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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Eur Respir J. 2014 Apr 17;44(3):675–684. doi: 10.1183/09031936.00220513

FIGURE 5.

FIGURE 5

Comparison of airway surface liquid (ASL) volume and diethylene triamine penta-acetic acid (DTPA) absorption after addition of isotonic saline versus iso-osmolar solution of mannitol in water. a) ASL volume following apical volume expansion with either 10 μL isotonic saline (control) or 300 mM mannitol in water on differentiated cystic fibrosis human bronchial epithelial cell cultures. b) The per cent ASL absorption rate from 2 to 12 h after apical addition of isotonic saline or mannitol in water. c) The per cent 99mTc-DTPA absorption rate over the same 10-h period after apical addition of isotonic saline or mannitol in water. Data are presented as mean ± SEM of 18 cultures from three different tissue donors. *: p<0.05 versus control; **: p<0.01 versus control.