IP Library › Granted Patent US 7,682,497
Granted Patent B1
US 7,682,497 · App. 11/174,082 · Granted Mar 23, 2010

Thermo-gelling matrices for microchannel DNA sequencing

Assignee: Northwestern University
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Quick Facts
Patent No.
US 7,682,497
App. No.
11/174,082
Granted
Mar 23, 2010
Kind
B1
Abstract

Polymeric compounds and related methods and apparatus, as can be used in a wide range of RNA and DNA separations.

Claims (5)

1. A sol-gel system comprising a copolymer of N-methoxyethylacrylamide and N-ethoxyethylacrylamide in an aqueous medium, said system comprising said copolymer of a molecular weight ranging from about 2 MDa to about 4 MDa.

2. The system of claim 1 wherein said copolymer comprises about 10 weight percent to about 25 weight percent N-ethoxyethylacrylamide.

3. The system of claim 2 comprising a hydrogel at a temperature above about 35° C.

4. The system of claim 2 wherein said copolymer is substantially in solution at about room temperature.

5. The system of claim 4 wherein said system is provided in an electrophoresis capillary.

Assignments (3)
CONFIRMATORY LICENSE Recorded Feb 18, 2010
From: NORTHWESTERN UNIVERSITY
To: NATIONAL INSTITUTES OF HEALTH (NIH), U.S. DEPT. OF HEALTH AND HUMAN SERVICES (DHHS), U.S. GOVERNMENT
Reel/Frame 023952/0091 →
CONFIRMATORY LICENSE Recorded Sep 26, 2007
From: NORTHWESTERN UNIVERSITY
To: NATIONAL SCIENCE FOUNDATION
Reel/Frame 019879/0769 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 11, 2005
From: BARRON, ANNELISE E.; KAN, CHEUK-WAI
To: NORTHWESTERN UNIVERSITY
Reel/Frame 017096/0482 →
Continuity (1)
Provisional Application 6058441500 · Jun 30, 2004