JEB -- Gerencser et al. 207 (4): 571 Figure IG6

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Fig. 6. Influence of internal pH on the uptake of 0.1 mmol l^–1 [¹⁴C]oxalate into hepatopancreatic BBMV. Vesicles contained 100 mmol l^–1 TMA-Cl, 50 mmol l^–1 K-gluconate, 50 µmol l^–1 valinomycin and pH adjusted to 7.0 ( ${square}$ ) or 8.0 ( ${blacksquare}$ ) with 40 mmol l^–1 Hepes-Tris, or pH 5.0 ( ${circ}$ ) or 6.0 (•) with 40 mmol l^–1 Mes-Tris. Incubation media contained 100 mmol l^–1 TMA-gluconate, 50 mmol l^–1 K-gluconate and 40 mmol l^–1 Hepes-Tris at pH 7.0.