Intensity of •OH formation by a) MWCNT
and b) MWCNT
in medium + 0.6 mg/ml BSA in cell free and cellular settings. Columns represent the peak surface, i.e. area under curve (AUC), obtained by double integration of the DMPO peaks induced by the materials (AUCmaterial) after subtracting that of the control (AUCcontrol; ±SD).