Microfabrication of double-network hydrogel with enhanced mechanical properties by multi-photon polymerization

Kaneto Tsunemitsu; Ryo Sano; Akira Watanabe; Hiroaki Onoe; Mitsuhiro Terakawa

doi:10.1117/12.2576707

5 March 2021 Microfabrication of double-network hydrogel with enhanced mechanical properties by multi-photon polymerization

Kaneto Tsunemitsu, Ryo Sano, Akira Watanabe, Hiroaki Onoe, Mitsuhiro Terakawa

Author Affiliations +

Proceedings Volume 11673, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVI; 1167313 (2021) https://doi.org/10.1117/12.2576707
Event: SPIE LASE, 2021, Online Only

Abstract

We demonstrate the microfabrication of double-network (DN) hydrogels by multi-photon polymerization induced by focused femtosecond laser pulses. Two different poly (ethylene glycol) diacrylate (PEGDA) solutions (Mw=700 and 4000) were cured as both structures were crossing each other, allowing overlapped structure to form double networks composed of both employed polymer chains. This method allows the spatially-selective microfabrication of DN hydrogels inside the microfabricated hydrogel structures, which would realize the hydrogel microstructures showing spatially varied distribution of strength and stiffness.

Conference Presentation

Citation Download Citation

Kaneto Tsunemitsu, Ryo Sano, Akira Watanabe, Hiroaki Onoe, and Mitsuhiro Terakawa "Microfabrication of double-network hydrogel with enhanced mechanical properties by multi-photon polymerization", Proc. SPIE 11673, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXVI, 1167313 (5 March 2021); https://doi.org/10.1117/12.2576707

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