“Chocolate” gold nanoparticles: one pot synthesis and biocompatibility

Neelika Roy Chowdhury, Allison J. Cowin, Peter Zilm, Krasimir Vasilev

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


The chemical synthesis of nanoparticles can involve and generate toxic materials. Here, we present for the first time, a one pot direct route to synthesize gold nanoparticles (AuNPs) using natural cacao extract as both a reducing and stabilizing agent. The nanoparticles were characterized by UV-visible spectroscopy (UV-VIS), dynamic light scattering (DLS), and transmission electron microscopy (TEM); and have excellent biocompatibility with human primary dermal fibroblasts.

Original languageEnglish
Article number496
Number of pages10
Issue number7
Publication statusPublished - Jul 2018
Externally publishedYes


  • Cacao
  • Green synthesis
  • Non-cytotoxic


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