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Keywords:

  • Carbon nanoparticles;
  • Cells;
  • Fullerenes;
  • Nanoparticles, inorganic
Thumbnail image of graphical abstract

A top-down approach to C60 nanoparticle formation by simple hand-grinding of fullerene solids in an agate mortar is described (see figure). The resulting nanoparticles are found to disperse in water with or without the aid of a dispersing agent. In contrast to previous reports, no cytotoxicity was observed for the hand-ground C60 nanoparticles.