Black Silicon Kills Bacteria with a Bed of Nails

Aug-20-16 Developed for use on medical implants, the innovative “Black Silicon” material kills bacteria with a bed of nails, reducing the chances of an infection.

The Black Silicon is lined with microscopic nails that will tear apart and destroy the tiny bacteria cells, while leaving the larger animal cells intact. In tests on lab animals, the black silicon material was able to kill pathogenic bacteria while leaving monkey kidney cells undamaged.

The black silicon was inspired by the team’s investigation of dragonfly wings, which keep themselves free of bacteria via a similar surface of tiny spikes.

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