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Fig. 8. TMRM fluorescence in G. dibranchiata coelomocytes exposed for 1 h
to various sulfide concentrations (up to 0.73 mmol l-1) either
alone (circles) or with CCCP (0.10 mmol l-1; squares) or PTP
inhibitors (0.5 µmmol l-1 CsA and 5 µmol l-1 TFP;
triangles). Fluorescence emission (595 nm) is normalized to control conditions
(1 h exposure to buffer alone). Values are means ±
S.D. (N=5). Asterisks represent a significant
effect of sulfide, CCCP or CsA/TFP compared to the control value by
two-factor, RM ANOVA (*P<0.05,
**P<0.01, ***P<0.005). Refer to
text for further results of statistical analyses.