Microscopic "walkers" find their way across cell surfaces

Thursday, October 23, 2014 - 05:30 in Biology & Nature

Nature has developed a wide variety of methods for guiding particular cells, enzymes, and molecules to specific structures inside the body: White blood cells can find their way to the site of an infection, while scar-forming cells migrate to the site of a wound. But finding ways of guiding artificial materials within the body has proven more difficult.

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