Fig. 7From: Biointerfaces with ultrathin patterns for directional control of cell migrationCell monitoring using impedance measurement at 1Â MHz and 100 mV. (a) Schematic of microfluidic system for electrical characterization of single cells using impedance spectroscopy and narrow channel. (b) Electrical impedance signal changed as single cells passed through electrodes. (c) Time-lapse micrographs of single MC3T3-E1 cells passing through electrodesBack to article page