Table 1.

Rate constant (min⁻¹) for SO₄⁼ uptake.

Condition	Rate Constant (min−1)	Time (min)	n
Human erythrocytes (ctr) [8,34,37,40,41]	0.066 ± 0.001	18	18
Medium pH 6.5 [34]	0.035 ± 0.001	29	6
300 μM H2O2 [37]	0.032 ± 0.001	31	6
600 μM H2O2 [37]	0.030 ± 0.001	33	3
1 mM Diamide [28]	0.029 ± 0.002	32	5
0.1 mM Orthovanadate [28]	0.031 ± 0.001	34	5
0.5 mM NEM [41]	0.030 ± 0.001	33	5
1 mM NEM [41]	0.033 ± 0.003	30	5
2 mM NEM [41]	0.023 ± 0.002	43	7
10 μM Curcumin in Medium pH 6.5 [34]	0.048 ± 0.001	20	6
10 mM Mg2+ 300 μM H2O2 [41]	0.058 ± 0.005	17	5
10 mM Mg2+ 600 μM H2O2 [41]	0.057 ± 0.001	17	5
10 mM Mg2+ 0.5 mM NEM [41]	0.060 ± 0.002	16	6
10 mM Mg2+ 1 mM NEM [41]	0.056 ± 0.002	18	6
10 mM Mg2+ 2 mM NEM [41]	0.055 ± 0.002	18	6
100 μM Melatonin + 300 μM H2O2 [40]	0.078 ± 0.001	13.5	10
10 μM H2O2 (Preconditioning) + 300 μM H2O2 [37]	0.051 ± 0.001	19	4