The 'DNA robots' that hunt cancer cells (The Week)

[unable to retrieve full-text content]The Week - How do these robots kill cancer?The tiny devices were constructed out of DNA strands and folded into a shape resembling a clamshell. Researchers call it the "DNA origami" method. The devices are pre-programmed to open up in the presence of cancerous cells. Once open, the robot releases a series of antibodies that cause its target to self-destruct. "The idea is based on the behavior of the body's immune cells," says Elizabeth Lopatto at Bloomberg Businessweek, "which recognize viruses or other invaders and attack them." (Watch a demonstration below.)

Source: http://us.rd.yahoo.com/dailynews/rss/oped/*http%3A//news.yahoo.com/s/theweek/20120221/cm_theweek/224624

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