Fig. 8. Effect of various bilateral pH conditions on the uptake of 0.1 mmol
l1 [14C]oxalate into hepatopancreatic BBMV.
Vesicles contained 100 mmol l1 TMA-Cl, 50 mmol
l1 K-gluconate, 50 µmol l1 valinomycin
and adjusted to pH 7.0 () or 8.0 (
) with 40 mmol
l1 Hepes-Tris, or to pH 5.0 (
) or 6.0 (
) with 40
mmol l1 Mes-Tris. Incubation media contained 100 mmol
l1 TMA-gluconate and 50 mmol l1
K-gluconate with pH adjusted as above.