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Bacteria make nanomagnets...
HansWobbe
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3
8-12-2009 1:18 PM
79 views
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HansWobbe
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These nanotechnology applications really are revolutionary!
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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://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/34428e30-6643-48b9-88a0-2d0e8036c90b/6FD97D38-C639-466A-BDF9-6B70A7B9316A/" 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.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html" href="http://www.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html"><H1> Bacteria make nanomagnets for navigating the oceans </H1></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.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html"><P class="infuse">The genetic code for nano-sized biological magnets called "magnetosomes" has been cracked.</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://www.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html"><P class="infuse">Magnetosomes are created by oxygen-hating bacteria to allow them to steer by the Earth's magnetic field, often to deep regions of the ocean where there is less oxygen.</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://www.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html"><P class="infuse">Now that the genes have been identified, they can be transferred to other organisms or altered to produce customised magnetic particles for practical applications.</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://www.newscientist.com/article/dn17585-bacteria-make-nanomagnets-for-navigating-the-oceans.html"><P class="infuse">Already, for example, the particles have been extracted from bacteria and injected into mice to improve imaging of cancers by MRI scanners. They've also been used as nanomagnets in tests to detect biological molecules such as the sugar-regulating hormone insulin.</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/6FD97D38-C639-466A-BDF9-6B70A7B9316A/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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