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Ionic Current During Translocation Through a Nanopore

Hui Liu, Shizhi Qian, and Haim H. Bau

image 1

Polarization of the electric double layer as reflected by the concentration distribution of the counter ions

image 2

The ionic current during translocation. I0 and Ip are, respectively, the currents in the absence and presence of the particle.

Objective:

Predict the ionic current resulting from the translocation of a cylindrical particle such as DNA through a nano-pore and infer information about the particle’s properties from the measurement of the ionic current

Liu, H., Qian, S., and Bau, H., H., 2007, Biophysical Journal 92: 1164-1177

 

 

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