Graphene Oxide Nanosheets Reshape Synaptic Function in Cultured Brain Networks

Rossana Rauti, Neus Lozano, Veronica León, Denis Scaini, Mattia Musto, Ilaria Rago, Francesco P. Ulloa Severino, Alessandra Fabbro, Loredana Casalis, Ester Vázquez, Kostas Kostarelos, Maurizio Prato*, Laura Ballerini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Graphene offers promising advantages for biomedical applications. However, adoption of graphene technology in biomedicine also poses important challenges in terms of understanding cell responses, cellular uptake, or the intracellular fate of soluble graphene derivatives. In the biological microenvironment, graphene nanosheets might interact with exposed cellular and subcellular structures, resulting in unexpected regulation of sophisticated biological signaling. More broadly, biomedical devices based on the design of these 2D planar nanostructures for interventions in the central nervous system require an accurate understanding of their interactions with the neuronal milieu. Here, we describe the ability of graphene oxide nanosheets to down-regulate neuronal signaling without affecting cell viability.

Original languageEnglish
Pages (from-to)4459-4471
Number of pages13
JournalACS Nano
Issue number4
StatePublished - 26 Apr 2016
Externally publishedYes


  • FMI-43
  • exocytosis
  • graphene
  • microvesicles
  • nanotechnology
  • patch-clamp
  • synaptic terminals


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