Near-IR actuator bimorphs: soft robot locomotion and Piezo protein activation

24 November 2022, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

A novel soft actuator is designed, fabricated, and optimized from liquid marbles encased via interfacial polymerization for added mechanical strength and robustness. They are encased in bimorph-type soft actuators where one side of the actuator has a dramatically different Young’s modulus than the other, leading to directional actuation which is successfully demonstrated in multistep walking soft robots. The soft actuators were also shown to successfully activate the mechanosensitive Piezo protein in a transfected human cell line, 293T. Overall, the liquid marble powered soft actuators described here represent a new soft actuation methodology and a novel tool for mechanobiological studies.

Keywords

soft actuators
liquid marbles
mechanobiology
Piezo protein

Supplementary materials

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Title
Supporting Information for Near-IR Actuator Bimorphs: Soft Robot Locomotion and Piezo Protein Activation
Description
Additional experimental details of the liquid marble fabrication and testing, soft robot fabrication and testing, and mechanobiological analysis can be found in the Supporting Information.
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