Fig. 4From: Cytotoxicity analysis of biomass combustion particles in human pulmonary alveolar epithelial cells on an air–liquid interface/dynamic culture platformA Comparison of HPAEpiC viability under submerged conditions and air–liquid interface (ALI) and dynamic culture (DC) conditions with different medium flow rates; B HPAEpiC cell viabilities and C apoptosis rates after 24 h exposures to 0, 25, 50, 100, and 200 μg/ml biomass combustion soluble constituents (BCSCs). (*P < 0.05, **P < 0.01)Back to article page