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New technology allows scientists to watch cancer cells in action at unprecedented resolution
Date:2/1/2012

>Kelly had previously worked with colleagues at Harvard Medical School to develop a way to capture protein machinery in a frozen environment. "But life moves," said Kelly. "It's better if biological processes don't have to be paused or frozen in order to be studied, but can be viewed in dynamic and life-sustaining liquid environments."

Kelly's affinity capture device, in combination with high-resolution TEM, helps bridge the gap between cellular and molecular imaging, allowing researchers to achieve spatial resolution as high as two nanometers. "This device allows us to see new features on the surface of live cancer cells, providing new targets for drug therapy," Kelly said. "With this resolution, scientists may even be able to visualize disease processes as they unfold."

The research appears in the February issue of RSC Advances, an international journal of the Royal Society of Chemistry of London, in the article "The development of affinity capture devices -- a nanoscale purification platform for biological in situ transmission electron microscopy," by Katherine Degen, a biomedical engineering student at the University of Virginia; Madeline Dukes, an applications scientist at Protochips; Justin Tanner, a postdoctoral associate at the Virginia Tech Carilion Research Institute; and Kelly, the corresponding author. The link to the article is http://pubs.rsc.org/en/content/articlelanding/2012/ra/c2ra01163h


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Contact: Paula Byron
paulabyron@vt.edu
540-526-2027
Virginia Tech
Source:Eurekalert  

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