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Issue 11, 2007
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Establishment of a fabrication method for a long-term actuated hybrid cell robot

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Abstract

We developed a novel method to fabricate a crab-like microrobot that can actuate for a long period in a physiological condition. The microrobot backbone was built with a biocompatible and elastic material—polydimethylsiloxane (PDMS)—by using a specially designed 3D molding aligner, and consisted of three strips of PDMS “legs” connected across a “body.” Cardiomyocytes were then plated on the grooved top surface of the backbone, resulting in a high concentration of pulsating cells. These key techniques enabled the microrobot to walk continuously for over ten days. The performance of our crab-like microrobot was measured at an average velocity of 100 µm s−1, and the estimated total distance it travelled was 50 m over a one-week period. Thus, we have demonstrated for the first time a walking robot that exhibited reliable and long-term actuation performances.

Graphical abstract: Establishment of a fabrication method for a long-term actuated hybrid cell robot

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Supplementary files

Article information


Submitted
11 Apr 2007
Accepted
24 Jul 2007
First published
10 Aug 2007

Lab Chip, 2007,7, 1504-1508
Article type
Paper

Establishment of a fabrication method for a long-term actuated hybrid cell robot

J. Kim, J. Park, S. Yang, J. Baek, B. Kim, S. H. Lee, E. Yoon, K. Chun and S. Park, Lab Chip, 2007, 7, 1504 DOI: 10.1039/B705367C

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