Science has created tiny electronics which can be injected into the brain

A close up of tiny mesh electronics through a metal needle. Image: Lieber Research Group, Harvard University

Researchers have developed tiny flexible electronics which can be injected into living tissue and used as monitors.

The electronics allowed scientists to monitor the brain activity of living mice with little damage to tissue, according to the study in the journal in Nature Nanotechnology.

The flexible mesh devices, which can be injected through a needle with a diametre as small as 0.1 mm, unfold to their original shape in less than an hour.

Charles Lieber of Harvard University and Ying Fang of the National Centre for Nanoscience and Technology and colleagues injected the electronics into two distinct brain regions in live mice.

The electronics produced no immune response over a five weeks and were able to network with healthy neurons.

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