"Gecko foot' band-aids promise better healing


	"Gecko foot' band-aids promise better healing

tabsey

2-20-2008 7:11 AM

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tags:

medical

tabsey says:

Please note that they are not removing feet from geckos.

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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/4aa3c429-ed42-4fb7-86ce-fbd5ac5974ff/386EE62C-5371-43FE-BDBA-E8FDE63FCFF2/" 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://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20" href="http://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20" style="font-size: 11px;">technology.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/technology.newscientist.com/img/09618AEC-A7CC-4710-A60C-4927C82DBC39" alt="Each artificial seta is less than a micron wide (Image: Jeffrey Karp/PNAS)" /></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://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20"><P>Sticky bandages inspired by geckos' feet could soon be used to seal wounds and close surgeon's cuts. Since the bandages would dissolve harmlessly within the body, they could also replace stitches and sutures.</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://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20"><P>Geckos can walk on walls thanks to nanoscopic bristles, called setae, on the bottom of each foot. Setae produce an intermolecular attraction allowing the gecko's foot to stick to almost any surface.</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://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20"><P>So when <A target="ns" href="http://hst.mit.edu/biosketch/Karp.html">Jeffrey Karp</A> of Brigham and Women's Hospital in Boston, Massachusetts, and colleagues set out to create a better medical tape for closing wounds and cuts, they decided to use structures similar to those on geckos' feet.</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://technology.newscientist.com/channel/tech/dn13347-gecko-foot-bandaids-promise-better-healing.html?feedId=online-news_rss20"><P>"A lot of people were working on gecko-inspired adhesives," Karp says, but their materials tend to lose stickiness when wet and do not biodegrade, making them unsuitable. Neither have these adhesives been tested on animals' tissues, Karp adds.</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;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/386EE62C-5371-43FE-BDBA-E8FDE63FCFF2/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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