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.

Patent No.:

US 8329115 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 11, 2012

Filed:

Nov. 23, 2009
Applicants:

Jongyoon Han, Bedford, MA (US);

Sung Jae Kim, Melrose, MA (US);

Dustin Moon, Malden, MA (US);

Inventors:

Jongyoon Han, Bedford, MA (US);

Sung Jae Kim, Melrose, MA (US);

Dustin Moon, Malden, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/447 (2006.01); G01N 27/453 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention provides a device and methods for increasing the concentration of a charged species in solution, wherein the solution containing the concentrated species is exposed to the environment. Such solution can be formed on a surface or on a tip of a measurement device. The open-environment concentration technique overcomes the disadvantages of in-channel concentration devices, especially by eliminating flow-induced delivery processes that lead to concentration losses. Combined with direct contact dispensing, methods of this invention can be used for various applications such as immunoassay and MALDI-MS.


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Han, Jongyoon. (2012). Nanofluidic preconcentration device in an open environment (U.S. Patent No. 8329115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8329115

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