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Device and programming abstractions for spatiotemporal control of active micro-particle swarms.

A. Lam,Karina G. Samuel-Gama,J. Griffin,M. Loeun,L. C. Gerber,Zahid Hossain,Nate J. Cira,Seung A Lee,I. Riedel-Kruse

Published 2017 in Lab on a Chip

ABSTRACT

We present a hardware setup and a set of executable commands for spatiotemporal programming and interactive control of a swarm of self-propelled microscopic agents inside a microfluidic chip. In particular, local and global spatiotemporal light stimuli are used to direct the motion of ensembles of Euglena gracilis, a unicellular phototactic organism. We develop three levels of programming abstractions (stimulus space, swarm space, and system space) to create a scripting language for directing swarms. We then implement a multi-level proof-of-concept biotic game using these commands to demonstrate their utility. These device and programming concepts will enhance our capabilities for manipulating natural and synthetic swarms, with future applications for on-chip processing, diagnostics, education, and research on collective behaviors.

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