
Keywords: نانو Fe3O4; As; arsenic; CAT; catalase; CK; control experiment; GSH; glutathione; HA20; 20-nm hydroxyapatite; HA40; 40-nm hydroxyapatite; HGO; high-quality graphene oxide; MDA; malondialdehyde; MGO; multilayer graphene oxide; nFe; nano-zerovalent iron; nFe3O4; nano-F