Chemotactic behavior and dynamics of bacteria propelled microbeads
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Date
2011
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Conference Paper
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no
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Abstract
Flagellated bacteria have been well understood in regards to its adhesion to surfaces and in swimming propulsion. However, its ability to be used as a source of propulsion for artificial microsystems is of great interest to the micro-robotics community; its high efficiency in converting chemical energy to motion is highly attractive for microsystems that demand a low payload and high rate of actuation. In this paper, we describe the behavior of Serratia marcescens bacteria-propelled polystyrene beads in the presence of a chemoattractant, L-threonine. We compare the results of this chemotactic behavior to that bacteria-propelled bead without a chemoattractant. The results from this analysis indicate a clear sign of directionality, as well as an improved bead velocity, for the bacteria-attached microbeads in the presence of a chemoattractant.
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2011 IEEE/RSJ International Conference on Intelligent Robots and Systems
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1674 - 1679
Publisher
IEEE
Event
IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2011)
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09726 - Sitti, Metin (ehemalig) / Sitti, Metin (former)