Fig. 4From: Effective combination of biocompatible zinc oxide nanocrystals and high-energy shock waves for the treatment of colorectal cancerZnO NCs and Fe:ZnO NCs internalization in HT-29 (Al) and Colo 320DM (B) at two different concentrations (5 and 10 µg/ml) and different time points (5 h, 24 h, 48 h). Data are expressed as percentage of positive events mean ± SEM. n ≥ 3Back to article page