Flow cytometry apparatus and methods
First Claim
1. A particle analyzer, comprising:
- a source of a non-Gaussian, substantially nondiffracting light beam;
a flow path configured to produce a ribbon-like core stream in a flow cell, wherein the flow cell is configured to expose a segment of the core stream to the light beam; and
a plurality of detectors configured in a linear array, wherein individual detectors of the plurality of detectors are configured to receive a signal from a corresponding portion of the core stream, the signal resulting from an interaction of a particle in the corresponding portion of the core stream with the light beam.
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Accused Products
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.
29 Citations
20 Claims
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1. A particle analyzer, comprising:
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a source of a non-Gaussian, substantially nondiffracting light beam; a flow path configured to produce a ribbon-like core stream in a flow cell, wherein the flow cell is configured to expose a segment of the core stream to the light beam; and a plurality of detectors configured in a linear array, wherein individual detectors of the plurality of detectors are configured to receive a signal from a corresponding portion of the core stream, the signal resulting from an interaction of a particle in the corresponding portion of the core stream with the light beam. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A particle analyzer, comprising:
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a source of a light beam; a flow path configured to produce a ribbon-like core stream in a flow cell, wherein the flow cell is configured to expose a segment of the core stream to the light beam; a plurality of detectors, wherein individual detectors of the plurality of detectors are configured to receive a signal from a corresponding portion of the core stream, the signal resulting from an interaction of a particle in the corresponding portion of the core stream with the light beam; a first plurality of sorting actuators connected with the flow cell, the first plurality of sorting actuators being positioned downstream of the segment of the core stream exposed to the light beam, the first plurality of sorting actuators being in substantial alignment with a largest cross-sectional dimension of the core stream, wherein individual sorting actuators of the first plurality of sorting actuators are configured to have multiple actuation states; and a plurality of sorting channels in fluid connection with the flow path and downstream of the first plurality of sorting actuators, the plurality of sorting channels being configured in a two-dimensional array, wherein at least one individual sorting actuator of the first plurality of sorting actuators is selectable to operate in at least one of the multiple actuation states to direct at least one part of the core stream to at least one corresponding sorting channel of the plurality of sorting channels. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method comprising:
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providing a particle analyzer comprising; a source of a non-Gaussian, substantially nondiffracting light beam, a flow path configured to produce a ribbon-like core stream in a flow cell, wherein the flow cell is configured to expose a segment of the core stream to the light beam, and a plurality of detectors, wherein individual detectors in the plurality of detectors are configured to receive a signal from a corresponding portion of the core stream, the signal resulting from an interaction of a particle in the corresponding portion of the core stream with the light beam; creating the ribbon-like core stream; exposing the ribbon-like core stream to the non-Gaussian, substantially nondiffracting light beam in the flow cell; introducing a particle in the ribbon-like core stream; creating a signal resulting from the interaction of the non-Gaussian, substantially nondiffracting light beam with the particle in the ribbon-like core stream; detecting the signal from the interaction of the non-Gaussian, substantially nondiffracting light beam with the particle with a detector, wherein the detector is one of the plurality of detectors; and using the signal to determine a location of the particle across the core stream. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification