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. 2003 Aug;85(2):876–885. doi: 10.1016/S0006-3495(03)74527-5

FIGURE 4.

FIGURE 4

Power density spectra of a membrane containing ∼450 open LamB-channels (open squares; lower trace) and another membrane containing ∼200 open CymA-channels (open circles; upper trace). The membranes were formed from diphytanoyl phosphatidylcholine/n-decane. Note that the open LamB-channels showed 1/f-noise, whereas the power density spectrum of the open CymA-channels could be explained by a Lorentzian function using the following parameters: τ = 0.99 ms; S0 = 1.33 × 10−24 A2s; T = 20°C; and Vm = 20 mV.