Method for controlling the size of solid-state nanopores
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United States of America Patent
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Oct 3, 2017
Issued Date -
N/A
app pub date -
May 7, 2013
filing date -
May 7, 2012
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Abstract
A method is provided for precisely enlarging a nanopore formed in a membrane. The method includes: applying an electric potential across the nanopore, where the electric potential has a pulsed waveform oscillating between a high value and a low value; measuring current flowing though the nanopore while the electric potential is being applied to the nanopore at a low value; determining size of the nanopore based in part on the measured current; and removing the electric potential applied to the membrane when the size of the nanopore corresponds to a desired size.
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International Classification(s)
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- B81C:PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE M....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G01B:MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIME....
- C25F:PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIAL....
- B01D:SEPARATION
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