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> <channel><title>All the Best Bits &#187; Biology</title> <atom:link href="http://allthebestbits.net/tag/biology/feed/" rel="self" type="application/rss+xml" /><link>http://allthebestbits.net</link> <description></description> <lastBuildDate>Mon, 21 Nov 2011 03:06:18 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.2.1</generator> <item><title>Structured-Illumination Microscopy</title><link>http://allthebestbits.net/structured-illumination-microscopy/</link> <comments>http://allthebestbits.net/structured-illumination-microscopy/#comments</comments> <pubDate>Wed, 17 Sep 2008 08:19:06 +0000</pubDate> <dc:creator>Phillip Alvelda</dc:creator> <category><![CDATA[Science]]></category> <category><![CDATA[Biology]]></category> <category><![CDATA[Technology]]></category> <guid
isPermaLink="false">http://50.18.189.95/?p=369</guid> <description><![CDATA[A stunning new technology out of UCSF and recently published in Science is producing some of the most amazing 3-D images of living cells. &#8220;We threw the conventional microscope out the window and began again,&#8221; says John Sedat, a professor of biochemistry and biophysics at the University of California, San Francisco. Instead of focusing a [...]]]></description> <content:encoded><![CDATA[<p>A stunning new technology out of UCSF and recently published in Science is producing some of the most amazing 3-D images of living cells.</p><blockquote><p>&#8220;We threw the conventional microscope out the window and began again,&#8221; says <a
onclick="javascript:pageTracker._trackPageview ('/outbound/msg.ucsf.edu');" href="http://msg.ucsf.edu/sedat/" target="_blank">John Sedat</a>, a professor of biochemistry and biophysics at the University of California, San Francisco.</p><p><span
id="more-369"></span>Instead of focusing a small spot of light onto cells, the new microscope, which has a resolution of about 100 nanometers, illuminates cells with stripes of light called an interference pattern. When a fine cellular structure, such as a single cluster of proteins embedded in a cell nucleus, reflects this light, it changes the pattern slightly. The microscope collects this light; software is used to interpret changes in its pattern and create an image.&#8221;</p></blockquote><p>Check out some of the amazing images:</p><p
style="text-align: center;"><img
class="aligncenter" src="http://www.technologyreview.com/player/08/06/06Bourzac/images/5.jpg" alt="Description text" width="450" height="447" /></p><blockquote><p>Two adjoining cells prepare for division by condensing their DNA into chromosomes (red). The membranes around the cell nuclei are stained blue. The green filaments are protein structures called microtubules, which divide the cell&#8217;s genome into two equal parts and pull each part into the resulting daughter cells.</p></blockquote><p
style="text-align: center;"><img
class="aligncenter" src="http://www.technologyreview.com/player/08/06/06Bourzac/images/1.jpg" alt="" width="405" height="492" /></p><div
id="text"><blockquote><p>The new 3-D microscope developed by University of California biophysicists has shown researchers that the nucleus, which contains the lion&#8217;s share of the genome, &#8220;is much more highly organized than everybody thought,&#8221; says John Sedat, a professor of biochemistry and biophysics at the University of California , San Francisco . &#8220;This is an example of what this technology can deliver on.&#8221;</p><p>In this image of a nucleus from a mouse-muscle stem cell, three elements are visible. The membrane surrounding the nucleus is stained blue. The nuclear pores, proteins through which RNA, water, and other molecules pass, are stained green. Inside the nucleus, DNA, which has doubled and condensed in preparation for cell division, is stained red.</p></blockquote></div><p
style="text-align: center;"><img
class="aligncenter" src="http://www.technologyreview.com/player/08/06/06Bourzac/images/2.jpg" alt="Description text" width="450" height="407" /></p><blockquote><p
style="text-align: center;">Shown here is another mouse nucleus, with the cell&#8217;s DNA stained red. The DNA is condensing into chromosomes. The envelope surrounding the nucleus, stained green, is beginning to puncture and distort in preparation for cell division.</p></blockquote><p
style="text-align: center;"> </p><p>Read the entire article over at <a
onclick="javascript:pageTracker._trackPageview ('/outbound/www.technologyreview.com');" href="http://www.technologyreview.com/Biotech/20868/">Tech Review</a>.</p> ]]></content:encoded> <wfw:commentRss>http://allthebestbits.net/structured-illumination-microscopy/feed/</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Glass Frog</title><link>http://allthebestbits.net/glass-frog/</link> <comments>http://allthebestbits.net/glass-frog/#comments</comments> <pubDate>Sun, 06 Apr 2008 04:50:00 +0000</pubDate> <dc:creator>Phillip Alvelda</dc:creator> <category><![CDATA[Science]]></category> <category><![CDATA[Biology]]></category> <guid
isPermaLink="false">http://50.18.189.95/?p=306</guid> <description><![CDATA[]]></description> <content:encoded><![CDATA[<div
style="text-align: center;"><img
style="width: 373px; height: 297px;" src="http://farm4.static.flickr.com/3011/2388576212_e39bc87f09.jpg" alt="" /></div> ]]></content:encoded> <wfw:commentRss>http://allthebestbits.net/glass-frog/feed/</wfw:commentRss> <slash:comments>3</slash:comments> </item> <item><title>Aqua Forest Aquariums in SF</title><link>http://allthebestbits.net/aqua-forest-aquariums-in-sf/</link> <comments>http://allthebestbits.net/aqua-forest-aquariums-in-sf/#comments</comments> <pubDate>Sun, 17 Feb 2008 23:54:00 +0000</pubDate> <dc:creator>Phillip Alvelda</dc:creator> <category><![CDATA[Education]]></category> <category><![CDATA[Science]]></category> <category><![CDATA[Biology]]></category> <guid
isPermaLink="false">http://50.18.189.95/?p=291</guid> <description><![CDATA[If you happen to live in the area, and have the slightest interest in fresh-water aquaria, don&#8217;t miss this amazing store in San Francisco. Read my whole review of the field and the store complete with more images at the WISE student blog where we&#8217;re helping schools learn how to set up these incredible balanced [...]]]></description> <content:encoded><![CDATA[<p>If you happen to live in the area, and have the slightest interest in fresh-water aquaria, don&#8217;t miss this amazing store in San Francisco.</p><p><div
style="text-align: center;"><img
style="width: 418px; height: 209px;" alt="http://www.adana-usa.com/images/gallery03/18.jpg" src="http://www.adana-usa.com/images/gallery03/18.jpg" /></p><p></div><div
style="text-align: center;"><img
style="width: 406px; height: 203px;" alt="http://www.adana-usa.com/images/gallery03/11.jpg" src="http://www.adana-usa.com/images/gallery03/11.jpg" /></div><p>Read my whole review of the field and the store complete with more images at the <a
href="http://sciencewise.blogspot.com/2008/02/aquatic-bio-systems-and-resources.html">WISE student blog</a> where we&#8217;re helping schools learn how to set up these incredible balanced micro-ecosystems.</p> ]]></content:encoded> <wfw:commentRss>http://allthebestbits.net/aqua-forest-aquariums-in-sf/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>
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