Solving The Structure Of XDNA
14th Nov 2006, 16:46 GMT
James Watson and Francis Crick deciphered the structure of regular DNA 53 years ago. Now, scientists from Stanford University have determined the structure of xDNA. That's "expanded DNA," a strange double helix molecule that is 20 percent wider and more heat-resistant than natural DNA. Inherently fluorescent, expanded DNA glows in ways that may make xDNA useful as a medical and scientific probe.
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