Review Article

Synthesis and Toxicity of Graphene Oxide Nanoparticles: A Literature Review of In Vitro and In Vivo Studies

Figure 6

Pulsed carbon-13 (1H-decoupled) NMR spectra of GO with particle sizes between 0.45 μm and 0.22 μm (a), from GO to unfractionated particles (b) and 1H →13C cross-polarized NMR spectrum, and from GO to unfractionated particles (c).