Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Impedance responses of the chip as a function of frequency for bare gold microelectrodes, aptamers-functionalized gold electrodes surface, and trapped A549 cells onto the modified electrodes with a voltage amplitude of 100 mV, and a frequency range from 100 Hz to 1 MHz: (a) Impedance magnitude, (b) Phase angle.
