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Nature Nanotechnology 3, 461–462 (1 August 2008) | doi:10.1038/nnano.2008.222

Probe microscopy: Scanning below the cell surface

Ozgur Sahin

More and more nanoparticles are used in advanced materials, medical imaging and drug delivery, and their industrial scale production is just around the corner. The flip side of this is the risk associated with human exposure to nanoparticles, whether through unintentional inhalation or deliberate injection and ingestion.