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:
Dec. 11, 2007

Filed:

Jun. 26, 2002
Applicants:

Rafael Gomez, West Lafayette, IN (US);

Rashid Bashir, West Lafayette, IN (US);

Arun K. Bhunia, West Lafayette, IN (US);

Michael R. Ladisch, West Lafayette, IN (US);

J. Paul Robinson, West Lafayette, IN (US);

Inventors:

Rafael Gomez, West Lafayette, IN (US);

Rashid Bashir, West Lafayette, IN (US);

Arun K. Bhunia, West Lafayette, IN (US);

Michael R. Ladisch, West Lafayette, IN (US);

J. Paul Robinson, West Lafayette, IN (US);

Assignee:

Purdue Research Foundation, West Lafayette, IN (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/569 (2006.01); C12Q 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for collecting a microbiological substance utilizes a micro fabricated biochip having a collection chamber. A fluid sample containing a microbiological entity of interest is delivered to the collection chamber in the biochip. Then a non-uniform electric field is generated in the collection chamber, to retain the microbiological entity of interest in the collection chamber. The microbiological entity is retained through dielectrophoresis induced by the energization of the electrodes by a periodically applied, alternating current.


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