Nanoparticles with alternating striations of hydrophobic and hydrophilic ligands cross the cell membrane by a direct mechanism — a route that delivers them to the main compartment of the cell while leaving the membrane undisrupted.
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Xia, T., Rome, L. & Nel, A. Particles slip cell security. Nature Mater 7, 519–520 (2008). https://doi.org/10.1038/nmat2213
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DOI: https://doi.org/10.1038/nmat2213
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