The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 21, 2010

Filed:

Apr. 12, 2006
Applicants:

Derek J. Hansford, Columbus, OH (US);

Robbie J. Walczak, Hilliard, OH (US);

Anthony A. Boiarski, Hilliard, OH (US);

Inventors:

Derek J. Hansford, Columbus, OH (US);

Robbie J. Walczak, Hilliard, OH (US);

Anthony A. Boiarski, Hilliard, OH (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/00 (2006.01); F04B 43/04 (2006.01); F04B 43/06 (2006.01); F04F 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A nanopump for pumping small volumes of electrolyte solution under the control of a voltage source is described. The device includes a chamber and a nanopore membrane which partitions the chamber into upstream and downstream regions. When a voltage potential is applied across the membrane, electroosmotic flow through the membrane channels produces a precise-volume flow between the two chamber regions. A method for precise-volume pumping employing the nanopump and a nanopump device for determining the lengths of nucleic acid fragments in an electrolyte solution of different-length fragments are also described.


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