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Startup can detect tiny traces of cancer markers in blood samples
Silkweaver
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5-16-2008 5:33 AM
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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/731bed23-f071-4280-871e-f41f847db69e/87A8BCC0-48E4-401A-9401-63ED6E63006E/" 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://www.kurzweilai.net/news/news.html?id=8683" href="http://www.kurzweilai.net/news/news.html?id=8683" style="font-size: 11px;">www.kurzweilai.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.kurzweilai.net/news/news.html?id=8683"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.kurzweilai.net/img/B86694FF-7D70-4124-B9AC-D07676041552" alt="" /></div></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://www.kurzweilai.net/news/news.html?id=8683"> The <A class="thought" href="javascript:loadBrain('Technology')">technology</A> uses "microwells" etched into an optical fiber and coated with <A class="thought" href="javascript:loadBrain('Protein')">protein</A>-capturing antibodies. Each well is 2.5 micrometers wide and sits at the tip of an <A class="thought" href="javascript:loadBrain('Individual')">individual</A> thread of the fiber. If the antibodies capture a <A class="thought" href="javascript:loadBrain('Protein')">protein</A> from a blood sample, a chemical reaction will be triggered and fluoresce when <A class="thought" href="javascript:loadBrain('Light')">light</A> is sent up the fiber. </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://www.kurzweilai.net/news/news.html?id=8683"> With current clinical technologies, hospital labs can detect only the most abundant <A class="thought" href="javascript:loadBrain('Protein')">protein</A>s--only a quarter of all those known to be present in the blood.</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://www.kurzweilai.net/news/news.html?id=8683">In tests, the optical-fiber <A class="thought" href="javascript:loadBrain('Method')">method</A> was able to detect a <A class="thought" href="javascript:loadBrain('Human')">human</A> <A class="thought" href="javascript:loadBrain('Cancer')">cancer</A> biomarker in cow's blood at concentrations 250 times lower than that possible using clinical techniques.</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://www.kurzweilai.net/news/news.html?id=8683"> It could potentially detect the trace amounts of characteristic <A class="thought" href="javascript:loadBrain('Protein')">protein</A>s that tiny tumors release into the blood. Trace <A class="thought" href="javascript:loadBrain('Protein')">protein</A>s could also reveal early signs of heart <A class="thought" href="javascript:loadBrain('Disease')">disease</A>, Alzheimer's, and other ailments, and enable noninvasive fetal diagnostics.</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/87A8BCC0-48E4-401A-9401-63ED6E63006E/blog/" title="blog or email this clip"><img src="http://content6.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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