Table 3. The voltage of half-inactivation (V_0.5)and slope factor(k) at HP of −90mv and −50mV.

Group	Cell number	HP = −90mV		HP = −50mV
		V0.5	K	V0.5	K
C	8	−19.92±0.38	12.39±0.25	−19.88±0.33	12.71±0.24
N	8	−20.39±0.80	12.65±0.11	−20.32±0.47	12.54±0.22
S1	8	−19.29±0.80	12.72±0.21	−19.28±0.84	12.60±0.27
S2	8	−19.02±1.07	12.68±0.37	−18.96±0.71	12.54±0.36
S3	8	−17.46±1.00 ab	12.64±0.29	−17.26±0.85 ab	12.64±0.64

^aP<0.05 Vs C group, ^bP<0.05 vs N group.