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. Author manuscript; available in PMC: 2011 Apr 15.
Published in final edited form as: Biosens Bioelectron. 2010 Jan 25;25(8):1963–1969. doi: 10.1016/j.bios.2010.01.023

Fig. 4.

Fig. 4

(A) Overall impedance magnitude spectrum of single–NIH3T3–covered covalently– linked–KRGD–modified gold microelectrode (30 µm–diameter). Dashed lines are asymptotic approximation lines representing dominant electrical properties in the measured data. (B) Characteristic voltage response of IMA sensor after single cell immobilization.