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A research team studied parasites to mimic their attachment mechanism and apply it to skin grafts.
What resulted is a patch with an array of cone-shaped microneedles on its underside. Each of those needles has a rigid polystyrene core, covered with a tip made from a plastic that remains rigid when dry, but that swells when wet.
The idea is that a skin graft will first be laid in place over a burn, infection, incision or other wound site, and then the patch gets placed over top of it.
