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Table 1 Analytical values through an equivalent electrical circuit model of adherent cell-electrolyte-electrode system (fitting data derived from best of five developed microelectrode system)

From: A portable standalone wireless electric cell-substrate impedance sensing (ECIS) system for assessing dynamic behavior of mammalian cells

FM model

αet

CPEet(F)

αcell

CPEcell(F)

Ri(kΩ)

Re(kΩ)

R2

 6 h

8.78E-03±7.84E-06

1.13E-02±7.32E-05

0.83±0.05

9.46E-06±4.21E-06

1.21E-02±1.27E-04

15.71±3.44

0.98±1.17E-03

 18 h

8.76E-03±4.45E-05

1.11E-02±4.58E-04

0.90±0.08

5.52E-06±4.18E-06

1.18E-02±5.73E-04

19.38±1.13

0.99±4.02E-03

 36 h

8.78E-03±3.07E-06

1.13E-02±3.73E-05

0.92±0.03

3.88E-06±1.47E-06

1.21E-02±4.47E-05

24.53±2.93

0.99±2.45E-04

 48 h

8.73E-03±5.89E-06

1.07E-02±9.87E-05

0.98±0.08

2.03E-06±1.59E-06

1.14E-02±8.74E-05

37.22±5.95

0.99±5.18E-03

 72 h

8.67E-03±6.31E-05

9.82E-03±7.20E-04

0.99±0.06

1.31E-06±9.02E-07

1.05E-02±7.74E-04

45.79±10.29

0.99±2.27E-03

CC model

Rinfor Rsol(kΩ)

αet

CPEet(F)

R0(kΩ)

αcell

CPEcell(F)

R2

 6 h

5.81E-11±3.09E-11

0.33±0.08

3.79E-02±3.22E-02

13.52±2.79

0.88±0.06

6.64E-06±3.37E-06

0.98±2.22E-03

 18 h

3.61E-11±0.01E-12

0.48±0.01

1.07E-02±5.14E-04

18.48±0.02

0.84±0.01

8.58E-06±1.41E-06

0.99±3.07E-03

 36 h

3.95E-11±4.75E-12

0.60±0.12

5.65E-03±1.95E-03

22.60±1.01

0.95±0.02

3.04E-06±1.07E-06

0.99±1.62E-04

 48 h

3.61E-11±0.01E-12

0.68±0.03

1.44E-03±1.07E-03

33.79±2.11

0.97±0.06

1.74E-06±1.16E-06

0.99±5.39E-03

 72 h

3.61E-11±0.01E-12

0.708±0.07

6.69E-04±1.96E-05

36.12±1.14

0.98±0.07

1.42E-06±9.74E-07

0.98±8.25E-03