Publications
1.
Liu, Jiayu; Erol, Ozan; Pantula, Aishwarya; Liu, Wangqu; Jiang, Zhuoran; Kobayashi, Kunihiko; Chatterjee, Devina; Hibino, Narutoshi; Romer, Lewis H.; Kang, Sung Hoon; Nguyen, Thao D.; Gracias, David H.
Dual-Gel 4D Printing of Bioinspired Tubes Journal Article
In: ACS Applied Materials & Interfaces, 2019.
@article{doi:10.1021/acsami.8b17218,
title = {Dual-Gel 4D Printing of Bioinspired Tubes},
author = {Jiayu Liu and Ozan Erol and Aishwarya Pantula and Wangqu Liu and Zhuoran Jiang and Kunihiko Kobayashi and Devina Chatterjee and Narutoshi Hibino and Lewis H. Romer and Sung Hoon Kang and Thao D. Nguyen and David H. Gracias},
url = {https://doi.org/10.1021/acsami.8b17218},
doi = {10.1021/acsami.8b17218},
year = {2019},
date = {2019-01-29},
journal = {ACS Applied Materials & Interfaces},
abstract = {The distribution of periodic patterns of materials with radial or bilateral symmetry is a universal natural design principle. Among the many biological forms, tubular shapes are a common motif in many organisms, and they are also important for bioimplants and soft robots. However, the simple design principle of strategic placement of 3D printed segments of swelling and nonswelling materials to achieve widely different functionalities is yet to be demonstrated. Here, we report the design, fabrication, and characterization of segmented 3D printed gel tubes composed of an active thermally responsive swelling gel (poly N-isopropylacrylamide) and a passive thermally nonresponsive gel (polyacrylamide). Using finite element simulations and experiments, we report a variety of shape changes including uniaxial elongation, radial expansion, bending, and gripping based on two gels. Actualization and characterization of thermally induced shape changes are of key importance to robotics and biomedical engineering. Our studies present rational approaches to engineer complex parameters with a high level of customization and tunability for additive manufacturing of dynamic gel structures.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The distribution of periodic patterns of materials with radial or bilateral symmetry is a universal natural design principle. Among the many biological forms, tubular shapes are a common motif in many organisms, and they are also important for bioimplants and soft robots. However, the simple design principle of strategic placement of 3D printed segments of swelling and nonswelling materials to achieve widely different functionalities is yet to be demonstrated. Here, we report the design, fabrication, and characterization of segmented 3D printed gel tubes composed of an active thermally responsive swelling gel (poly N-isopropylacrylamide) and a passive thermally nonresponsive gel (polyacrylamide). Using finite element simulations and experiments, we report a variety of shape changes including uniaxial elongation, radial expansion, bending, and gripping based on two gels. Actualization and characterization of thermally induced shape changes are of key importance to robotics and biomedical engineering. Our studies present rational approaches to engineer complex parameters with a high level of customization and tunability for additive manufacturing of dynamic gel structures.
Note: Send e-mail to Prof. Kang at [email protected] if you need a pdf file of the papers below.
2019
Liu, Jiayu; Erol, Ozan; Pantula, Aishwarya; Liu, Wangqu; Jiang, Zhuoran; Kobayashi, Kunihiko; Chatterjee, Devina; Hibino, Narutoshi; Romer, Lewis H.; Kang, Sung Hoon; Nguyen, Thao D.; Gracias, David H.
Dual-Gel 4D Printing of Bioinspired Tubes Journal Article
In: ACS Applied Materials & Interfaces, 2019.
Abstract | Links | BibTeX | Tags: 3D printing; architected materials; multilateral; mechanics of soft materials and structures; stimuli-responsive; implants; 4D printing; biomedical engineering, bio-inspired science and engineering, Symmetry Breaking
@article{doi:10.1021/acsami.8b17218,
title = {Dual-Gel 4D Printing of Bioinspired Tubes},
author = {Jiayu Liu and Ozan Erol and Aishwarya Pantula and Wangqu Liu and Zhuoran Jiang and Kunihiko Kobayashi and Devina Chatterjee and Narutoshi Hibino and Lewis H. Romer and Sung Hoon Kang and Thao D. Nguyen and David H. Gracias},
url = {https://doi.org/10.1021/acsami.8b17218},
doi = {10.1021/acsami.8b17218},
year = {2019},
date = {2019-01-29},
journal = {ACS Applied Materials & Interfaces},
abstract = {The distribution of periodic patterns of materials with radial or bilateral symmetry is a universal natural design principle. Among the many biological forms, tubular shapes are a common motif in many organisms, and they are also important for bioimplants and soft robots. However, the simple design principle of strategic placement of 3D printed segments of swelling and nonswelling materials to achieve widely different functionalities is yet to be demonstrated. Here, we report the design, fabrication, and characterization of segmented 3D printed gel tubes composed of an active thermally responsive swelling gel (poly N-isopropylacrylamide) and a passive thermally nonresponsive gel (polyacrylamide). Using finite element simulations and experiments, we report a variety of shape changes including uniaxial elongation, radial expansion, bending, and gripping based on two gels. Actualization and characterization of thermally induced shape changes are of key importance to robotics and biomedical engineering. Our studies present rational approaches to engineer complex parameters with a high level of customization and tunability for additive manufacturing of dynamic gel structures.},
keywords = {3D printing; architected materials; multilateral; mechanics of soft materials and structures; stimuli-responsive; implants; 4D printing; biomedical engineering, bio-inspired science and engineering, Symmetry Breaking},
pubstate = {published},
tppubtype = {article}
}
The distribution of periodic patterns of materials with radial or bilateral symmetry is a universal natural design principle. Among the many biological forms, tubular shapes are a common motif in many organisms, and they are also important for bioimplants and soft robots. However, the simple design principle of strategic placement of 3D printed segments of swelling and nonswelling materials to achieve widely different functionalities is yet to be demonstrated. Here, we report the design, fabrication, and characterization of segmented 3D printed gel tubes composed of an active thermally responsive swelling gel (poly N-isopropylacrylamide) and a passive thermally nonresponsive gel (polyacrylamide). Using finite element simulations and experiments, we report a variety of shape changes including uniaxial elongation, radial expansion, bending, and gripping based on two gels. Actualization and characterization of thermally induced shape changes are of key importance to robotics and biomedical engineering. Our studies present rational approaches to engineer complex parameters with a high level of customization and tunability for additive manufacturing of dynamic gel structures.