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Keywords:

  • gold nanoparticles;
  • superparamagnetics;
  • computed tomography;
  • magnetic resonance imaging;
  • nanocomposites
Thumbnail image of graphical abstract

Monodisperse and uniform AuNP-decorated, dye-doped, superparamagnetic nanocomposites (Fe3O4@dye-hybrid@Au) are fabricated by using a simple method in which the Au NP formation and their attachment onto the core surface via S–Au covalent bonds proceeds almost simultaneously in a one-pot synthesis. The as-synthesized nanocomposites can simultaneously enhance the contrast effects for MR, CT, and cellular-sensitive optical imaging.