| LUMINEX CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20120123026 | FUNCTIONALIZED COMPOSITIONS FOR IMPROVED IMMOBILIZATION - The present invention relates to improved covalent coupling of two or more entities such as biomolecules, polymer compositions, organic/inorganic molecules/materials, and the like, including their combinations, through one or more novel reactive groups attached to linker groups of 2-1000 atoms length. The present invention also contemplates the use of bifunctional bridge molecules to link two or more entities, wherein the functional groups of the bridge molecules are the novel reactive groups of the present invention. | 05-17-2012 |
| 20120028366 | FLOW CYTOMETER AND FLUIDIC LINE ASSEMBLY WITH MULTIPLE INJECTION NEEDLES - A flow cytometer is provided which includes an interrogation flow cell and a plurality of assay fluidic lines extending into the interrogation flow cell. A method of operating such a flow cytometer includes priming the interrogation flow cell with a sheath fluid and injecting different assay fluids into a flow of the sheath fluid through the plurality of fluidic lines. A fluidic line assembly is provided which includes a plurality of capillary tubes coupled to a base section configured for coupling to an interrogation flow cell assembly of a flow cytometer. The capillary tubes are dimensionally configured such that when the fluidic line assembly is arranged within the flow cytometer and fluid is dispensed from one or more of the capillary tubes at a given pressure differential with respect to an encompassing sheath fluid within the interrogation flow cell the fluid is substantially centrally aligned within the interrogation flow cell. | 02-02-2012 |
| 20120008869 | Methods and Systems for Image Data Processing - Methods, storage mediums, and systems for image data processing are provided. Embodiments for the methods, storage mediums, and systems include configurations to perform one or more of the following steps: background signal measurement, particle identification using classification dye emission and cluster rejection, inter-image alignment, inter-image particle correlation, fluorescence integration of reporter emission, and image plane normalization. | 01-12-2012 |
| 20120002882 | Methods and Systems for Image Data Processing - Methods, storage mediums, and systems for image data processing are provided. Embodiments for the methods, storage mediums, and systems include configurations to perform one or more of the following steps: background signal measurement, particle identification using classification dye emission and cluster rejection, inter-image alignment, inter-image particle correlation, fluorescence integration of reporter emission, and image plane normalization. | 01-05-2012 |
| 20120002875 | Methods and Systems for Image Data Processing - Methods, storage mediums, and systems for image data processing are provided. Embodiments for the methods, storage mediums, and systems include configurations to perform one or more of the following steps: background signal measurement, particle identification using classification dye emission and cluster rejection, inter-image alignment, inter-image particle correlation, fluorescence integration of reporter emission, and image plane normalization. | 01-05-2012 |
| 20110223602 | Systems and Methods for Multiplex Analysis of PCR in Real Time - The present invention provides methods and systems for real-time measurements of PCR with multiplexing capability. Certain embodiments relate to methods and systems that use fluorescently encoded superparamagnetic microspheres for the immobilization of amplification products during the PCR process, and an imaging chamber of a measurement device that is also capable of controllable thermal cycling for assisting the PCR process. | 09-15-2011 |
| 20110106495 | Methods for Altering One or More Parameters of a Measurement System - Methods for altering one or more parameters of a measurement system are provided. One method includes analyzing a sample using the system to generate values from classification channels of the system for a population of particles in the sample. The method also includes identifying a region in a classification space in which the values for the populations are located. In addition, the method includes determining an optimized classification region for the population using one or more properties of the region. The optimized classification region contains a predetermined percentage of the values for the population. The optimized classification region is used for classification of particles in additional samples. | 05-05-2011 |
| 20110086431 | Methods for Altering Surface Characteristics of Microspheres - Various methods for altering surface characteristics of a microsphere are provided. One method includes coupling an enolic acid to the microsphere to modify the surface characteristics of the microsphere. The surface characteristics may include charge density and/or pKa. A reagent can be coupled to the microsphere via the enolic acid. The reagent may include a biomolecule. The modified surface characteristics may increase a stability of the reagent when the reagent is coupled to the microsphere. The modified surface characteristics may also improve performance of an assay carried out with the microsphere. Another embodiment relates to a microsphere that includes an enolic acid coupled to a polymer core of the microsphere such that the enolic acid modifies surface characteristics of the microsphere. A reagent can be coupled to the microsphere via the enolic acid. | 04-14-2011 |
| 20100317544 | Methods, Particles, and Kits for Determining Activity of a Kinase - Methods, particles and kits for determining kinase activity within a sample are provided. An embodiment of a method includes exposing a fluorescent particle to an assay, wherein the fluorescent particle includes a support substrate having one or more fluorescent materials and a peptide substrate coupled to the support substrate via a functional group of the support substrate. The method further includes phosphorylating the peptide substrate during exposure of the fluorescent particle to the assay and processing the fluorescent particle such that the peptide substrate is dephosphorylated and a polarized double bond is generated at a dephosphorylated site. In addition, the method includes coupling a fluorescent reporter having a nucleophilic terminal group to the fluorescent particle via the polarized double bond. | 12-16-2010 |
| 20100241360 | Methods, Data Structures, and Systems for Classifying Microparticles - Methods, data structures, and systems for classifying particles are provided. In particular, the methods and systems are configured to acquire a first set of data corresponding to measurable parameters of a microparticle and identify a location of a look-up table to which the first set of data corresponds, wherein the look-up table is framed by values associated with at least one of the measurable parameters. Furthermore, the methods and systems are configured to determine whether the first set of data fits one or more predefined algorithms respectively indicative of a different microparticle classification associated with the identified location of the look-up table. The methods and systems are further configured to classifying the microparticle within at least one predefined categorization based upon the determination of whether the first set of data fits the one or more predefined algorithms. | 09-23-2010 |
| 20100228513 | Systems and Methods for Performing Measurements of One or More Materials - Systems and methods for performing measurements of one or more materials are provided. One system is configured to transfer one or more materials to an imaging volume of a measurement device from one or more storage vessels. Another system is configured to image one or more materials in an imaging volume of a measurement device. An additional system is configured to substantially immobilize one or more materials in an imaging volume of a measurement device. A further system is configured to transfer one or more materials to an imaging volume of a measurement device from one or more storage vessels, to image the one or more materials in the imaging volume, to substantially immobilize the one or more materials in the imaging volume, or some combination thereof. | 09-09-2010 |
| 20100178709 | Magnetic Microspheres For Use In Fluorescence-Based Applications - Microspheres, populations of microspheres, and methods for forming microspheres are provided. One microsphere configured to exhibit fluorescent and magnetic properties includes a core microsphere and a magnetic material coupled to a surface of the core microsphere. About 50% or less of the surface of the core microsphere is covered by the magnetic material. The microsphere also includes a polymer layer surrounding the magnetic material and the core microsphere. One population of microspheres configured to exhibit fluorescent and magnetic properties includes two or more subsets of microspheres. The two or more subsets of microspheres are configured to exhibit different fluorescent and/or magnetic properties. Individual microspheres in the two or more subsets are configured as described above. | 07-15-2010 |
| 20100120165 | Method and System for Manufacture and Use of Macroporous Beads in a Multiplex Assay - Macroporous beads and a method of manufacturing and using such macroporous beads. wherein the beads are distinguishable for use in a multiplex assay. Preferably, the beads are distinguishable by two or more unique fluorochromes, and at least some of the beads are magnetically responsive. In a preferred form, some of the macroporous beads have interior pores with a different moiety from the exterior surface, allowing beads with different attached functional groups. | 05-13-2010 |
| 20100017358 | Methods, Storage Mediums, and Systems for Configuring Classification Regions Within a Classification Matrix of an Analysis System and for Classifying Particles of an Assay - Methods and systems are provided which include configurations for the reassigning unit locations of a classification matrix at which two or more classification regions overlap as non-classification regions. In addition, methods and systems are provided which include configurations for mathematically creating classification regions which may be characterized by values which more accurately correspond to measured values of particles. Other embodiments of methods and systems include configurations for acquiring data corresponding to measurable parameters of a particle and identifying a location within a classification matrix to which at least some of the data corresponds. Such methods and systems further include configurations for translating either the data corresponding to the identified unit location or a target space located at known locations within the classification matrix a preset number of predetermined coordinate paths until a conclusion that the particle may be classified to particular particle category or a reject class is attained. | 01-21-2010 |
| 20090269780 | Method for Creating a Standard for Multiple Analytes Found in a Starting Material of Biological Origin - The invention provides a method for creating a standard for multiple analytes comprising treating a portion of a sample to substantially remove analytes of interest to produce a series of specifically deficient samples; and determining and mixing an appropriate amount of the series of specifically deficient samples to create a standard. The analyte may be any substance to be measured. | 10-29-2009 |
| 20090237658 | Methods for Altering One or More Parameters of a Measurement System - Methods for altering one or more parameters of a measurement system are provided. One method includes analyzing a sample using the system to generate values from classification channels of the system for a population of particles in the sample. The method also includes identifying a region in a classification space in which the values for the populations are located. In addition, the method includes determining an optimized classification region for the population using one or more properties of the region. The optimized classification region contains a predetermined percentage of the values for the population. The optimized classification region is used for classification of particles in additional samples. | 09-24-2009 |
| 20090192746 | Methods for Altering One or More Parameters of a Measurement System - Methods for altering one or more parameters of a measurement system are provided. One method includes analyzing a sample using the system to generate values from classification channels of the system for a population of particles in the sample. The method also includes identifying a region in a classification space in which the values for the populations are located. In addition, the method includes determining an optimized classification region for the population using one or more properties of the region. The optimized classification region contains a predetermined percentage of the values for the population. The optimized classification region is used for classification of particles in additional samples. | 07-30-2009 |
| 20090191638 | Assay Preparation Plates, Fluid Assay Preparation and Analysis Systems, and Methods for Preparing and Analyzing Assays - Assay preparation plates are provided which include an array of wells, a magnet, and an actuator configured to move the magnet proximate and remote relative to the array. A fluid assay preparation and analysis system is provided which includes a pipette disposed above an assay plate receiving area, a magnet disposed below the assay plate receiving area in approximate alignment with the pipette, and an actuator configured to move the magnet proximate the assay plate receiving area. A method for preparing and analyzing an assay includes injecting a sample into a sample well of an assay preparation plate and inserting the assay preparation plate into a fluid assay analysis system. The method further includes mixing the sample with one or more reagents in an assay plate receiving area of the system and subsequently aspirating the prepared assay into an examination chamber of the system. | 07-30-2009 |
| 20090189464 | Solenoid Actuator - A fluid assay system and a method for immobilizing magnetic particles within a fluid assay system are provided which employ a vessel for receiving magnetic particles and a solenoid actuator comprising a core component and a coil of wire wound around at least a portion of the core component. The solenoid actuator is configured such that an application of current through the coil of wire moves the core component toward the vessel. In some cases, core component includes a magnet to immobilize one or more magnetic particles disposed within the vessel. An embodiment of the solenoid actuator includes a telescoping body holding a core component and a coil of wire wound around at least a portion of the telescoping body. | 07-30-2009 |
| 20090170214 | Luminescent Reporter Modality for Analyzing an Assay - An optical analysis flow system and a method of assay analysis includes a means for facilitating activation of a luminescent material coupled to particles entrained within a fluid assay, wherein the means is arranged such that the activation of the luminescent material is conducted at a site along a flow path of the fluid assay prior to an examination zone of the optical analysis flow system. The method further includes measuring luminescent light emitting from the particles as they flow through the examination zone. Another method of assay analysis includes respectively measuring different types of luminescent light emission from a first set and a second set of particles comprising a fluid assay. An optical analysis system includes at least two distinct means for respectively facilitating the activation of at least two different luminescent materials coupled to particles of a fluid assay. | 07-02-2009 |
| 20090071225 | Systems, Storage Mediums, and Methods for Identifying Particles in Flow - Methods, storage mediums, and systems for correlating pulses generated from multiple interrogation regions in a flow cytometer to particular particles flowing through the flow cytometer are provided. Embodiments of the methods, storage mediums, and systems include configurations for calibrating a flow cytometer using a calibration particle having a unique signature to determine a time-of-flight for particles flowing through the flow cytometer. Based on the calculated time-of-flight and relative positions of interrogation regions corresponding to collectors of the flow cytometer, the methods, storage mediums, and systems may further include configurations for associating other signal pulses to particles of one or more different particle sets. | 03-19-2009 |
| 20090068680 | Method for Characterizing Immune Disorders - Methods for characterizing immune diseases are provided which include exposing a sample of biological fluid from a patient to a pooled population of particles, wherein a first subset of particles is bound to a reactant that binds an antibody and a second subset of particles is bound to a reactant that binds an antigen. The methods further include determining a ratio of measured amounts of the antibody and the antigen in the sample. In some cases, the ratio is compared to one or more standard ratios representing differing states of the disease to determine a state of the disease within the patient. In other embodiments, the steps of exposing and determining a ratio of antibody to antigen are repeated for one or more additional samples of biological fluid taken from the patient. In such cases, at least two ratios are compared to analyze a progression of the disease. | 03-12-2009 |
