolds, dynamic grippers, and film actuators are made and activated in a humid environment. The approach offers a versatile platform for the fabrication of complex constructs. The ink can be used in tissue engineering and actuator applications, making the ink a promising avenue for future research.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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4D‐Printable Photocrosslinkable Polyurethane‐Based Inks for Tissue Scaffold and Actuator Applications ; day:28 ; month:09 ; year:2023 ; extent:13
Small ; (28.09.2023) (gesamt 13)
- Creator
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Goodarzi Hosseinabadi, Hossein
Biswas, Arpan
Bhusal, Anant
Yousefinejad, Ali
Lall, Aastha
Zimmermann, Wolfram‐Hubertus
Miri, Amir K.
Ionov, Leonid
- DOI
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10.1002/smll.202306387
- URN
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urn:nbn:de:101:1-2023092915144685677261
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:54 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Goodarzi Hosseinabadi, Hossein
- Biswas, Arpan
- Bhusal, Anant
- Yousefinejad, Ali
- Lall, Aastha
- Zimmermann, Wolfram‐Hubertus
- Miri, Amir K.
- Ionov, Leonid
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