Table 1.

Zeta potential and hydrodynamic diameter of GO samples

GO samples	Hydrodynamic size (nm)	Zeta potential (mV)
In distilled water	409.18 ± 10.80	− 29.66 ± 0.79
In culture medium	747.02 ± 18.5	− 11.90 ± 1.06

Data are the mean ± SD of three independent experiments