The autonomous manipulation and assembly at the micro and nanoscale continues to be one of the main challenges in the field of micro/nanorobotics. On the other hand, biomotors are increasingly being considered as robust, versatile and cost-effective choices for a variety of micro/nanorobotic tasks. Here we propose the utilization of the motility and chemotaxis in flagellated bacteria to autonomously sort spherical particles with 6 μm and 10 μm in diameter within a microfluidic platform. Surface chemistry methods are utilized to selectively self-assemble bacteria onto the 6 μm diameter particles and separate them from 10 μm diameter particles via chemotaxis. It has been shown that within 1 hour, an increasingly larger number of 6 μm diameter particles accumulate within a 600 μm radius, near the chemo-attractant source.
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ASME 2012 Summer Bioengineering Conference
June 20–23, 2012
Fajardo, Puerto Rico, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4480-9
PROCEEDINGS PAPER
Autonomous Sorting of Micro-Particles Using Bacterial Chemotaxis
Mahama A. Traore,
Mahama A. Traore
Virginia Tech, Blacksburg, VA
Search for other works by this author on:
Bahareh Behkam
Bahareh Behkam
Virginia Tech, Blacksburg, VA
Search for other works by this author on:
Mahama A. Traore
Virginia Tech, Blacksburg, VA
Bahareh Behkam
Virginia Tech, Blacksburg, VA
Paper No:
SBC2012-80827, pp. 949-950; 2 pages
Published Online:
July 19, 2013
Citation
Traore, MA, & Behkam, B. "Autonomous Sorting of Micro-Particles Using Bacterial Chemotaxis." Proceedings of the ASME 2012 Summer Bioengineering Conference. ASME 2012 Summer Bioengineering Conference, Parts A and B. Fajardo, Puerto Rico, USA. June 20–23, 2012. pp. 949-950. ASME. https://doi.org/10.1115/SBC2012-80827
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