394578.fig.002a
(a)
394578.fig.002b
(b)
Figure 2: Calu-3 air-liquid interface cell culture in an environmental chamber. Calu-3 cell monolayers were grown at an air-liquid interface to full confluence before exposure to oxygen, positive pressure, and biological agents. Modular incubator chamber shown on the right; transwell inserts shown on the left.