Doris Taylor, a cardiac researcher, director at the Center for Cardiovascular Repair, may very well be the first scientist in the world to have ever built an artificial heart. Using only organic rat cells, she was able to make a dead heart beat and grow again, all in a bioreactor at the University of Minnesota. Though she did that in late 2005, it was only recently that she published her findings in the Nature Medicine journal.
he process of reviving the heart was "fairly" simple. Taylor took a heart from a dead rat and meticulously cleaned all the cells off it, by using a special detergent. Then, all she was left with was a heart skeleton, made up of stronger tissue, similar to see-through paper. On this hallow heart, she injected cells from newly-born baby rats and placed the entire mix in a bioreactor at the University.
http://news.softpedia.com/news/First-Artificial-Organic-Heart-Created-95860.shtml
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