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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Raman, Ritu Uzel, Sebastien G. M. Sengupta, Parijat Kamm, Roger D. Bashir, Rashid Cvetkovic, Caroline Platt, Randall J. |
| Description | Author Affiliation: Raman R ( Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801); Cvetkovic C ( Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801); Uzel SG ( Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139); Platt RJ ( Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139); Sengupta P ( Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801); Kamm RD ( Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139); Bashir R ( Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801); |
| Abstract | Complex biological systems sense, process, and respond to their surroundings in real time. The ability of such systems to adapt their behavioral response to suit a range of dynamic environmental signals motivates the use of biological materials for other engineering applications. As a step toward forward engineering biological machines (bio-bots) capable of nonnatural functional behaviors, we created a modular light-controlled skeletal muscle-powered bioactuator that can generate up to 300 µN (0.56 kPa) of active tension force in response to a noninvasive optical stimulus. When coupled to a 3D printed flexible bio-bot skeleton, these actuators drive directional locomotion (310 µm/s or 1.3 body lengths/min) and 2D rotational steering (2°/s) in a precisely targeted and controllable manner. The muscle actuators dynamically adapt to their surroundings by adjusting performance in response to 'exercise' training stimuli. This demonstration sets the stage for developing multicellular bio-integrated machines and systems for a range of applications. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 13 |
| Volume Number | 113 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2016-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Muscle, Skeletal Physiology Optogenetics Animals Cell Line Equipment Design Finite Element Analysis Locomotion Mice Muscle Contraction Instrumentation Printing, Three-Dimensional Robotics Time-Lapse Imaging Tissue Engineering Evaluation Studies Research Support, U.S. Gov't, Non-P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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