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Multi-channel control of fruit fly behaviour

Fruit flies injected with magnetic nanoparticles and genetically modified to sensitize neural circuits to the rate of change in temperature have enabled subsecond behavioural responses to magnetic stimuli and multi-channel magnetic control.

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Fig. 1: Rapid behavioural control over wing posture is enabled by injecting genetically modified fruit flies with concentrated suspensions of magnetic nanoparticles.
Fig. 2: Magnetic nanoparticle with differing coercivity and selective heating enables multi-channel behavioural control.


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Correspondence to Michael G. Christiansen.

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Christiansen, M.G., Schuerle, S. Multi-channel control of fruit fly behaviour. Nat. Mater. 21, 840–842 (2022).

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