Wednesday, September 28, 2011
Improved Optical Tweezers Eliminate A Barrier To Handling Nanoscale Particles
Engineers at Harvard have created a device that may make it easier to isolate and study tiny particles such as viruses. Their plasmonic nanotweezers, revealed this month in Nature Communications, use light from a laser to trap nanoscale particles. The new device creates strong forces more efficiently than traditional optical tweezers and eliminates a problem that caused earlier setups to overheat...
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