Microfiber-Shaped Programmable Materials with Stimuli-Responsive Hydrogel
| Autor: | Hiroaki Onoe, Yutaka Hori, Ryuji Kawano, Shunsuke Nakajima, Koki Yoshida, Nobuki Takeuchi |
|---|---|
| Rok vydání: | 2022 |
| Předmět: |
0209 industrial biotechnology
Materials science business.product_category Stimuli responsive Alginates Microfluidics Biophysics Soft robotics 02 engineering and technology 020901 industrial engineering & automation Thermal stimulation Biomimetics Artificial Intelligence Microfiber Fiber business.industry Hydrogels Robotics 021001 nanoscience & nanotechnology Control and Systems Engineering Self-healing hydrogels Optoelectronics 0210 nano-technology business |
| Zdroj: | Soft Robotics. 9:89-97 |
| ISSN: | 2169-5180 2169-5172 |
| DOI: | 10.1089/soro.2020.0038 |
| Popis: | Programmable materials have artificially designed physical shapes responding to external stimuli, as well as high design capability and high flexibility. Here, we propose a microfiber-shaped programmable material with an axial pattern of stimuli-responsive (SR) and nonresponsive hydrogels. The SR pre-gel solution was mixed to sodium alginate pre-gel solution for instantaneous gelation with ionic crosslinking and solidified on a nonresponsive hydrogel microfiber with a valve-controlled microfluidic system. A design of microfiber-shaped programmable material (patterned position of SR regions) could be flexibly altered by changing a coded sequence program. We confirmed that the three-dimensional (3D) coil-like structures were self-folded at the patterned SR regions responding to the thermal stimulus and that the chirality of the self-folded 3D coil-like structures depends on the condition of the stimulus to the microfiber. Finally, interaction with objects using the programmable microfiber as a soft actuator was demonstrated. Our microfiber-shaped programmable materials expand possibilities of fiber-based materials in biomimetics and soft robotics fields. |
| Databáze: | OpenAIRE |
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