Fig. 1From: The antimicrobial efficacy of graphene oxide, double antibiotic paste, and their combination against Enterococcus faecalis in the root canal treatmentSchematic representation of the synthesis of graphene oxide using modified Hummer’s method. H3PO4, Phosphoric acid; H2SO4, Sulfuric acid; KMnO4, Potassium permanganate; H2O2, Hydrogen peroxideBack to article page