Figure 5From: Tolerability of inhaled N-chlorotaurine in the pig model Mitochondrial metabolism of A549 lung epithelial cells after 30 min incubation in NCT or NCTplus NH 4 Cl (N+N) at different concentrations in PBS in vitro, evaluated by the MTS test. Mean values ± SEM of five independent experiments. ** p < 0.01 for this and lower values compared to the control (PBS without additives). Abs absorption at 490 nm.Back to article page