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Nanowires Built From DNA
tabsey
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2
2-6-2008 3:22 AM
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tags:
science
tabsey
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Just like making a milk drink.
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/fd1a3460-cd3e-429d-97f9-66e1978a35de/6F8BA74D-BEEF-40B7-BBC0-A68317107BC7/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html" href="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html" style="font-size: 11px;">dsc.discovery.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html"><P><STRONG>Feb. 5, 2008</STRONG> -- By stirring DNA into a chemical solution and exposing it to ultraviolet light, scientists have come up with a simple, cheap method to create nanowires that could be used to create tiny computers and medical devices.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html"><P>"The process is very simple stuff," said <A target="_blank" href="http://www1.mengr.tamu.edu/IG/index.html">Hong Liang</A> of Texas A & M University, one of the authors of the paper, which appears in the current issue of <EM>Advanced Materials</EM>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html"><P>"Basically you put the solution and DNA into a beaker, stir it around, and expose it to light."</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html"><P><A target="_blank" href="http://dsc.discovery.com/news/2008/01/24/artificial-life-dna.html">DNA, or deoxyribonucleic acid</A>, contains the blueprints for all life. The Texas researchers used it as a scaffold, a structure that other molecules can bind to. Since DNA naturally forms long chains, the researchers started by creating wires, but making other shapes and structures from the solution are possible.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/nanowire-dna.html"><P>The researchers mixed the DNA with a solution containing cadmium, a metal, and stirred it around before exposing it to UV light.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/6F8BA74D-BEEF-40B7-BBC0-A68317107BC7/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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