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. 2005 Sep 26;391(Pt 1):33–40. doi: 10.1042/BJ20050657

Figure 3. Ammonium efflux from HEK-293 cells.

Figure 3

Time course of fluorescence changes in WT and RhBG- or RhCG-expressing HEK-293 cells submitted to an outwardly directed 49 mmol NH4+ gradient are shown. Kinetics of pHi changes were analysed as described in Figure 2. The calculated acidification kinetic rate constants are shown. Smooth lines are exponential fits to the data.