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:
Nov. 14, 2017

Filed:

Oct. 04, 2016
Applicant:

The University of North Carolina AT Chapel Hill, Chapel Hill, NC (US);

Inventors:

John Scott Mellors, Chapel Hill, NC (US);

John Michael Ramsey, Chapel Hill, NC (US);

Nicholas George Batz, Carrboro, NC (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/26 (2006.01); G01N 27/26 (2006.01); G01N 33/52 (2006.01); H01J 49/16 (2006.01); H01J 49/04 (2006.01); G01N 27/447 (2006.01);
U.S. Cl.
CPC ...
H01J 49/165 (2013.01); G01N 27/4473 (2013.01); G01N 27/44791 (2013.01); H01J 49/0431 (2013.01); H01J 49/0445 (2013.01); H01J 49/26 (2013.01); G01N 27/44743 (2013.01);
Abstract

Methods, systems and devices that generate differential axial transport in a fluidic device having at least one fluidic sample separation flow channel and at least one ESI emitter in communication with the at least one sample separation flow channel. In response to the generated differential axial transport, the at least one target analyte contained in a sample reservoir in communication with the sample separation channel is selectively transported to the at least one ESI emitter while inhibiting transport of contaminant materials contained in the sample reservoir toward the at least one ESI emitter thereby preferentially directing analyte molecules out of the at least one ESI emitter. The methods, systems and devices are particularly suitable for use with a mass spectrometer.


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