Table 2. The voltage of half-activation (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	2.36±0.29	7.28±0.59	2.19±0.24	7.29±0.11
N	8	2.28±0.81	7.31±0.19	2.18±0.24	7.34±0.27
S1	8	−2.62±0.62 ab	7.35±0.15	−1.88±0.23 ab	7.38±0.22
S2	8	−3.46±1.21 ab	7.39±0.36	−2.51±0.78 ab	7.61±0.19
S3	8	−2.76±0.38 ab	7.49±0.30	−2.33±0.37 ab	7.50±0.33

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