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6913932 |
Formaldehyde-ammonium salt complexes for the stabilization of blood cells
A stabilization reagent composition, particularly desirable for stabilizing blood samples containing platelets, contains reactants that generate multiple species of formaldehyde-ammonium complexes;...
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6911313 |
Process for discriminating and counting erythroblasts
A method for discriminating and counting erythroblasts comprises the steps of: (i) staining leukocytes in a hematologic sample by adding a fluorescent labeled antibody capable of binding...
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6905886 |
Preservative solutions
This invention relates to preservative solutions for peptides, for example, parathyroid hormone, insulin-like growth factor binding protein 3 (IGFBP3), adrenocorticotropic hormone (ACTH) and...
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6900058 |
Control solution for photometric analysis
An aqueous control solution is disclosed for use with a spectrophotometer or photometric test strip that includes a predetermined amount of an analyte, a hydrophobic reference dye and a surfactant....
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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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6846678 |
Gamma sterilized buffer solutions for pH measurement
The present invention provides storage stable, aseptic buffer solutions suitable for gamma sterilization. The buffer solutions include benzethonium chloride as a biocide, and avoid the...
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6821779 |
Methods for storing neural cells
The instant methods pertain to improved methods for storing neural cells, preferably dissociated neural cells, prior to their use in transplantation and to the cells obtained using such methods....
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6821789 |
Method and device for collecting and stabilizing a biological sample
A collection container and method for collecting a predetermined volume of a biological sample, and particularly a whole blood sample, includes at least one gene induction blocking agent in an...
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6812032 |
Apparatus and method for making a plurality of reagent mixtures and analyzing particle distributions of the reagent mixtures
An apparatus is provided for hematology testing, which has a sensing unit defining a counting orifice for the flow of a blood sample through the counting orifice to analyze the blood sample, and a...
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6790603 |
Compositions for the storage of platelets
Blood platelets stored in an isotonic, balanced salt solution under standard storage conditions retain function after ten days of storage when micormolar or nanomolar amounts of pentose are added...
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6764482 |
Dual-filled twin bag, a package and a method for forming a package for administering a solution
A dual-filled twin bag, a packaging including the twin bag, and a method for forming the packaged twin bags are provided. Each of two bags, a solution bag ( 10 ) and a drain bag ( 12 ) for a system...
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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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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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6723497 |
Therapeutic platelets and methods
A dehydrated composition is provided that includes freeze-dried platelets. The platelets are loaded with trehalose which preserves biological properties during freeze-drying and rehydration. The...
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6716392 |
Preservation of liquid biological samples
The present invention relates to the preservation of a liquid biological sample. The biological sample is exposed to a preservative containing at least about 0.15 g of sodium benzoate and at least...
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6713245 |
Methods for storing neural cells such that they are suitable for transplantation
The instant methods pertain to an improved methods for storing neural cells, preferably dissociated neural cells, prior to their use in transplantation and to the cells obtained using such methods....
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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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6699718 |
Method, reagent and test cartridge for determining clotting time
The invention is a method, reagent and test cartridge for the determination of the clotting time of a blood sample by means of a reagent containing tissue factor and a sulfatide. In an alternative...
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6682931 |
Recovering cryopreserved conifer embryogenic cultures
This invention relates to a method for improving the growth and regeneration potential of embryogenic cell and tissue cultures of coniferous plants retrieved from cryopreservation. In particular,...
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6673607 |
Microinjection of cryoprotectants for preservation of cells
A preservation method for biological material having cell membranes includes microinjecting the cells with sugar; preparing the cells for storage; storing the biological material; and recovering...
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6641992 |
Aqueous solution for preserving tissues and organs
An aqueous solution for preserving tissues and organs and methods of use for the same are disclosed.
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6635485 |
Stabilization of calibrators containing cytokeratin
The invention concerns calibrators or calibration solutions which are based on a human serum matrix and which are used in a method for detecting cytokeratin, a process for producing them, a method...
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6632677 |
Air shutoff agent for aqueous reagent and aqueous specimen, and method for storing aqueous reagent and aqueous specimen with stability
An air-barrier agent for an aqueous reagent or an aqueous specimen having as an effective component a mixture of a chain hydrocarbon and a silicone oil immiscible with the aqueous reagent as well...
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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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6623982 |
Increased separation efficiency via controlled aggregation of magnetic nanoparticles
Compositions and methods are disclosed which enhance the microscopic observation and analysis of biological entities such as cells, bacteria and viruses by eliminating interfering magnetic clusters...
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6582574 |
pK-matched running buffers for gel electrophoresis
pK-matched buffers, each containing two effective buffering components: one weak base and one weak acid which have similar pK a at 25° C. (within 0.3 pK units On agarose gels, the buffers in...
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6579723 |
Method of recovering highly purified vWF or factor VIII/vWF-complex
A method for purifying factor VIII/vWF complex or free vWF by immunoaffinity chromatography in a form suitable for use as a medicament. Factor VIII/vWF complex or free vWF is recovered from an...
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6579688 |
Stabilizing diluent for polypeptides and antigens
Compositions for stabilizing polypeptides or antigens are described. These compositions are useful for stabilizing polypeptides or antigens stored in aqueous formulations. Such formulations can be...
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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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6569615 |
Composition and methods for tissue preservation
The present invention provides for compositions and methods for the preservation of tissues and organs ex vivo and in situ. In addition, the present invention provides for kits that may be used in...
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6562630 |
Method for preparation and use of preservative-free immunoassay reagents
A method is provided for preparing preservative-free allergen test solutions in a prepared sterile environment. A sterile environment is prepared by utilizing a disinfectant wipe and a sterile...
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6537745 |
Buffers for stabilizing antigens
The present invention is directed to an antigen diluent or buffer for antigens, in particular HCV recombinant antigens, comprising a reducing agent. The antigen diluent or buffer serves as a...
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6534016 |
Additive preparation and method of use thereof
The present invention is an additive preparation which contains an additive, an organic acid, a metal carbonate compound, and a surfactant agent which is capable of rendering the surface of a...
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6531317 |
Cytological and histological fixature composition and methods of use
The present invention is directed to a fixative composition, the use of the fixative composition in preparing cytological or histological specimens, and a method of preparing particulate matter,...
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6524858 |
Single channel, single dilution detection method for the identification and quantification of blood cells and platelets in a whole blood sample using an automated hematology analyzer
The invention provides a new single channel, single dilution method and system for identifying, analyzing and quantifying the cellular components of whole blood using a single channel, rather than...
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6524860 |
Methods for improving sheath fluids and collection systems for sex-specific 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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6521460 |
Method of carrying out blood tests
The present invention relates to a method of carrying out blood tests. The invention is based on the finding that clinico-chemical blood parameters can be determined using not only blood serum but...
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6509192 |
Quality control method
A method of quality control to diagnose the cause of a malfunction of an instrument. The method uses measurements of the physical property of a sample to diagnose the cause of a malfunction of an...
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6503724 |
Fibrinopeptides in saliva as indicator of blood coagulation status
A non invasive method for determining the blood coagulation status of a human or an animal is described. F1+2, F1, F2, FpA, D-dimers, F1+2 combined with F1, or F1+2 combined with F2 are measured in...
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6495367 |
Method of accelerating blood coagulation using an antimicrobial metal
A blood component deposition-preventing agent and a blood coagulation accelerator are provided, which are substantially indifferent to blood coagulation activity and serum chemistry parameters....
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6482648 |
Stable troponin preparation and the use thereof as a calibrator/control in immunoassays
The present invention relates to methods for the production of a stable troponin preparation and its use as a calibrator and/or control in immunoassays. The formulation is prepared from mammalian,...
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6475801 |
Anticoagulant and hemanalysis method
An anticoagulant for blood cell counting containing at least two kinds of the following antiplatelet agents: theophyllines, adenosines and dipyridamoles. The anticoagulant also contains citric...
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6468732 |
METHOD AND LONG-TERM STABLE BICARBONATE-CONTAINING DILUENT COMPOSITION, AND STORAGE MEANS THEREFOR, FOR REDUCING OR REVERSING AERATION INDUCED CELL SHRINKAGE AND STORAGE INDUCED CELL SWELLING OF A WHOLE BLOOD SAMPLE
The invention provides a bicarbonate-containing, crosslinker-free reagent composition which reverses and/or reduces sample handling effects, such as aeration-induced shrinkage and storage-induced...
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6440747 |
Stabilization of biological fluids by addition of sterol esters
The present invention relates to the use of sterol esters for the long-term stabilization of biological fluids, in particular even those which are obtained by lyophilization and subsequent...
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6423348 |
Anticoagulant compositions
What is shown is an animal blood anticoagulant compound useful in the meat packing industry generally, and in slaughterhouse operations, particularly. The anticoagulant is effective when diluted...
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6420168 |
Histamine measuring apparatus and a histamine measuring method
Histamine may be quantitatively measured by performing the following steps. First, an oocyte that expresses histamine receptors is held in a recess formed at the bottom of a vessel. Then, first and...
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6406915 |
Hematology control and system for multi-parameter hematology measurements
Hematology control compositions and systems used to measure a plurality of parameters in a blood sample are provided. The hematology control compositions are particularly useful as a control for...
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