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. 2019 Sep 16;1(3):131–138. doi: 10.1089/bioe.2019.0020

FIG. 2.

FIG. 2.

(a) Time trace of the baseline with only C6 culture medium (blue), with HeLa cells (black) and with C6 glioma cells (red). Reproduced from Ref.16 with permission from the Royal Society of Chemistry. (b) Time traces of neuroblastoma Neuro-2A cells (black) and C6 glioma cells (red). Reproduced from Ref.16 with permission from the Royal Society of Chemistry. (c) The power spectral density of current noise, SI, and voltage noise, SV, as a function of frequency of a population of C6 glioma cells. The power spectral densities are averages of 20 consecutive unbiased measurements, of 60 s each. The electrode area was 10.5 mm2. The solid lines are the calculated benchmark noise spectra of the bare Au electrodes in 100 mM aqueous KCl solution. Reproduced from Ref.15 with permission from Springer Nature, Scientific Reports.