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Weighing any and all types of atoms individually has been a long-standing goal in science, and now efforts done by experts from the University of Melbourne, in Australia, have brought these attempts one nano-step closer to success. In their studies of gold nanoparticles of highly uniform shapes and sizes, the investigators have looked at how the atoms lose their energy, and have determined to some extent how this happens. The find could lead to the development of nanodetectors that could measure the mass of single atoms in the future.Additionally, the discovery could have significant implications for the field of medicine and biology. Infectious agents such as viruses and bacteria could ultimately be weighed as well, which would be of a great help to doctors seeking to devise the best course of treatment in forms of personalized medicine.“Previous measurements of nanomechanical damping have primarily focused on devices where only one- or two-dimensions are nanoscale, such!
as long nanowires. Our measurements and calculations provide insight into how energy is dissipated in devices that are truly nanoscale in all three-dimensions,†UM Department of Mathematics and Statistics Professor John Sader, the leader of the new research effort, explains. Details of the work ap...
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http://news.softpedia.com/news/Method-to-Weigh-Single-Atoms-One-Step-Closer-117645.shtml
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