Particle analysis and imaging apparatus and methods

    公开(公告)号:US11573165B2

    公开(公告)日:2023-02-07

    申请号:US17326662

    申请日:2021-05-21

    Abstract: Described herein are apparatuses for analyzing an optical signal decay. In some embodiments, an apparatus includes: a source of a beam of pulsed optical energy; a sample holder configured to expose a sample to the beam; a detector comprising a number of spectral detection channels configured to convert the optical signals into respective electrical signals; and a signal processing module configured to perform a method. In some embodiments, the method includes: receiving the electrical signals from the detector; mathematically combining individual decay curves in the electrical signals into a decay supercurve, the supercurve comprising a number of components, each component having a time constant and a relative contribution to the supercurve; and numerically fitting a model to the supercurve.

    Flow cytometry apparatus and methods

    公开(公告)号:US10656072B2

    公开(公告)日:2020-05-19

    申请号:US16154642

    申请日:2018-10-08

    Inventor: Giacomo Vacca

    Abstract: A particle analyzer, comprising a source of a substantially nondiffracting light beam; a flow path configured to produce in a flowcell a ribbon-like core stream having a specific cross-sectional aspect ratio; the flowcell being configured to expose a segment of the core stream to the light beam; a detector configured to receive a signal resulting from an interaction of a particle in the core stream with the light beam; a first sorting actuator connected with the flowcell, downstream of the exposed segment of core stream; a plurality of sorting channels in fluid connection with the flow path and downstream of the first actuator; the actuator having multiple actuation states, each state configured to direct at least one part of the core stream to a corresponding channel; a second sorting actuator connected with the flowcell, opposite the first actuator, and operable in coordination with the first actuator.

    CONTINUOUS FLOWCELL MONITORING APPARATUSES AND METHODS

    公开(公告)号:US20240102914A1

    公开(公告)日:2024-03-28

    申请号:US18546508

    申请日:2022-02-16

    CPC classification number: G01N15/1459 G01N15/1436 G01N2015/1006

    Abstract: This disclosure relates to an external monitoring device for a flow cytometer. The external monitoring device comprises: a housing configured to reversibly attach to a portion of the flow cytometer such that an optical system within the housing is aligned with a monitoring region within a flowcell of the flow cytometer. The optical system is configured to continuously capture and monitor at least a portion of the optical energy emanating from the monitoring region of the flowcell. The optical system comprises at least one sensor configured to: detect the optical energy captured by the optical system, and generate, based on the detected optical energy, an image of the monitoring region. The external monitoring device may further comprise a processor configured to continuously provide the image to an electronic device, for example a display or a computing device.

    Flow cytometry apparatus and methods

    公开(公告)号:US11573167B2

    公开(公告)日:2023-02-07

    申请号:US17346893

    申请日:2021-06-14

    Inventor: Giacomo Vacca

    Abstract: A particle analyzer, comprising a source of a substantially nondiffracting light beam; a flow path configured to produce in a flowcell a ribbon-like core stream having a specific cross-sectional aspect ratio; the flowcell being configured to expose a segment of the core stream to the light beam; a detector configured to receive a signal resulting from an interaction of a particle in the core stream with the light beam; a first sorting actuator connected with the flowcell, downstream of the exposed segment of core stream; a plurality of sorting channels in fluid connection with the flow path and downstream of the first actuator; the actuator having multiple actuation states, each state configured to direct at least one part of the core stream to a corresponding channel; a second sorting actuator connected with the flowcell, opposite the first actuator, and operable in coordination with the first actuator.

    Particle analysis and imaging apparatus and methods

    公开(公告)号:US11543339B2

    公开(公告)日:2023-01-03

    申请号:US17308941

    申请日:2021-05-05

    Abstract: Described herein are apparatuses for analyzing an optical signal decay. In some embodiments, an apparatus includes: a source of a beam of pulsed optical energy; a sample holder configured to expose a sample to the beam; a detector comprising a number of spectral detection channels configured to convert the optical signals into respective electrical signals; and a signal processing module configured to perform a method. In some embodiments, the method includes: receiving the electrical signals from the detector; mathematically combining individual decay curves in the electrical signals into a decay supercurve, the supercurve comprising a number of components, each component having a time constant and a relative contribution to the supercurve; and numerically fitting a model to the supercurve.

    Particle analysis and imaging apparatus and methods

    公开(公告)号:US11536641B2

    公开(公告)日:2022-12-27

    申请号:US17307975

    申请日:2021-05-04

    Abstract: Described herein are apparatuses for analyzing an optical signal decay. In some embodiments, an apparatus includes: a source of a beam of pulsed optical energy; a sample holder configured to expose a sample to the beam; a detector comprising a number of spectral detection channels configured to convert the optical signals into respective electrical signals; and a signal processing module configured to perform a method. In some embodiments, the method includes: receiving the electrical signals from the detector; mathematically combining individual decay curves in the electrical signals into a decay supercurve, the supercurve comprising a number of components, each component having a time constant and a relative contribution to the supercurve; and numerically fitting a model to the supercurve.

    PARTICLE ANALYSIS AND IMAGING APPARATUS AND METHODS

    公开(公告)号:US20210341374A1

    公开(公告)日:2021-11-04

    申请号:US17328331

    申请日:2021-05-24

    Abstract: Described herein are apparatuses for analyzing an optical signal decay. In some embodiments, an apparatus includes: a source of a beam of pulsed optical energy; a sample holder configured to expose a sample to the beam; a detector comprising a number of spectral detection channels configured to convert the optical signals into respective electrical signals; and a signal processing module configured to perform a method. In some embodiments, the method includes: receiving the electrical signals from the detector; mathematically combining individual decay curves in the electrical signals into a decay supercurve, the supercurve comprising a number of components, each component having a time constant and a relative contribution to the supercurve; and numerically fitting a model to the supercurve.

    PARTICLE ANALYSIS AND IMAGING APPARATUS AND METHODS

    公开(公告)号:US20210270720A1

    公开(公告)日:2021-09-02

    申请号:US17308941

    申请日:2021-05-05

    Abstract: Described herein are apparatuses for analyzing an optical signal decay. In some embodiments, an apparatus includes: a source of a beam of pulsed optical energy; a sample holder configured to expose a sample to the beam; a detector comprising a number of spectral detection channels configured to convert the optical signals into respective electrical signals; and a signal processing module configured to perform a method. In some embodiments, the method includes: receiving the electrical signals from the detector; mathematically combining individual decay curves in the electrical signals into a decay supercurve, the supercurve comprising a number of components, each component having a time constant and a relative contribution to the supercurve; and numerically fitting a model to the supercurve.

    FLOW CYTOMETRY APPARATUS AND METHODS
    40.
    发明申请

    公开(公告)号:US20200278286A1

    公开(公告)日:2020-09-03

    申请号:US16876488

    申请日:2020-05-18

    Inventor: Giacomo Vacca

    Abstract: A particle analyzer, comprising a source of a substantially nondiffracting light beam; a flow path configured to produce in a flowcell a ribbon-like core stream having a specific cross-sectional aspect ratio; the flowcell being configured to expose a segment of the core stream to the light beam; a detector configured to receive a signal resulting from an interaction of a particle in the core stream with the light beam; a first sorting actuator connected with the flowcell, downstream of the exposed segment of core stream; a plurality of sorting channels in fluid connection with the flow path and downstream of the first actuator; the actuator having multiple actuation states, each state configured to direct at least one part of the core stream to a corresponding channel; a second sorting actuator connected with the flowcell, opposite the first actuator, and operable in coordination with the first actuator.

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