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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Pediatr Res. 2011 Nov;70(5):447–452. doi: 10.1203/PDR.0b013e31822f2448

Figure 1. Representative tracings of MQAE fluorescence in WT and cftr−/− macrophages following transition to Cl−-free solution.

Figure 1

All macrophages demonstrate an increase in MQAE fluorescence (AFU) in Cl−-free solution as Cl− exits the cell. The rate of change in fluorescence (i.e. slope: ΔAFU/Δs) represents Cl− efflux (shown with the gray lines). The data depicts the mean ± SEM values from 20 WT (A) and 31 cftr−/− macrophages (B).