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Structure of Au nanoparticles (NPs) coated with chromanol derivative residues stabilized with tetraoctylammonium bromide, TOAB (structure 1A with TOAB = (C8H17)4N+Br−) and without additional stabilizer (structure 1B). The x, x’, and y’ are the symbolic numbers of addends. The presented structures are general and do not correspond to the arrangement of the residues around the nanoparticle.
