Skip to main content

Table 1 The effect of lead exposure on the properties of electrical impedance spectra of mice blood

From: Effects of lead exposure on blood electrical impedance spectroscopy of mice

Parameters Symbol/unit Control (n = 10) Experimental (n = 10) Rate of change (%)
Low-frequency limit of real part of impedance \(Z^{\prime}_{0}\)/Ω m 2.58 ± 0.33 2.02 ± 0.17*** − 21.80
High-frequency limit of real part of impedance \(Z^{\prime}_{\infty }\)/Ω m 1.05 ± 0.12 0.94 ± 0.05* − 10.48
Real-part increment of electrical impedance Z/Ω m 1.54 ± 0.22 1.08 ± 0.16*** − 29.87
Impedance amplitude at low frequency |Z|0/Ω m 2.58 ± 0.33 2.03 ± 0.17*** − 21.32
Impedance amplitude at high frequency |Z|/Ω m 1.12 ± 0.12 1.00 ± 0.05* − 10.71
Impedance amplitude increment ∆|Z|/Ω m 1.54 ± 0.22 1.08 ± 0.16*** − 29.87
Logarithm of low-frequency impedance amplitude log|Z|0/Ω m 0.41 ± 0.05 0.30 ± 0.04*** − 33.33
Peak of imaginary part of impedance \(Z^{\prime\prime}_{{\text{p}}}\)/Ω m − 0.51 ± 0.08 − 0.34 ± 0.07*** − 26.83
Peak of phase angle (deg) θp/deg − 15.94 ± 0.85 − 13.23 ± 1.96** − 17.00
Peak of phase angle (rad) θp/rad − 0.28 ± 0.01 − 0.23 ± 0.03** − 17.86
The 1st characteristic frequency f1/MHz 1.76 ± 0.12 2.25 ± 0.52* 27.84
The 2nd characteristic frequency f2/MHz 2.81 ± 0.23 4.96 ± 2.47* 76.51
Characteristic frequency f0/MHz 2.22 ± 0.15 3.30 ± 1.12* 48.65
  1. *p < 0.05, **p < 0.01, ***p < 0.001, compared with the control group