Fig. 1From: Carbon nanoparticles induce DNA repair and PARP inhibitor resistance associated with nanozyme activity in cancer cellsCharacterization of carbon nanoparticles (CNPs) derived from beet. TEM (a), AFM (b) images and XPS spectra of CNPs from beet: survey scan (c); high-resolution scans for C1s (d), N1s (e) and O1s (f)Back to article page