JCS -- Barg et al. 114 (11): 2145 Figure IG4

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Fig. 4. Exocytosis requires granular acidic pH. (A) Capacitance increases ( ${Delta}$ C) elicited by infusion of the Ca²⁺- and ATP-containing control electrode solution (ctrl, n=21), after addition of sucrose (sucr, n=6) and in the presence of CCCP (n=6) or nigericin (nig, n=5). (B) Average rates of capacitance increase ( ${Delta}$ C/ ${Delta}$ t) ± s.e.m. (C) ${Delta}$ C elicited by the control solution (ctrl, n=9), in the presence of the Na⁺/H⁺-exchanger inhibitor EIPA (n=10) and the v-H⁺-ATPase inhibitor bafilomycin (bafi, n=11). (D) Mean ${Delta}$ C/ ${Delta}$ t ± s.e.m. ***P<0.001 **P<0.01.