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Gold Nanorods: Controlling Their Surface Chemistry and Complete Detoxification by a Two-Step Place Exchange


  • This work was supported by the Swiss National Science Foundation (grant number PP00P2_123373), the Adolphe Merkle Foundation, the Chemistry Department of the University of Fribourg and FriMat.


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Surface functionalization: Complete detoxification of gold nanorods was achieved by manipulating the position in the stability map between surface-adsorbing polyethylene glycol (PEG) and destabilizing ethanol (see picture). This robust procedure complements studies related to the effects of shape when contemplating the nanoparticle–cell interaction.