Matches 401 - 450 out of 549 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
4648863 Apparatus for the pure preparation of particles, biological cell systems and colloids  
A process for the pure preparation of particles, biological cell systems, colloids and the like, in which liquid density gradients are produced in a rotating centrifuge container (1), and in which...
4640896 Whole blood clotting timer  
A method and device for determining the clotting time for a sample of whole blood. A sample of whole blood is placed in a cuvette (12) which is centrifuged in a centrifuge (11) to mix the blood...
4636361 Device for separating liquid fractions  
The invention relates to a device and process for separating selected fractions of liquids, preferably the fractions arising in density gradient centrifugation. Said device is characterized by a...
4624835 Microcentrifugation tube for the concentration of samples for electron microscopy  
A microcentrifugation tube for the preparation of a sample for examination under an electron microscope is disclosed. The tube has a bore extending from the top of the tube to the base of the tube....
4623519 Cell for analysis device, to collect a fraction of a liquid sample for reaction and analysis  
The present invention relates to a fractionating and observation cel of a liquid analysis device comprising a rotor, a central distribution cup or container for said liquid, and an assembly of...
4612873 Centrifuge chamber for cytodiagnostic investigation of epithelial cells contained in a sample  
A centrifuge chamber for cytodiagnostic investigation of epithelial cells contained in a sample, wherein a cell suspension investigated is placed in a first bore of a sample chamber containing a...
4604362 Gas-liquid reactor and a method for reacting liquids and gases  
A gas-liquid reactor comprising an outside containment vessel and an inside reaction vessel rotatably supported within the outside containment vessel. A liquid is conducted into the inside reaction...
4595563 Apparatus for sample transfer and analysis by centrifugation  
Apparatus for sample transfer and analysis by centrifugation, comprising a rotor having rotary joints at its periphery, to which cuvette carriers are connected so as to be able to perform a tipping...
4591486 Device sedimentation of a sample liquid and a sample examination system  
The method for sedimentation of part of a sample liquid on a slide by centrifuging a sample tube containing the sample liquid consists in the fact that the separation of the sample liquid into a...
4588555 Device for use in chemical reactions and analyses  
A device and method of making and using the same in performing manual and automated chemical reactions and analyses of clinical assay mediums. Such device including a solid, microporous element...
4576796 Centrifugal tissue processor  
Tissue samples are prepared for embedding and then embedded within wells of an intermittently rotatable rotor. After each successive liquid is supplied to the sample wells, the rotor is spun in...
4566790 Cuvette array  
An improved cuvette array for a centrifugal analyzer is disclosed. The array is conventionally formed from upper and lower discs of flexible thermoplastic material, in which the lower disc is...
4560647 Antibody/antigen determination method  
A method for the determination of antigens or antibodies in a fluid by incubation of particles, which have antigens on the surface, and antibodies, whereby either the antigens or the antibodies are...
4519981 Apparatus for bringing a liquid sample successively into contact with a number of reagents  
In a device for bringing a liquid sample successively into contact with a number of reagents, contact with the reagents is effected in a series of cells. These cells communicate with one another...
4515889 Method for carrying out analytical determinations  
The present invention provides a process for carrying out analytical determinations by mixing and incubating a sample solution with at least one reagent and optically measuring a parameter in the...
4512202 Pregrooved centrifuge tubes  
A thick walled centrifuge tube with a generally constant internal diameter and having at least one circumferential groove within the exterior surface of the tube. The groove is designed to have a...
4509856 Rotor for centrifugal fast analyzers  
The invention is an improved photometric analyzer of the rotary cuvette type, the analyzer incorporating a multicuvette rotor of novel design. The rotor (a) is leaktight, (b) permits operation in...
4482636 Method for reacting solid and liquid phases  
A method of reacting a first reactive substance bonded to the inner wall surface of a reaction vessel and a second reactive substance in a liquid phase in the vessel by rotating the reaction vessel...
4479720 Apparatus for rotating reaction vessels in inclined posture  
An apparatus for rotating reaction vessels in an inclined posture, comprising a plate, means for rotatably supporting the plate, means for rotating the plate at a predetermined speed, a plurality...
4470954 Rotor or carrier for centrifugal analyzer and bead washer  
A bead holder comprising a disc-like member having a central opening and having on its top surface a plurality of wells each adapted to receive a spherical bead is disclosed. The wells are defined...
4469793 Method and apparatus for dispensing a predetermined dose of a sample liquid into a receptor cell  
A rotor (1) for performing a chemical reaction such as biological analysis with a sample liquid comprises: a rotatable container (2) having a vertical axis of rotation; a radially inner basin...
4463097 Method and device for bringing a liquid sample successively into contact with a number of reagents  
In a method and device for bringing a liquid sample successively into contact with a number of reagents, contact with the reagents is effected in a series of cells. These cells communicate with one...
4462964 Conditioning device for preparing multiple analyses  
The conditioning device has a receptacle (5) which communicates with n calibrated analysis cells (10 to 19) in which the analysis reagents are placed the liquid to be analyzed being conveyed from...
4452902 Method and equipment for the measurement of properties of a liquid  
Method and apparatus for the measurement of properties of a liquid present in a vessel (2), for example for the measurement of the absorbance of a liquid, of the properties of an agglutination,...
4436820 Method and apparatus for glycosylated hemoglobin separating and measuring fractions  
Method and apparatus for separating and measuring the amount of the glycosylated hemoglobin fractions in a blood sample. The method and apparatus provide a means for lysing sample red blood cells...
4412973 Autonomous simultaneous analysis apparatus and a method of using it  
Analysis apparatus which uses a solid reaction support designed to hold successively a quantity of a compound such as a biological liquid which contains a substance to be analyzed, and then a...
4390499 Chemical analysis system including a test package and rotor combination  
Apparatus for carrying out in situ chemical analysis of biological fluids is disclosed. A test package adapted for use with spinning rotor includes a sample-compartment, an integral cuvette and...
4389374 Centrifuge tube holder  
A centrifuge tube holder capable of being manually assembled and disassembled without separate tooling to provide not only ease of cleaning, but also interchangeability of parts to accommodate...
4387992 Rotatable cuvette array  
A cuvette array comprised of a boat-carrying planar disk with a plurality of boat members affixed to the disk in an annular array on one side of the disk, each boat member having a reagent supply...
4387164 Method and apparatus for chemical analysis using reactive reagents dispersed in soluble film  
Automated chemical analytical method and device in which a precise measured quantity of reagent is combined with an assay medium. Prior to such delivery, the reagent, being water-soluble or...
4381072 Method and device for separately collecting components of a liquid by means of a centrifugal rotor  
Method and device for centrifugal separation of components of a liquid in which the liquid components are separated under the action of centrifugal force and then separately collected under the...
4379849 Method and means for the examination of uncoagulated blood  
A method to facilitate the analysis of uncoagulated blood, for example freshly drawn blood or heparin blood, wherein the blood is filled into a test tube of plastic and a porous, elastic body in...
4373931 Method of measuring agglutinating reaction and a reaction vessel therefor  
Method for measuring agglutinating reaction by checking an agglutinates pattern caused by immunological agglutinating reaction while using a reaction vessel having at least one smooth recess formed...
4373812 Cuvette assembly  
An improved analytical cuvette assembly includes structure defining a first chamber region that has a loading port through which a first reaction component is introduced for storage, structure...
4364903 Contamination-free separation device  
An arrangement of separation device is provided such that after centrifugation, for example, the heavy materials at the bottom of the separation container may be directly removed from the bottom...
4360360 Centrifugal analyzer  
A centrifugal analyzer and method for performing chemical reaction measurements. A cuvette ring (60) is positioned on a rotor (36) encircling a shaft (40). A carrier member (62) defining a central...
4350283 Centrifugal elutriator rotor  
The present invention provides a centrifuge rotor adapted for continuous separation of specific particles from mixed populations thereof by a process of centrifugal elutriation. In the rotor,...
4344768 Automatic pipettor  
Pipettor apparatus for automatically and rapidly transferring accurate and precise multiple quantities of samples (e.g., blood serum) and reagent to the rotatable transfer disc of a centrifugal...
4324557 Method and apparatus for degassing and analysis of foaming liquids  
By using centrifugal force, foaming liquids are degassed and the amount of certain liquid components determined by analyzing exiting gas. Liquid fed to a rapidly rotating beaker is spread as a thin...
4323364 Method of and apparatus for examining substances and mixtures of substances  
A method of and apparatus for examining substances by subjecting them to a gravitational field while measuring the electrical effect derived from any resulting charge orientation. A centrifuge is...
4316872 Ring of cells for analytical devices  
A ring of cells for analytical devices operating on the centrifugal principle and photometrically measuring a sample for analysis, the system comprising a number of individual cells disposed in a...
4314968 Simultaneous analysis apparatus  
Analysis apparatus which uses a solid reaction support designed to hold successively a quantity of first reagent such as a biological liquid which contains the substance to be analysed, and then a...
4309384 Chemical analysis cuvette  
In a photometric solution analyzer of the rotary type wherein a carousel includes a multiplicity of improved cuvettes, the carousel being journaled on a shaft driven by a motor, the analyzer...
4297104 Method of detecting or identifying virus antigens, erythrocyte or cell antigens or antibodies in a biological medium  
A method for detecting or identifying virus antigens or erythrocyte or cell antigens or antibodies in a biological medium. The reaction of analysis is conducted in a vessel the wall of which has a...
4290550 Modular supporting cap and spacer for centrifuge tubes  
A modular spacer concept is disclosed for use in centrifuge bores. The arrangement is such that various sizes of tubes are available to allow for different amounts of fluid which may be inserted...
4284602 Integrated fluid manipulator  
A rotatable element for use in centrifugal chemical-medical analysis apparatus wherein inlet means is provided in the element near the center of rotation thereof and an outlet is provided near the...
4279862 Centrifugal photometric analyzer  
A centrifugal analyzer which includes a rotating disc having a pair of wells, one for the reagent and another of the sample, which are connected to a measuring chamber by a transfer channel which...
4274885 Method for washing centrifugal analyzer test disks  
A washing device for a centrifugal analyzer testing disk having a multiplicity of test cells each of which has a specimen and a reactant receiving hole communicating with the cell. The washing...
4270921 Microchromatographic device and method for rapid determination of a desired substance  
A combination of a microcolumn packed with a suitable absorbent material and a centrifuge tube. A predetermined volume of an eluent being capable of selectively eluting a desired substance through...
4256696 Cuvette rotor assembly  
The cuvette rotor assembly is adapted for use in a multistation photometric analyzer of the type wherein several chemical reactions are sequentially monitored over a predetermined time span. Such...
Matches 401 - 450 out of 549 < 1 2 3 4 5 6 7 8 9 10 11 >