In this paper we present a method for measuring the complex impedance of a tethered bilayer membrane (tBLM). Measuring the impedance of a tBLM can involve large, nonportable, expensive instrumentation. Here we present a method of complex impedance measurement that is portable and inexpensive; requiring only a laptop or palm-pocket computer with a USB interface. The complex impedance measurement is improved by using a type of pseudorandom binary sequence (PRBS) called a maximum length sequence (MLS). This method of impedance measurement improves the resolution over conventional sinusoidal frequency sweeping methods. © 2008 IEEE.
CITATION STYLE
Hamilton, T. J., Van Schaik, A., & Cornell, B. (2008). Measuring the impedance of a tethered bilayer membrane biosensor. In 2008 IEEE-BIOCAS Biomedical Circuits and Systems Conference, BIOCAS 2008 (pp. 361–364). https://doi.org/10.1109/BIOCAS.2008.4696949
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