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. Author manuscript; available in PMC: 2021 Apr 7.
Published in final edited form as: Anal Chem. 2016 Oct 27;88(22):10876–10883. doi: 10.1021/acs.analchem.6b01410

Figure 3. Current spectra of a cancer spheroid at selected time points.

Figure 3

(A) baseline current spectra; (B) ΔI peak-to-baseline spectra. Spectra are shown for selected time points between days 0 and 4; on day 2, the medium in all reservoirs was exchanged so that data before and after medium exchange on the same day are shown. (C) Optical monitoring of the growth of the very same spheroid measured by EIS in panel B.