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.:
Date of Patent:
Aug. 04, 2026
Filed:
May. 22, 2023
Becton, Dickinson and Company, Franklin Lakes, NJ (US);
Pierce O. Norton, Los Gatos, CA (US);
BECTON, DICKINSON AND COMPANY, Franklin Lakes, NJ (US);
Abstract
Aspects of the present disclosure include methods for determining absolute count of particles in a sample in a flow cytometer. Methods according to certain embodiments include introducing a bubble into a flow stream propagating a sample having particles, irradiating the flow stream with a light source, detecting light from the irradiated particles with a photodetector, detecting the presence of the bubble in the flow stream with the photodetector and determining the absolute count of the particles in the sample based on data signals generated in response to light detected from the irradiated particles, a data signal generated when the bubble is introduced into the flow stream and data signals generated in response to the detected bubble. Systems (e.g., flow cytometers) having a light source, a light detection system and a sample line that is configured to introduce a bubble into a flow stream for practicing the subject methods are also described. Non-transitory computer readable storage medium is also provided.