Journal
INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH
Volume 28, Issue 4, Pages 571-582Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0278364908100924
Keywords
nanorobots; bacteria; magnetotaxis; medical robotics; bacterial nanorobots; MRI; blood vessels
Categories
Funding
- Canada Research Chair (CRC)
- National Sciences and Engineering Research Council of Canada (NSERC)
- Province of Quebec
- Canada Foundation for Innovation (CFI)
- National Institute of Biomedical Imaging and Bioengineering [R21EB007506]
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Although nanorobots may play critical roles for many applications in the human body, such as targeting tumoral lesions for therapeutic purposes, miniaturization of the power source with an effective onboard controllable propulsion and steering system have prevented the implementation of such mobile robots. Here, we show that the flagellated nanomotors combined with the nanometer-sized magnetosomes of a single magnetotactic bacterium can be used as an effective integrated propulsion and steering system for devices, such as nanorobots, designed for targeting locations only accessible through the smallest capillaries in humans while being visible for tracking and monitoring purposes using modern medical imaging modalities such as magnetic resonance imaging. Through directional and magnetic field intensities, the displacement speeds, directions, and behaviors of swarms of these bacterial actuators can be controlled from an external computer.
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