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7208319 |
Method of measurement of nucleated red blood cells
Methods are provided for measurement of nucleated red blood cells in a blood sample. The methods include exposing a blood cell sample to a reagent system to lyse mature red blood cells,...
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7198953 |
Method of using a reference control composition for measurement of nucleated red blood cells
Methods of using a reference control composition containing a nucleated red blood cell component for measurement of nucleated red blood cells are disclosed. The nucleated red blood cell component...
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7195919 |
Hematology controls for reticulocytes and nucleated red blood cells
The present invention is drawn to a hematology control made from particles a particle having a biopolymer attached to a surface of the particle. The particle simulates a component of a blood...
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7195920 |
Collection systems for cytometer sorting of sperm
Improved flow cytometer system particularly adapted to use for sex-selected sperm sorting include enhanced sheath fluid and other strategies which minimize stress on the sperm cells, including a...
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7176031 |
Reference control for optical measurement of nucleated red blood cells of a blood sample
Reference control compositions and the method of use are disclosed for measurement of nucleated red blood cells, which includes one set of synthetic spherical particles having a mean particle...
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7160723 |
Cell separation compositions and methods
The invention provides compositions and methods for cell separation. These reagents and techniques specifically agglutinate cells via surface antigen recognition and can be used to recover even...
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7135341 |
Reference control containing a nucleated red blood cell component
A method of making a reference control containing a nucleated red blood cell component includes providing a blood cell containing a nucleus; treating the blood cell with a treatment solution to...
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7109036 |
Hematology reference control containing an immature granulocyte component
A hematology reference control containing an immature granulocyte component and the method of making are disclosed. The reference control includes an immature granulocyte component made of...
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7060203 |
Electrolyte solution for particle measuring apparatus, and particle measuring method using same
An electrolyte solution for a particle measuring apparatus which comprises an inorganic salt, such as sodium chloride or calcium chloride, dissolved in an organic solvent. A substance that promotes...
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7026110 |
Reagent for determination of leucocytes and measurement of haemoglobin in a sample of blood
The invention concerns a reagent for determination of leucocytes and measurement of haemoglobin in a sample of blood. This reagent comprises a buffer system that is suited to adjust selectively the...
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6984526 |
Spectrophotometric method for determining the viability of a sample containing platelets
A method and apparatus for characterizing the type of a blood sample and a variety of blood components are provided wherein a transmission spectrum of the sample is collected over a predetermined...
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6979570 |
Particle analyzer and particle analyzing method
A particle analyzer includes a detecting section for detecting respective characteristic parameters of a plurality of particles, a distribution map preparing section for preparing at least two...
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6962789 |
Method for quantitating a protein by image analysis
The present invention provides a method for determining expression levels of one or a multiplicity of target proteins in a tissue or cell sample.
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6951716 |
Anti-platelet immunoglobulin bead positive control
Immunoassay methods and apparatus are provided which utilize flow cytometry, coated latex microspheres, and fluorochrome labeled antibodies, to simultaneously detect the presence and amount of one...
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6933106 |
Platelet immunoglobulin bead suspension and flow cytometry
Immunoassay methods and apparatus are provided which utilize flow cytometry, coated latex microspheres, and fluorochrome labeled antibodies, to simultaneously detect the presence and amount of one...
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6916658 |
Method for measurement of immature granulocytes
A method for measuring immature granulocytes in a blood sample is described. The method includes the steps of lysing red blood cells of a blood sample with a lytic reagent, analyzing the sample...
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6900023 |
Method for classifying and counting leukocytes
A method for classifying and counting leukocytes comprises the steps of: (1) adding to a hematological sample the following fluorescence-labeled antibodies labeled with fluorescent dyes which emit...
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6869798 |
Lytic reagent composition for leukocyte differential analysis
A lytic reagent composition and the method of use for differential analysis of leukocytes using flow cytometry are disclosed. The lytic reagent composition includes a short chain alkyl oxyethanol,...
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6869569 |
Apparatus for differentiating blood cells using back-scatter
Blood cells of interest are readily distinguishable from other blood cells and look-a-like particles found in a blood sample by their back-scatter signature. A preferred method for differentiating...
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6830931 |
Method and apparatus for monitoring of proteins and cells
An apparatus for monitoring proteins and cells. The apparatus includes a plate having wells in which cells are disposed. The apparatus includes means for analyzing the effect or proteins and other...
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6762055 |
Method for preparation of hematology blood control
The present invention provides a method for preparing cells for use in a hematology blood control. The preparation steps, namely the use of cross-linking agents such as aldehydes, involve a...
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6761856 |
Apparatus for determining platelet inhibitor response
An apparatus is provided for performing an activated clotting time test on a sample of blood containing platelets, the apparatus comprising a plurality of test cells, said cells being adapted for...
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6759246 |
Hematology control composition including lymphocyte analogs and method for preparation and use
A control composition, and method of preparing a control composition, that includes stabilized, mammalian granulocytes having altered physical properties so that the granulocytes function as a...
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6750060 |
Sheath liquid for particle analyzer
A sheath liquid for use with a particle analyzer has a refractive index of 1.3340 or more at the wavelength of sodium D line at 25° C.
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6750063 |
Method for measuring concentration of solution and apparatus for measuring concentration of solution
An object of the present invention is provide a means capable of enlarging the measurable concentration range of a specific component in a solution to be detected, and further measuring a precise...
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6743634 |
Method and apparatus for differentiating blood cells using back-scatter
Blood cells of interest are readily distinguishable from other blood cells and look-a-like particles found in a blood sample by their back-scatter signature. A preferred method for differentiating...
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6740527 |
Methods and reagents for cyanide-free determination of hemoglobin and leukocytes in whole blood
Cyanide-free reagents for the determination of hemoglobin and leukocytes present in a blood sample comprise an aqueous solutions of at least one quaternary ammonium salt, preferably selected from...
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6723563 |
Hematology reference control
An improved control for a hematology analyzer. In one embodiment, blood cells are treated for permitting the cells to simulate nucleated red blood cells for detection or analysis by the hematology...
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6716633 |
Blood cell detector, blood analyzer and blood analyzing method using the detector
A blood cell detector includes an orifice section having a single orifice, a first supplying section for supplying a first blood specimen into the orifice section, a second supplying section for...
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6709868 |
Method and apparatus for measuring white blood cell count
A method for quantitatively measuring white blood cell count involves capture of white blood cells from a fluid sample by a retainer, removal of the red blood cells and other interfering substances...
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6706526 |
Low formaldehyde producing blood diluent
A low formaldehyde containing aqueous blood diluent contains an effective amount of ethylenediamine tetraacetic acid, ethylenediamine tetraacetic acid derivative, or combinations thereof; an...
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6673618 |
Method for measurement of nucleated red blood cells
A method for differentiating and enumerating nucleated red blood cells in a blood sample is described. The method includes the steps of lysing red blood cells of a blood sample with a lytic...
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6670191 |
Method for quantitatively analyzing fragmented red blood cells
A method for quantitatively analyzing fragmented red blood cells includes the steps of: preparing a two-dimensional particle distribution diagram on the basis of a scattered light intensity and...
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6667177 |
Method for counting leukocytes and apparatus for counting leukocytes
A leukocyte accumulation container having an opening, a sidewall portion and a bottom portion, part or all of the sidewall portion having a horizontal section area gradually increasing in a...
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6664110 |
Erythroblast diagnostic flow-cytometry method and reagents
Reagents and a method for simple and rapid discrimination and counting of erythroblasts in peripheral blood or circulatory system-related samples accurately with high precision is disclosed. The...
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6660528 |
Method for monitoring contaminating particles in a chamber
A method for determining the number of contaminating particles in a process chamber is described. While the method is particularly suited for detecting particles in a metal etch chamber, the...
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6632676 |
Multi-purpose reagent system and method for enumeration of red blood cells, white blood cells and thrombocytes and differential determination of white blood cells
A novel reagent system for use with automated and semi-automated hematology analyzers including an essentially isotonic blood diluting reagent, a blood cell lysing and hemoglobin conversion...
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6613535 |
HLA-B27 assay
This invention relates to a method for establishing and using a decision marker by which positive samples can be discriminated from negative samples. The method employs the analysis of multiple...
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6604435 |
Low acceleration method of flow cytometry
An improved nozzle system for a flow cytometer and accompanying methods have been invented for a high efficiency orientation and sorting process of a flat sample and dedicates items such as equine...
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6597438 |
Portable flow cytometry
A portable or wearable cytometer that can be used at remote locations, such as in the field or at home. The flow cytometer of the present invention may help improve the healthcare of many weak,...
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6579672 |
Specimen collection fluid
A sterile aqueous specimen collection fluid containing a buffer, an aliphatic aldehyde at a concentration of 0.15M to 3.4M, and one or more heavy metal salts at a concentration of 0.2×10 −3 M to...
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RE38131 |
Reagent for measurement of leukocytes and hemoglobin concentration in blood
A reagent for measurement of leukocytes and hemoglobin concentration in the blood includes a cationic surfactant in an amount sufficient to lyse erythrocytes and denature hemoglobin, at least one...
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6573102 |
Lytic reagent composition for determination of nucleated blood cells
A lytic reagent composition for measuring nucleated blood cells in a blood sample is described. The lytic reagent composition contains a quaternary ammonium surfactant, an ethoxylated phenol, and...
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6569682 |
Hematology control product with increased closed vial stability
An improved blood suspension media for hematological compositions, having particular utility with a red blood cell component for devices using electronic and optical means for blood determinations,...
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6555065 |
Automatic hematologic counting and analysing device
A compact apparatus for automatically analyzing a blood sample having a pumping assembly, a dilution assembly and a measuring assembly. The pumping assembly includes pumps for air, lysis and...
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6555066 |
Apparatus for performing a platelet inhibition test
An apparatus for performing a platelet inhibition test on a sample of blood is provided, comprising a plurality of test cells, the cells being adapted for receiving an aliquot portion of the...
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6555381 |
Method for determining a contact activator for platelet activation
A method of determining a contact activator for platelet activation and/or clotting activation is provided, comprising placing a predetermined amount of an anticoagulant in each cell of a multicell...
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6555064 |
Method for determining platelet inhibitor response
An apparatus is provided for performing an activated clotting time test on a sample of blood containing platelets using a plunger sensor technique, the apparatus comprising a test cell, and wherein...
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6555387 |
Method for producing thin liquid samples for microscopic analysis
The present invention relates to the field of diagnostics by means of microscopic sample analysis, and specifically relates to a method and apparatus for preparing thin microscopic samples of...
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6551831 |
Dyes and methods of detection of nucleic acid in immature red blood cells
The dyes of the present invention are useful for many purposes that include markers or tags for detecting the presence of a molecule or compound to which they are bound. The dyes may be either...
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