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. 18, 2025

Filed:

Sep. 21, 2021
Applicant:

Triad National Security, Llc, Los Alamos, NM (US);

Inventors:

Kiersten Danielle Lenz, Los Alamos, NM (US);

Harshini Mukundan, Los Alamos, NM (US);

Pulak Nath, Los Alamos, NM (US);

Jennifer Foster Harris, Los Alamos, NM (US);

Aaron S. Anderson, Los Alamos, NM (US);

Assignee:

Triad National Security, LLC, Los Alamos, NM (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/00 (2006.01); G01N 33/49 (2006.01);
U.S. Cl.
CPC ...
B01L 3/502753 (2013.01); B01L 2300/0803 (2013.01); B01L 2300/0887 (2013.01); B01L 2300/165 (2013.01); G01N 33/491 (2013.01);
Abstract

A microfluidic device can include at least one separation unit defining a first chamber fluidly coupled to an opening and a trap chamber disposed downstream of the opening, and a second chamber that extends radially outwardly of the opening. The second chamber can be offset from the first chamber along a first axis of the device and along a second axis of the device. The separation unit can further comprise a membrane disposed between the first and second chambers and extending across the opening, the membrane being configured such that when a sample is received in the first chamber and the device is rotated, the sample flows across the membrane and filtrate passes through the membrane into the second reservoir and residue flows into the trap chamber.


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