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. 2002 Nov 4;89(19):198103.
doi: 10.1103/PhysRevLett.89.198103. Epub 2002 Oct 18.

Fabrication of a synthetic nanopore ion pump

Z Siwy  1 , A Fuliński
Affiliations

Fabrication of a synthetic nanopore ion pump

Z Siwy et al. Phys Rev Lett. .

Abstract

We present a synthetic nanodevice, which transports potassium ions against their concentration gradient if stimulated with external field fluctuations. It consists of a single, conical pore, created in a thin polyethylene terephthalate film. The pumping mechanism is similar to one of longitudinally oscillating deterministic ratchets.

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