‘Bacterial nanowires’ could revolutionise bioelectronics

by David Solomonoff

The discovery that a bacterium contains microbial nanowires that can efficiently transmit electricity could lead to cheaper, nontoxic nanomaterials for biosensors and solid state electronics that interface with biological systems.

These filaments, known as microbial nanowires, can move charges efficiently  and over remarkable distances.

This could lead to new conducting nanomaterials that are living, naturally occurring, nontoxic, easier to produce and cheaper than man-made technologies.

The bacterial nanowires are tunable in a way not seen before – It’s possible to manipulate their conducting properties by simply changing the temperature or regulating gene expression to create a new strain. And by introducing a third electrode, a biofilm can act like a biological transistor.

via TG Daily

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