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Nature 457, 71-75 (1 January 2009) | doi:10.1038/nature07593;

Open Innovation Challenges

Optical manipulation of nanoparticles and biomolecules in sub-wavelength slot waveguides

The ability to manipulate nanoscopic matter precisely is critical for the development of active nanosystems. Optical tweezers are excellent tools for transporting particles ranging in size from several micrometres to a few hundred nanometres.

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