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Bioinspired underwater locomotion of light-driven liquid crystal gels
Open accessAbstract
Significance: Untethered dynamic shape programming and control of soft materials have significant applications in technologies such as soft robots, medical devices, organ-on-a-chip, and optical devices. Here, we present a solution to remotely actuate and move soft materials underwater in a fast, efficient, and controlled manner using photoresponsive liquid crystal gels (LCGs). LCG constructs with engineered molecular alignment show a low and sharp phase-transition temperature and experience considerable density reduction by light exposure, thereby allowing rapid and reversible shape changes. We demonstrate different modes of underwater locomotion, such as crawling, walking, jumping, and swimming, by localized and time-varying illumination of LCGs. The diverse locomotion modes of smart LCGs can provide a new toolbox for designing efficient light-fueled soft robots in fluid-immersed media.
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Cites
Liquid crystalline polymer cantilever oscillators fueled by light
Serak, S., Tabiryan, N., Vergara, R., White, T. J., Vaia, R. A., & Bunning, T. J. (2010) · Soft Matter · doi:10.1039/b916831a · Cited by 385
Cited by
3D printing of functional microrobots
Li, J., & Pumera, M. (2021) · Chemical Society Reviews · doi:10.1039/d0cs01062f · Cited by 303
Ultrasound-activated ciliary bands for microrobotic systems inspired by starfish
Dillinger, C., Nama, N., & Ahmed, D. (2021) · Nature Communications · doi:10.1038/s41467-021-26607-y · Cited by 149
Metadata
- Authors
- Shahsavan, H., Aghakhani, A., Zeng, H., Guo, Y., Davidson, Z. S., Priimagi, A., & Sitti, M.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2020-02-24
- Volume
- 117
- Issue
- 10
- Pages
- 5125-5133
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W3007162068
- Cited by
- 370
- References
- 1
- FWCI
- 27.43
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Shahsavan, H., Aghakhani, A., Zeng, H., Guo, Y., Davidson, Z. S., Priimagi, A., & Sitti, M. (2020). Bioinspired underwater locomotion of light-driven liquid crystal gels. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1917952117
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