Nanoparticles have many potential medical applications but their behaviour in the body is poorly understood. New studies in mice show that particles that don't have targeting molecules attached can selectively enter certain organs solely on the basis of their charge and size.
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Minchin, R. Sizing up targets with nanoparticles. Nature Nanotech 3, 12–13 (2008). https://doi.org/10.1038/nnano.2007.433
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DOI: https://doi.org/10.1038/nnano.2007.433
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