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:
Jul. 07, 2026

Filed:

May. 15, 2023
Applicant:

Bio-rad Laboratories, Inc., Hercules, CA (US);

Inventor:

Ahmadreza Rashedi, Pleasanton, CA (US);

Assignee:

Bio-Rad Laboratories, Inc., Hercules, CA (US);

Attorney:
Int. Cl.
CPC ...
G01N 15/1404 (2024.01); G01N 15/01 (2024.01); G01N 15/06 (2024.01); G01N 15/075 (2024.01); G01N 15/14 (2024.01);
U.S. Cl.
CPC ...
G01N 15/1404 (2013.01); G01N 15/0625 (2013.01); G01N 15/1459 (2013.01); G01N 15/01 (2024.01); G01N 15/075 (2024.01); G01N 2015/1493 (2013.01);
Abstract

Methods and systems for detecting particles. In an exemplary method, a sample fluid including the particles may be driven from a sample inlet channel, through a confluence region, and into a sample outlet channel defining a longitudinal axis. Focusing fluid may be introduced into the confluence region from at least two focusing channels along respective introduction axes. Introducing may be rotationally asymmetrical about the longitudinal axis. The introduction axes and the longitudinal axis may collectively extend in three dimensions. The particles may be passed through an interrogation zone of the sample outlet channel. The interrogation zone may be irradiated with light. Optical radiation may be detected from the interrogation zone.


Find Patent Forward Citations

Loading…