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Fig. 6. The sickle cell fraction (A) and ouabain-insensitive Na uptake (B) in cells
exposed to a saline pH of 7.97 (
); saline pH of 7.03 (); saline pH
of 7.03 with 10–5 mol l–1 isoproterenol
alone (
) or together with 10–4 mol l–1
amiloride (
). * indicates significant difference
(P<0.05) from first sampling time within same treatment,
indicates cells at pH 7.03 only that are significantly
different (P<0.05) from samples at saline pH 7.03 with
isoproterenol. Values are means ± s.d. N=8 (A) and 5 (B).
Error bars are in some cases smaller than the symbol.