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Research Highlights
Nature Nanotechnology (10 July 2009) | doi:10.1038/nnano.2009.219
Plasmons: Push on
Abstract
Gold nanoparticles are useful in biophysics and biotechnology, and can be held in place by optical tweezers. Standard optical tweezers, however, have focal spots at least half a wavelength in size, which places an upper bound on the force and a lower bound on the size of the trapping region they are able to produce.
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