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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Biochim Biophys Acta. 2008 Jul 1;1778(10):2430–2436. doi: 10.1016/j.bbamem.2008.06.016

Figure 1.

Figure 1

A surface-supported bilayer and its equivalent electrical circuit. The RsCs element corresponds to the support-electrolyte interface with the resistance Rs describing solid-to-liquid charge transfer due to redox reaction and Cs being the double layer and the space charge capacitance, while the RmCm (or RmCPE) element corresponds to the resistance and capacitance of the bilayer, and the series resistor Re corresponds to the resistance of the electrolyte (buffer). The values of all electrical components are experimentally determined by measuring electrochemical impedance of the surface-supported bilayer.