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:
Aug. 01, 2017

Filed:

Sep. 12, 2007
Applicants:

Steven A. Soper, Baton Rouge, LA (US);

Robin L. Mccarley, Prairieville, LA (US);

Guofang Chen, Hicksville, NY (US);

Hamed Shadpour, Chapel Hill, NC (US);

Inventors:

Steven A. Soper, Baton Rouge, LA (US);

Robin L. McCarley, Prairieville, LA (US);

Guofang Chen, Hicksville, NY (US);

Hamed Shadpour, Chapel Hill, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B82B 3/00 (2006.01); G01N 27/26 (2006.01); G01N 33/561 (2006.01); B81C 1/00 (2006.01); G01N 27/447 (2006.01);
U.S. Cl.
CPC ...
B81C 1/00111 (2013.01); G01N 27/44773 (2013.01); B81C 2201/034 (2013.01); Y10T 428/2982 (2015.01);
Abstract

A method is disclosed for fabricating free-standing polymeric nanopillars or nanotubes with remarkably high aspect ratios. The nanopillars and nanotubes may be used, for example, in integrated microfluidic systems for rapid, automated, high-capacity analysis or separation of complex protein mixtures or their enzyme digest products. One embodiment, preferably fabricated entirely from polymer substrates, comprises a cell lysis unit; a solid-phase extraction unit with free-standing, polymeric nanostructures; a multi-dimensional electrophoretic separation unit with high peak capacity; a solid-phase nanoreactor for the proteolytic digestion of isolated proteins; and a chromatographic unit for the separation of peptide fragments from the digestion of proteins. The nanopillars and nanotubes may also be used to increase surface area for reaction with a solid phase, for example, with immobilized enzymes or other catalysts within a microchannel, or as a solid support for capillary electrochromatography-based separations of proteins or peptides.


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