Figure 6
From: Laser- synthesized TiN nanoparticles as promising plasmonic alternative for biomedical applications

(a) Bright–field photomicrographs of growing spheroids of U87– MG cells exposed to different concentrations of TiN NPs, (b) dose- and time-dependence of spheroids area, (c) viability of spheroids at day 13 of their exposure to different concentrations of TiN NPs.