Patents Assigned to Nexcelom Bioscience, LLC
  • Patent number: 11911764
    Abstract: The invention provides novel sample chambers, sample analysis units, multi-well plates, and imaging and analytical systems as well as methods for accurate, efficient and high-throughput imaging, measurement and analysis of diverse types of biological cells to obtain information such as cell count, cell size, cell concentration, cell sub-population, cell morphology, cell viability, etc.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: February 27, 2024
    Assignee: Nexcelom Bioscience LLC
    Inventors: Peter Y. Li, Jean Qiu, Leo L. Chan, Justin R. Hascup, Timothy F. Smith, Todd R. Sobolewski, Nicholas N. Shaw
  • Patent number: 11473121
    Abstract: The invention generally relates to analyzing yeast viability. More particularly, the invention relates to efficient and effective methods and compositions for accessing and measuring viability and concentration of yeast cells.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: October 18, 2022
    Assignee: NEXCELOM BIOSCIENCE LLC
    Inventor: Leo L. Chan
  • Patent number: 9933415
    Abstract: The invention generally relates to analytical and monitoring systems useful for analyzing and measuring cells and biological samples. More particularly, the invention provides systems and methods for internal calibration and focus reference for cytometry imaging.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: April 3, 2018
    Assignee: Nexcelom Bioscience LLC
    Inventors: Leo L Chan, Jean Qiu, Peter Li, Kevin Flanagan, Timothy Smith
  • Patent number: 9342734
    Abstract: The present invention generally relates to systems and methods for counting biomolecules or cells. In certain embodiments, the invention provides a cell counting or biomolecule counting system including: a covered chamber having a known height and configured to hold a suspension of biomolecules or cells in a sample; at least one fluorescent light source connected to at least one fluorescent light beam narrowing device; a bright-field light source connected to a bright-field light beam narrowing device; a microscope objective; a detection device; a fluorescent filter assembly to allow only excitation light to illuminate the sample and allow only emission light from the sample to be imaged by the detection device; and a movable light shutter to block bright-field light during fluorescent detection.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: May 17, 2016
    Assignee: Nexcelom bioscience LLC
    Inventors: Bo Lin, Peter Y. Li, Jean Qiu, Timothy Smith, Todd Sobolewski, Alnoor Pirani
  • Patent number: 9329130
    Abstract: The invention generally relates to analytical and monitoring systems useful for analyzing and measuring cells and biological samples. More particularly, the invention relates to systems and methods for imaging, measuring, counting, analyzing, and monitoring microscopic particles such as cells and biological molecules in solution samples.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: May 3, 2016
    Assignee: Nexcelom Bioscience LLC
    Inventors: Leo L. Chan, Peter Li
  • Patent number: 9186843
    Abstract: The invention generally relates to analytical and monitoring systems useful for analyzing and measuring cells and biological sample. More particularly, the invention relates to a unique cell counting chamber, e.g., a thin gap fluidic cell chamber for both bright field and fluorescent imaging of bacteria or parasites, and methods for making the same.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: November 17, 2015
    Assignee: Nexcelom Bioscience LLC
    Inventors: Leo L. Chan, Jean Qiu
  • Patent number: 9075790
    Abstract: The invention generally relates to analytical and monitoring systems useful for analyzing and measuring cells and biological samples. More particularly, the invention provides systems and methods for internal calibration and focus reference for cytometry imaging.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: July 7, 2015
    Assignee: Nexcelom Bioscience LLC
    Inventors: Leo L. Chan, Jean Qiu, Peter Li, Kevin Flanagan, Timothy Smith
  • Patent number: 8928876
    Abstract: The invention generally relates to analytical and monitoring systems useful for analyzing and measuring cells and biological sample. More particularly, the invention relates to a unique cell counting chamber, e.g., a thin gap fluidic cell chamber for both bright field and fluorescent imaging of bacteria or parasites, and methods for making the same.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: January 6, 2015
    Assignee: Nexcelom Bioscience LLC
    Inventors: Leo L. Chan, Jean Qiu
  • Patent number: 8883491
    Abstract: The present invention generally relates to systems and methods for counting biomolecules or cells. In certain embodiments, the invention provides a cell counting or biomolecule counting system including: a covered chamber having a known height and configured to hold a suspension of biomolecules or cells in a sample; at least one fluorescent light source connected to at least one fluorescent light beam narrowing device; a bright-field light source connected to a bright-field light beam narrowing device; a microscope objective; a detection device; a fluorescent filter assembly to allow only excitation light to illuminate the sample and allow only emission light from the sample to be imaged by the detection device; and a movable light shutter to block bright-field light during fluorescent detection.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: November 11, 2014
    Assignee: Nexcelom Bioscience LLC
    Inventors: Bo Lin, Peter Y. Li, Jean Qiu, Timothy Smith, Todd Sobolewski, Alnoor Pirani
  • Publication number: 20140024074
    Abstract: The invention generally relates to analyzing yeast viability. More particularly, the invention relates to efficient and effective methods and compositions for accessing and measuring viability and concentration of yeast cells.
    Type: Application
    Filed: June 6, 2011
    Publication date: January 23, 2014
    Applicant: NEXCELOM BIOSCIENCE LLC
    Inventor: Leo L. Chan
  • Publication number: 20130336567
    Abstract: The invention generally relates to analytical and monitoring systems useful for analyzing and measuring cells and biological samples. More particularly, the invention provides systems and methods for internal calibration and focus reference for cytometry imaging.
    Type: Application
    Filed: October 20, 2011
    Publication date: December 19, 2013
    Applicant: Nexcelom Bioscience LLC
    Inventors: Leo L. Chan, Jean Qiu, Peter Li, Kevin Flanagan, Timothy Smith
  • Patent number: 7329537
    Abstract: In the present invention, a micro-pattern embedded optical film for cell-based assays is described. The optical film contains micro-patterns in the form of geometric shapes, such as lines and curves, and numbers and letters. Furthermore, the optical film contains a coordinate system that allows identification of each location on the optical film for cell-based assays, including cell growth, identification, and measurements under an optical microscope. Furthermore, an apparatus with the micro-pattern embedded optical film and a supporting part is described. Methods for making the optical film and apparatus are disclosed. A method for performing cell-based assays using the optical film or apparatus is shown.
    Type: Grant
    Filed: April 17, 2004
    Date of Patent: February 12, 2008
    Assignee: Nexcelom Bioscience, LLC
    Inventor: Jean Qiu