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. Author manuscript; available in PMC: 2017 Sep 1.

Published in final edited form as: Ann Biomed Eng. 2016 Feb 8;44(9):2695–2706. doi: 10.1007/s10439-016-1559-9

(a) Equivalent circuit diagram for the paired electrode sensor. a: constant between 0 and 1, corresponding to non-ideal interface effects between electrodes and tissues. CE: counter electrode. WE: working electrode. CPE: constant phase element. Y: nominal capacitance value. R_T: resistive element. C_T: capacitive element. (b) The Bode plot for the equivalent circuit model with component values: Y=100nS. R_T=1kΩ. C_T=10pF. a=0.8.

(a) Equivalent circuit diagram for the paired electrode sensor. a: constant between 0 and 1, corresponding to non-ideal interface effects between electrodes and tissues. CE: counter electrode. WE: working electrode. CPE: constant phase element. Y: nominal capacitance value. R_T: resistive element. C_T: capacitive element. (b) The Bode plot for the equivalent circuit model with component values: Y=100nS. R_T=1kΩ. C_T=10pF. a=0.8.