Magnetic nano-'shepherds' organize cells

The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish that growth.

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<p><a href="http://www.physorg.com/news157731834.html">Magnetic nano-'shepherds' organize cells</a></p> <p>The power of magnetism may address a major problem facing bioengineers as they try to create new tissue -- getting human cells to not only form structures, but to stimulate the growth of blood vessels to nourish that growth.</p>