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A Nanotube Patch to Help Heal the Heart

• http://www.technologyreview.com/
 

A conductive patch of carbon nanotubes can regenerate heart tissue growing in a dish, according to preliminary research from Brown University. The patch, made of tiny chains of carbon atoms that fold in on themselves, forming a tube, conducts electricity and mimics the rough surface of natural tissue. The more nanotubes the Brown researchers added to the patch, the more cells around it were able to regenerate.

During a heart attack, areas of the heart are deprived of oxygen, killing muscle and nerve cells used to keep the heart beating strongly and rhythmically. The tissue cannot regenerate on its own, which disrupts the heart's rhythm, weakens it, and sometimes leads to a repeat heart attack. Tissue engineers around the globe are searching for ways to regenerate or repair this damaged tissue using different types of scaffolds and stem cells.

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