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Germanofthebored t1_j6nkh6g wrote

How do you use magnets on E.coli? Did you use the sensory systems of magnetotactic bacteria?

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intengineering t1_j6oas7f wrote

Thanks for your question! We attach nanomagnets on E. coli and control them using bigger magnets (centimeter scale) or electromagnetic coils for precise steering. Magnetized bacteria still swim using their flagellar propulsion, but follow the magnetic field lines, therefore making it possible for us to control them externally using magnetic fields.

All the best,
/birgül

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