Table 3.
Dielectric properties of HEK293 and Jurkat cells measured by electrorotation
| Cell line | Treatment | Medium osmolarity (mOsm) | Cm (mF/m2)a | Gm (S/m2)a | σi (mS/m)b | εi/ε0b | Cell number, na (n)b |
|---|---|---|---|---|---|---|---|
| HEK293 | Control | 300 | 8.5 ± 0.3 | ∼0 | 533 ± 63 | 71 ± 9 | 260 (10) |
| HEK293 | Control | 100 | 7.5 ± 0.3 | 126 ± 33 | 175 ± 14 | 85 ± 15 | 80 (23) |
| Jurkat | Control | 100 | 7.1 ± 0.1 | 90 ± 20 | 287 ± 10 | 137 ± 5 | 316 (21) |
aCm and Gm were determined by the CRF technique.
bσi and εi were calculated from the ROT spectra; ε0 = 8.85 10–12 F/m is the absolute permittivity of vacuum