Method and apparatus for sensing a time varying current...

Details Method and apparatus for sensing a time varying current... Method and apparatus for sensing a time varying current...

2005-07-22

2009-11-24

Nguyen, Vincent Q (Department: 2831)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S658000, C435S006120, C204S400000

Reexamination Certificate

active

07622934

ABSTRACT:
A capacitive sensing system is used to measure a time-varying ion current through a channel, such as an ion channel or protein pore. Such a capacitive system does not suffer problems of electrode corrosion and, when used with methods to control a build up of ion concentration, allows the use of measurement volumes around the channel with dimensions on a scale of nanometers.

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