Fig. 2.
Modeling the high-frequency current noise in nanopores. (a) The applied voltage and the resulting current response as a function of time for a 15.6-nm-diameter nanopore. The red line shows the best fit to the data. (b) The current response of a plotted on logarithmic scales for times up to 104 μs. The red line is identical to the one plotted in a, whereas the cyan line is a fit to Curie's law for t > 40RcCp. (c) Current power spectral density of a 15.6-nm-diameter nanopore (black) and the calculated power spectrum (red solid line). The red dotted line results from an addition of the measured low-frequency noise to the calculated values.