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:
Mar. 19, 2019

Filed:

Apr. 15, 2011
Applicants:

Mais J. Jebrail, Richmond Hill, CA;

Hao Yang, Toronto, CA;

Aaron R. Wheeler, Toronto, CA;

Inventors:

Mais J. Jebrail, Richmond Hill, CA;

Hao Yang, Toronto, CA;

Aaron R. Wheeler, Toronto, CA;

Assignee:

mirOculus Inc., San Francisco, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 1/28 (2006.01); B01L 3/00 (2006.01); H01J 49/00 (2006.01); G01N 1/40 (2006.01);
U.S. Cl.
CPC ...
B01L 3/502792 (2013.01); B01L 3/502784 (2013.01); G01N 1/28 (2013.01); B01L 3/502753 (2013.01); B01L 2200/0631 (2013.01); B01L 2400/0427 (2013.01); G01N 2001/288 (2013.01); G01N 2001/4061 (2013.01); H01J 49/00 (2013.01); Y10T 436/25 (2015.01);
Abstract

Methods are provided for the preparation of a sample using a digital microfluidic platform and the optional subsequent mass analysis of an extracted analyte. A sample is dried, optionally on a solid phase support, and contacted with digital microfluidic array. An analyte present within the dried sample is extracted into an extraction solvent by electrically addressing the digital microfluidic array to transport a droplet of extraction solvent to the dried sample spot. The extracted sample may be dried and subsequently processed on the digital microfluidic array for derivatization. The digital microfluidic device may further include an integrated microfluidic channel having an output aperture, and the method may further include contacting a droplet containing extracted analyte with the microfluidic channel and applying a suitable electric field for generating nano-electrospray, thereby enabling the device to be directly interfaced with a mass analysis device.


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