A nanowire attached to an optical fibre can deliver payloads or light into specific compartments within a living cell, and also detect optical signals from subcellular regions with high spatial resolution.
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Lee, YE., Kopelman, R. Checking out the insides of cells. Nature Nanotech 7, 148–149 (2012). https://doi.org/10.1038/nnano.2012.25
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DOI: https://doi.org/10.1038/nnano.2012.25
