 ISFET ([Fig. 0](#fig0000){ref-type="fig"} and [Table 0](#tbl0000){ref-type="table"}). The ΔV~G~ ranged from +0.000 ± 0.000 to +00.000 ± 0.000 mV ([Table 0](#tbl0000){ref-type="table"}). There was no significant differen