期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 83, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3692746
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The effects of gate voltage on the translocation of DNA molecules through a nanopore are studied. A twenty-fold increase in the translocation time is observed with a positive gate voltage applied, without changing too much of the ionic current. The amplitude of the current blockage by the DNA molecules was reduced by roughly the same factor. At the same time, the number of the blocking events decreases significantly. The applied gate voltage also modulates the scatter plot of the amplitude of the current blockage against the dwell time. The observations are consistent with the recent theoretical results. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3692746]
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