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:
Apr. 25, 2023

Filed:

Aug. 06, 2021
Applicant:

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

Inventors:

Robert Graham Cooks, West Lafayette, IN (US);

Zheng Ouyang, West Lafayette, IN (US);

Assignee:

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

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/00 (2006.01); G01N 30/95 (2006.01); H01J 49/16 (2006.01); H01J 49/04 (2006.01); G01N 30/91 (2006.01); G01N 33/49 (2006.01);
U.S. Cl.
CPC ...
G01N 30/95 (2013.01); G01N 30/91 (2013.01); G01N 33/49 (2013.01); H01J 49/0031 (2013.01); H01J 49/0404 (2013.01); H01J 49/0409 (2013.01); H01J 49/0431 (2013.01); H01J 49/167 (2013.01); H01J 49/168 (2013.01);
Abstract

The invention generally relates to ion generation using modified wetted porous materials. In certain aspects, the invention generally relates to systems and methods for ion generation using a wetted porous substrate that substantially prevents diffusion of sample into the substrate. In other aspects, the invention generally relate to ion generation using a wetted porous material and a drying agent. In other aspects, the invention generally relates to ion generation using a modified wetted porous substrate in which at least a portion of the porous substrate includes a material that modifies an interaction between a sample and the substrate.


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