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. 2008 Jul 18;95(8):4068–4076. doi: 10.1529/biophysj.108.135079

TABLE 3.

Influence of lifetime parameters of DASPMI in living XTH2 cells under conditions manipulating membrane potential

Condition a1 τ1 (ns) a2 τ2 (ns) a3 τ3 (ns) τ〉 (ns) f1 (%) f2 (%) f3 (%)
Control 0.74 ± 0.05 0.159 ± 0.051 0.23 ± 0.04 0.701 ± 0.115 0.03 ± 0.01 2.540 ± 0.227 0.357 ± 0.078 33 ± 6 45 ± 4 22 ± 5
Nigericin 0.91 ± 0.06 0.038 ± 0.028 0.07 ± 0.05 0.699 ± 0.063 0.01 ± 0.01 2.868 ± 0.259 0.118 ± 0.064 27 ± 9 41 ± 3 32 ± 8
ATP 0.86 ± 0.06 0.093 ± 0.058 0.13 ± 0.05 0.762 ± 0.104 0.02 ± 0.01 3.160 ± 0.134 0.229 ± 0.113 31 ± 7 45 ± 4 24 ± 4
Glutamate and malate 0.90 ± 0.06 0.080 ± 0.070 0.09 ± 0.05 0.812 ± 0.141 0.01 ± 0.01 3.343 ± 0.430 0.185 ± 0.132 32 ± 9 43 ± 1 25 ± 8
KCN 0.73 ± 0.05 0.210 ± 0.027 0.21 ± 0.04 0.767 ± 0.110 0.05 ± 0.01 2.465 ± 0.308 0.445 ± 0.030 35 ± 5 36 ± 6 29 ± 4
CCCP 0.73 ± 0.03 0.171 ± 0.038 0.20 ± 0.03 0.849 ± 0.205 0.08 ± 0.03 2.969 ± 0.213 0.512 ± 0.110 24 ± 3 33 ± 6 43 ± 7

Analysis was performed on several mitochondrial ROIs from 20 control cells and four cells under the influence of a drug. The high SDs result from biological variations occurring from measurements on a single-cell or single-mitochondrion level.