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7428047 |
Time-delay integration in a flow cytometry system
An apparatus for detecting analytes in a sample is provided. The apparatus can include: a flow cytometry system including one or more detection zones; one or more irradiation sources disposed for...
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7420659 |
Flow control system of a cartridge
An apparatus having a disposable cytometer cartridge containing pumps, pressure chambers, reservoirs, flow sensors, flow channels, and microfluidic circuits with fluid operations on the cartridge....
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7333197 |
Raman detection based flow cytometer
A method and apparatus for enabling chemical identification of individual particles, cells of molecules by obtaining a Raman spectrum of a particle, cell or molecule as it flows past a sensing...
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7328882 |
Microfluidic modulating valve
A valve is provided that can selectively change the size of a flow channel in a valve in order to modulate the fluid flow through the valve. In one illustrative embodiment, the valve includes a...
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7318336 |
Methods for controlling one or more parameters of a flow cytometer type measurement system
Various methods for controlling one or more parameters of a flow cytometer type measurement system are provided. One embodiment includes monitoring parameter(s) of the measurement system during...
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7283223 |
Cytometer having telecentric optics
A mechanism for moving and positioning a light source so that its light impinges a target as it moves on or off axis of an optical system. A detector may receive scattered light at a same position...
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7280207 |
Time-delay integration in a flow cytometry system
An apparatus for detecting analytes in a sample is provided. The apparatus can include: a flow cytometry system including one or more detection zones; one or more irradiation sources disposed for...
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7277166 |
Cytometer analysis cartridge optical configuration
A medium having microfluidic circuitry for sampling and analyses. The medium may be a cartridge having a window countersunk into it and containing a flow channel. The flow channel may have items of...
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7262838 |
Optical detection system for flow cytometry
An optical detection system for flow cytometry that uses two or more light sources positioned laterally at different distances from a central axis of a flow stream for providing light through...
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7242474 |
Cytometer having fluid core stream position control
A cytometer having two or more chambers or regions in a containment structure of sheathing fluid that may be used to provide hydrodynamic focusing of another fluid having particles to be observed....
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7229778 |
Methods for determining the relative benefits and/or evaluating quantitative changes of products on epithelial tissue
A method for determining the relative benefits of products which affect animal epithelial tissue is provided. Also provided is a method for evaluating quantitative changes on one or more affected...
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7217937 |
Automatic identification of suspended particles
The present invention relates to the automatic analysis and identification of different species of particles in a liquid sample using both fluorescent tagging and magnification techniques. A light...
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7130046 |
Data frame selection for cytometer analysis
A system for detecting when a core stream in a channel of a flow device is adequate for sufficient data accession. The system may determine the time period from the beginning of a sample run in a...
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7110192 |
System and method for a composite lens for a flow cytometer
A lens system for collecting and focusing light emanating from an object has a cuvette housing the object and having a wall of thickness not greater than 1.5 millimeters; a plano-convex lens having...
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7061595 |
Miniaturized flow controller with closed loop regulation
An apparatus having scattering and multi-color fluorescence detecting, analyzing and identification capabilities of blood or other fluids of interest. The sample to be tested may be entered in a...
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7016022 |
Dual use detectors for flow cytometry
An optical alignment system for aligning a light beam with a core flow in a flow stream. The flow stream may have a sheath fluid and a core flow, where the core flow has a current position within...
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6906792 |
Methods of calibrating an imaging system using calibration beads
When utilized in a flow imaging instrument, calibration beads provide a known data source that can be employed in various self-diagnostic, calibration and quality metric applications for the both...
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