University of Tokyo have
built a robotic finger that, much like Arnold Schwarzenegger’s titular cyborg assassin, is covered in living human skin
Super realistic-looking robots
could more seamlessly interact with humans in medical care and service industries, say biohybrid engineer Shoji Takeuchi
To cover the finger in skin,
Takeuchi and colleagues submerged the robotic digit in a blend of collagen and human skin cells called dermal fibroblasts
Team poured a liquid
containing human keratinocyte cells onto the finger, which formed an outer skin layer, or epidermis.
The lab-made skin
was strong and stretchy enough to withstand the robotic finger bending. It could also heal itself
When researchers made a small
cut on the robotic finger and covered it with a collagen bandage, the skin’s fibroblast cells merged the bandage with the rest of the skin within a week
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