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. 2010 Jun 16;98(12):2831–2838. doi: 10.1016/j.bpj.2010.03.034

Figure 4.

Figure 4

Membrane capacitance of prestin-transfected HEK cells. (A) An example of time course during PC12:0 perfusion. Control (black) and 93 s, 150 s, and 270 s from the onset of perfusion (red), from the bottom to the top. CE-γ-CD concentration 2.5 mM. Parameter values are given in Table 2. (B) PC24:1, Control (black), and 144 s from the onset of perfusion (red). Parameter values for two-component fit (Eq. 1) are given in Table 2. (C) Relationship between voltage shifts and change in the linear capacitance. Data points are taken while PCs were incorporated into the cell membrane. The best fit slope (solid line) is (5.9 ± 0.5) mV percent change of the linear capacitance.