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Chemistry: analytical and immunological testing

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Class / Patent application numberDescriptionNumber of patent applications / Date published
436501000 BIOSPECIFIC LIGAND BINDING ASSAY 911
436164000 OPTICAL RESULT 364
436091000 HETEROCYCLIC CARBON COMPOUND (I.E., O, S, N, SE, TE, AS ONLY RING HETERO ATOM) 294
436086000 PEPTIDE, PROTEIN OR AMINO ACID 286
436518000 INVOLVING AN INSOLUBLE CARRIER FOR IMMOBILIZING IMMUNOCHEMICALS 267
436174000 INCLUDING SAMPLE PREPARATION 218
436043000 AUTOMATED CHEMICAL ANALYSIS 134
436073000 METAL OR METAL CONTAINING 118
436127000 OXYGEN CONTAINING 93
436106000 NITROGEN CONTAINING 87
436149000 MEASUREMENT OF ELECTRICAL OR MAGNETIC PROPERTY OR THERMAL CONDUCTIVITY 78
436008000 COMPOSITION FOR STANDARDIZATION, CALIBRATION, SIMULATION, STABILIZATION, PREPARATION OR PRESERVATION; PROCESSES OF USE IN PREPARATION FOR CHEMICAL TESTING 76
436071000 LIPIDS, TRIGLYCERIDES, CHOLESTEROL, OR LIPOPROTEINS 51
436063000 BIOLOGICAL CELLULAR MATERIAL TESTED 43
436002000 PROCESS OR COMPOSITION FOR DETERMINATION OF PHYSICAL STATE OR PROPERTY BY MEANS INCLUDING A CHEMICAL REACTION 38
436163000 INCLUDING TITRATION OR PH DETERMINATION 38
436173000 NUCLEAR MAGNETIC RESONANCE, ELECTRON SPIN RESONANCE OR OTHER SPIN EFFECTS OR MASS SPECTROMETRY 35
436161000 INCLUDING CHROMATOGRAPHY 30
436536000 INVOLVING IMMUNE COMPLEX FORMED IN LIQUID PHASE 27
436119000 SULFUR CONTAINING 26
436020000 FOOD OR DAIRY PRODUCTS 25
436066000 HEMOGLOBIN, MYOGLOBIN, OR OCCULT BLOOD 25
436056000 TRACERS OR TAGS 23
436514000 INVOLVING DIFFUSION OR MIGRATION OF ANTIGEN OR ANTIBODY 21
436025000 GEOCHEMICAL, GEOLOGICAL, OR GEOTHERMAL EXPLORATION 19
436103000 PHOSPHORUS CONTAINING 19
436085000 SYNTHETIC OR NATURAL RESIN 19
436139000 HYDROCARBON 18
436064000 CANCER 17
436057000 INCLUDING USE OF RADIOACTIVE PROPERTIES 17
436124000 HALOGEN CONTAINING 16
436147000 MEASUREMENT INCLUDES TEMPERATURE CHANGE OF THE MATERIAL BEING ANALYZED (E.G., CALORIMETRY, ETC.) 15
436055000 CONDITION RESPONSIVE CONTROL 15
436069000 CLOTTING OR CLOTTING FACTOR LEVEL TESTS 15
436034000 RATE OF REACTION DETERMINATION 14
436060000 LUBRICANT, GREASE, MINERAL OIL, HYDROCARBON OIL PRODUCT, OR FATS OR LIPIDS FOR OXIDATION (E.G., BREAKDOWN PRODUCTS OR CONTAMINATION, ETC.) 11
436155000 PYROLYSIS, COMBUSTION, OR ELEVATED TEMPERATURE CONVERSION 11
436145000 CARBON CONTAINING 10
436500000 THYROID HORMONE TESTS (E.G., T3, T4, TBG, TSH, ETC.) 10
436100000 INORGANIC ACID OR BASE (E.G., HCL, SULFURIC ACID, ETC.) 10
436001000 PROCESS OR COMPOSITION FOR STERILITY OR PACKAGE INTEGRITY TEST 9
436039000 DETERMINATION OF WATER 9
436037000 TESTING OF CATALYST 8
436506000 FOR PREEXISTING IMMUNE COMPLEX OR AUTO-IMMUNE DISEASE 7
436144000 HYDROGEN, PER SE 7
436543000 INVOLVING PRODUCING OR TREATING ANTIGEN OR HAPTEN 5
20100190271METHODS USING NOVEL CHEMILUMINESCENT LABELS - Methods using chemiluminescent label compounds and chemiluminescent labeled conjugates are provided. The compounds comprise an acridan ring bearing an exocyclic ketene dithioacetal group and further contain a labeling substituent which permits attachment to compounds of interest. The novel chemiluminescent compounds and labeled conjugates are convenient to prepare, are highly stable, and generate chemiluminescence rapidly on demand. The compounds and conjugates are useful in assays of an analyte in a sample and in assays employing labeled specific binding pairs.07-29-2010
20080227222Method for the detection of target molecules by fluorescence polarization using peptide mimics - The inventive subject matter relates to a method of measuring non-protein hydrophobic and protein target antigens by competitive fluorescence polarization using peptide mimics as competitors. The peptide mimics used in the inventive method contain conformational epitopes not represented in the linear sequence. The method can be used in the detection of a wide range of agents including steroids, hormones, nucleic acids, proteins and infectious organisms. A method for the detection of cortisol and gamma-interferon is also contemplated in the method. Samples suitable for analysis by the inventive method include environmental samples and bodily fluids including serum and oral fluids including saliva.09-18-2008
20090291509Sensing method - To enable successive measurement of samples by using one piezoelectric sensor. An adsorption layer provided in a piezoelectric sensor is an adsorption layer in which protein and an immunoglobulin are stacked in this order from the bottom. The immunoglobulin has a property of separating from protein when coming into contact with an acid liquid, and therefore, when the immunoglobulin as the adsorption layer is brought into contact with the acid liquid after capturing a substance to be sensed, the immunoglobulin is separated from the protein. Then, the adsorption layer is again formed by the supply of a new immunoglobulin, which enables the successive measurement of samples.11-26-2009
20080213922Method And System For Identification Of Antigen - There is provided a method for the identification of antigens recognized by a given antibody. In particular the method provides for characterization of the epitope recognized by the antibody and for purification based on the physico-chemical properties of the antigen. The characterization facilitates subsequent analysis of the antigen for identification purposes.09-04-2008
20120149132ANALYZER AND ANALYZING METHOD - The present invention is to present an analyzing method for analyzing a target substance contained in a sample using a reagent containing magnetic particles. The method comprises steps of: (a) magnetically capturing magnetic particles in a container with a first magnetic force generating member arranged on a lower side of the container accommodating a liquid specimen containing the magnetic particles; (b) transferring the container to a target substance separating section after the step (a); and (c) in the target substance separating section, discharging a cleaning liquid into the container and aspirating a liquid in the container while magnetically capturing the magnetic particles in the container with a second magnetic force generating member.06-14-2012
436072000 SILICON CONTAINING 4
20100273266TARGET BIOMATERIAL DETECTING KIT AND METHOD OF DETECTING TARGET BIOMATERIAL - Provided are a target biomaterial detecting kit and a method of detecting the target biomaterial. The target biomaterial detecting kit includes a guided mode resonance filter comprising a substrate transmitting or reflecting light, a grating layer formed on the substrate, and a capture layer formed on the grating layer to capture a target biomaterial; and a nano complex comprising a nanoparticle head and a connection tail. Therefore, the wavelength peak of a reflection/transmission spectrum of light coming from the guided mode resonance filter can be largely shifted, and thus the presence and quantity of a target biomaterial can be easily detected. Moreover, although the amount of the target biomaterial is small, the target biomaterial can be reliably detected.10-28-2010
20090130767ORGANOSILANES AND SUBSTRATES COVALENTLY BONDED WITH SAME AND METHODS FOR SYNTHESIS AND USE - The present invention provides novel silicon compounds, methods for making these novel silicon compounds, compositions comprising these novel silicon compounds attached to substrates, methods for attaching the novel silicon compounds to substrates and methods for using the compositions in a variety of chromatographic applications.05-21-2009
20120164738DETECTION OF SMALL LIGANDS WITH METMYOGLOBIN - The invention relates to methods and compositions for the rapid detection of small ligands, such as cyanide, carbon monoxide or azide, in small quantities. Specifically, metmyoglobin is used to bind small ligands which yield a product with a characteristic absorbance spectrum that is detectable and quantifiable. Also disclosed is a kit for detecting small ligands with metmyoglobin, which is portable and provides for practice of the invention without the use of harsh solvents or chemical reagents.06-28-2012
20100041157Analysis apparatus and analysis method of chlorosilanes - The problem to be solved is to provide an analysis apparatus and analysis method of chlorosilanes capable of stably carrying out an analysis with less contamination. An analysis apparatus of chlorosilanes includes a vaporizer 02-18-2010
436547000 INVOLVING PRODUCTION OR TREATMENT OF ANTIBODY 4
20080311681Antibody Binding Affinity Ligands - The present application discloses a solid support material having covalently immobilized thereon an affinity ligand, said ligand comprising one or more hydrophobic functional group(s) and one or more cationic functional group(s) or one or more heteroaromatic functional group(s), wherein at least one hydrophobic functional group is separated from at least one cationic/heteroaromatic functional group by a through bond distance of from 5 Å to 20 Å, wherein said ligand has a molecular weight of from 120 Da to 5,000 Da. Typically, the affinity resin has a binding capacity larger than 5 mg monoclonal antibody per mL of affinity resin. A method for the isolation of biomolecules, such as proteins, in particular antibodies, such as monoclonal antibodies, or derivatives thereof, is also disclosed.12-18-2008
20090075398Method for Obtaining Antibodies - A method of obtaining at least one recombinant antibody with improved affinity for a selected antigen from a family of antibodies which bind the selected antigen comprising: a) obtaining a family of two or more antibodies which bind the same antigen in which the VH CDR3 amino acid sequence of each antibody in the family is the same length and greater than 60% identical at the amino acid level; b) re-pairing the VH region of an antibody obtained in step (a) with the VL region from a different antibody obtained in step (a) to produce a new recombinant antibody; and c) screening the recombinant antibody produced in step (b) and selecting said antibody if it has improved affinity for the selected antigen compared to any one of the antibodies obtained in step (a).03-19-2009
20120045851LABELS, THEIR PRODUCTION PROCESS AND THEIR USES - Labels are disclosed capable of forming a covalent or non-covalent bond with a target molecule, particularly a biological molecule. The structure of these labels may consist of a dye covalently bound by one or more carbons on its chemical structure to one or more [FUNC] group(s), and optionally one or more [SOL] group(s). The structure of these labels allow selection of dyes from a wide variety of different excitation and emission wavelengths and allow easy functionalization of the dye without appreciably altering its spectral characteristics or its solubility characteristics.02-23-2012
20080220540Method for purifying cancer-specific proliferating cell nuclear antigen - The method for developing an antibody that exclusively binds to csPCNA.09-11-2008
436517000 INVOLVING KINETIC MEASUREMENT OF ANTIGEN-ANTIBODY REACTION 4
20100221847Photonic crystal sensors with integrated fluid containment structure, sample handling devices incorporating same, and uses thereof for biomolecular interaction analysis - Photonic crystal (PC) sensors, and sensor arrays and sensing systems incorporating PC sensors are described which have integrated fluid containment and/or fluid handling structures. The PC sensors are further integrated into a sample handling device such as a microwell plate. Sensors and sensing systems of the present disclosure are capable of high throughput sensing of analytes in fluid samples, bulk refractive index detection, and label-free detection of a range of molecules, including biomolecules and therapeutic candidates. The present disclosure also provides a commercially attractive fabrication platform for making photonic crystal sensors and systems wherein an integrated fluid containment structure and a photonic crystal structure are fabricated in a single molding or imprinting processing step amendable to high throughput processing.09-02-2010
20090215200Measurement of binding rate of a binding substance and an analyte - A method of measuring the rate of binding of a binding substance and an analyte, for example in an assay such as an immunoassay, uses an initial step of performing ultrasonication sufficient to disrupt binding between the binding substance and the analyte. After cessation of the ultrasonication, measurements are taken to determine the rate of binding at cessation of said ultrasonication or at a predetermined time thereafter The ultrasonication results in knowledge of the precise time of the start of the binding reaction which provides a better rate measurement.08-27-2009
20090317922USE OF ADDITIVES TO LOWER THE RATE OF A BINDING REACTION - A method of lowering the rate of a specific binding reaction in an assay for the detection and/or measurement of an analyte of interest is provided herein. In particular, the method includes providing a fluorescent conjugate of the analyte; a component capable of specifically binding to the analyte and its fluorescent conjugate; and a sample, which includes or is suspected to include the analyte. The method also includes allowing the specific binding component to interact simultaneously or at different times with the fluorescent conjugate of the analyte and the analyte in the sample, thereby forming a detectable complex due to the reaction between the fluorescent conjugate of the analyte and its specific binding component, wherein the reaction is performed in the presence of non-physiological amounts of at least one additive. The method further includes monitoring for the rate of change of the concentration of the detectable complex as a function of the amount of analyte in the sample.12-24-2009
20130122608Method for Estimating Binding Kinetic Rate Constants by Using Fiber Optics Particle Plasmon Resonance (FOPPR) Sensor - A method for estimating binding kinetic rate constants by using a fiber optic particle plasmon resonance (FOPPR) sensor mainly employs the steps of: providing a FOPPR sensor instrument system, obtaining optical signal intensities at an initial time and steady state signal intensities of first and second regions in an intensity versus time graph separately, substituting the measured signal intensity values into a formula derived by using a pseudo-first order rate equation model. According to this method, no fluorophore labeling is required. In addition, this method measures a temporal signal intensity evolution under static conditions as the samples are quickly loaded. As a result, unlike the conventional device where the sample is continuously infused, the method is able to measure binding and decomposition rate constants whose upper limit is not limited by a sample flow rate.05-16-2013
436510000 IMMUNOCHEMICAL PREGNANCY DETERMINATION 4
20090305436DEVICE AND METHOD FOR DETECTION OF A PREGNANCY ASSOCIATED HORMONE - The invention provides a device (12-10-2009
20080274564PREGNANCY AND SEX IDENTIFICATION TEST BASED ON SALIVA OR OTHER BODILY FLUIDS - A method of testing an animal for pregnancy or identifying the sex of the animal comprising the steps of first, providing a first vessel containing a liquid and having a removable surface wherein said removable surface is at least partially coated with an antibody and then introducing a bodily fluid from the female animal into said first vessel so that said bodily fluid contacts the liquid and then manipulating the first vessel so that the liquid contacts the antibody. Then, a second vessel containing a reporter hormone solution is provided and the removable surface from the first vessel is displaced to the second vessel and manipulating the second vessel so that the reporter hormone solution contacts the removable surface. Then, a third vessel containing an indicating solution which has an appearance which is related to the amount of the reporter hormone contacted is provided, and the removable surface is displaced from the second vessel to the third vessel. The third vessel is manipulated so that the indicating solution contacts the removable surface. Then, a determination is made regarding the pregnancy or sex based on the appearance of the indicating solution.11-06-2008
20080299677NEW ASSAYS FOR PREIMPLANTATION FACTOR AND PREIMPLANTATION FACTOR PEPTIDES - The present invention relates to assay methods used for detecting the presence of PIF, and to PIF peptides identified using this assay. In particular, the present invention relates to flow cytometry assays for detecting PIF. It is based, at least in part, on the observation that flow cytometry using fluorescently labeled anti-lymphocyte and anti-platelet antibodies demonstrated an increase in rosette formation in the presence of PIF. It is further based on the observation that flow cytometry demonstrated that monoclonal antibody binding to CD2 decreased in the presence of PIF. The present invention further relates to PIF peptides which, when added to Jurkat cell cultures, have been observed to either (i) decrease binding of anti-CD2 antibody to Jurkat cells; (ii) increase expression of CD2 in Jurkat cells; or (iii) decrease Jurkat cell viability. In additional embodiments, the present invention provides for ELISA assays which detect PIF by determining the effect of a test sample on the binding of anti-CD2 antibody to a CD2 substrate.12-04-2008
20100129935PREGNANCY TESTING METHOD - The present invention relates to a method of determining if a patient is pregnant and if the pregnancy is progressing. The method involves testing the patient a first time with a hCG home urine test, then after a select number of days, a second hCG home urine test is taken having a lower hCG sensitivity than the first.05-27-2010
436512000 INVOLVING ANTIBODY FRAGMENTS 4
20090186423Method for Characterization of a Recombinant Polyclonal Protein - The present invention provides a characterization platform that can be used to assess the amount of different antibodies produced by a polyclonal cell line during production, as well as batch-to-batch consistency of the antibodies present in the polyclonal products. The structural characterization platform is based on removal of the heavy chains and separation of the light chains remaining via a chromatographic separation technique followed by mass spectrometry analysis on the intact light chain species.07-23-2009
20100221846SENSOR, A SENSOR ARRAY, AND A METHOD OF OPERATING A SENSOR - In an example embodiment, there is a sensor for detecting particles. The sensor comprises an electrode, a sensor active region covering the electrode and the sensor active region is sensitive-for the particles. A first switch element is operable to bring the electrode to a first electric potential when the first switch element is closed, and a second switch element is operable to bring the electrode to a second electric potential when the second switch element is closed. A detector is adapted to detect the particles based on a change of the electric properties of the sensor in an operation mode in which the electrode is brought to the first electric potential and an operation mode in which the electrode is brought to the second electric potential.09-02-2010
20080299678Methods for characterizing glycosylation sites - The present invention provides methods for isolating and characterizing the glycosylation sites of a glycoprotein, such as a glycosylated antibody. In particular, the methods employ affinity capture, liquid chromatography, and mass spectrometry to determine, for example, the location of the glycopeptide, the heterogeneity of the glycan attached to the glycopeptide, the mass of the glycopeptide, and/or the peptide sequence.12-04-2008
20110287559METHOD OF CHARACTERIZING GLYCANS ATTACHED TO GLYCOPROTEINS - A method of characterizing glycans attached to glycoproteins is disclosed herein. The method comprises a first step of immobilizing the glycoproteins on colloidal particles forming glycoprotein/colloidal particles. The glycans on the glycoproteins may then be characterized, for example the composition and/or structure of glycans may be characterized or the glycans attached to proteins may be identified. Characterization may be accomplished by either binding the glycoprotein/colloidal particles with one or more binding agents and assessing the aggregation of the glycoprotein/colloidal particles or by cleaving glycans from the glycoprotein/colloidal particles with a cleaving agent and analyzing the glycans.11-24-2011
436513000 INVOLVING IGA, IGD, IGE, OR IGM 3
20100248393METHOD FOR DETERMINATION OF ANTIGEN AND ANTIBODY AGAINST THE ANTIGEN, AND DETERMINATION REAGENT FOR USE IN THE METHOD - For determining an antigen or an antibody against the antigen in a sample, a determination reagent is used which comprises an antibody capable of causing an antigen-antibody reaction with the antigen contained in the sample and an antigen capable of causing an antigen-antibody reaction with both of the antibody contained in the sample and the antibody contained in the reagent. Either one of the antigen and the antibody in the reagent is supported on a microparticle. The sample is mixed with the reagent. The antigen or the antibody in the sample can be determined based on the degree of increase or decrease in agglutination caused by the antigen-antibody reaction. It becomes possible to determine both of an antigen and an antibody against the antigen in a sample accurately using one and the same reagent.09-30-2010
20090075395MULTIPLEXED BIOMARKERS FOR MONITORING THE ALZHEIMER'S DISEASE STATE OF A SUBJECT - The present invention relates to a method for diagnosing a subject's Alzheimer's disease state. The method involves providing a database containing information relating to protein expression levels associated and not associated with Alzheimer's disease. The database includes information relating to at least a majority of the following proteins: albumin, alpha-1-antitrypsin, apolipoprotin E, apolipoprotein J, complement component 3, contactin, fibrin beta, Ig heavy chain, Ig light chain, neuronal pentraxin receptor, plasminogen, proSAAS, retinol-binding protein, transthyretin, and vitamin D binding protein. Information relating to proteins found in one or more cerebrospinal fluid samples from a subject is also provided and a database is used to analyze the information from the subject to diagnose the subject's Alzheimer's disease state. Also disclosed is a computer readable medium and a system, both useful in carrying out the present invention.03-19-2009
20110256641Methods and Systems for Detecting Free IgE - The present disclosure provides methods, systems, and kits for detecting IgE antibodies available to bind to the Fc epsilon receptor in a biological sample from a subject receiving anti-IgE therapy. These methods, systems, and kits find use in monitoring anti-IgE therapy and determining its efficacy.10-20-2011
436148000 MEASUREMENT INCLUDES CHANGE IN VOLUME OR PRESSURE 3
20110171744DISPENSING DEVICE - Provided is a dispensing device capable of removing bubbles reliably. In this dispensing device, deaerated water is fed by a water feed pump to the inside of a pipeline up to the vicinity of the leading end of a dispensing nozzle. A water feed valve disposed near a dispensing pump is closed to establish a deaerated water space opened on the leading end side of the dispensing nozzle. The dispensing pump is activated on the space, thereby causing the dispensing nozzle to perform suction and exhaust actions. The dispensing device comprises a vacuum means connected to the space through the water feed valve thereby maintaining a vacuum state. In case the deaerated water space is cleared of the bubbles, the cleared water space is brought, by opening a change-over valve, into communication with a pipeline having a vacuum means connected thereto, thereby bringing the space into the vacuum state.07-14-2011
20090170209HYDROGEL CHEMICAL SENSOR - An apparatus and method for detecting an analyte wherein a member may respond to mechanical stress induced by a volume change of a sensitive hydrogel upon sensing an analyte and wherein the mechanical stress may be detected by a detector.07-02-2009
20100136706MOLECULE-RESPONSIVE GEL PARTICLES, METHOD OF PRODUCTION OF THE SAME, AND USE THEREOF - The invention provides molecule-responsive gel particles which change in size in response to specific molecules and a method of production of the same. A polymer gel particle with a crosslinked structure has fixed thereto a plurality of clathrate compound-forming host molecules. two or more of the plurality of host molecules clathrate different atomic groups in a target molecule so that the two or more host molecules and the target molecule can form a crosslink in the molecule-responsive gel particle.06-03-2010
436183000 MISCELLANEOUS 2
20100267164LIQUID CELL AND PASSIVATED PROBE FOR ATOMIC FORCE MICROSCOPY AND CHEMICAL SENSING - The invention provides a liquid cell for an atomic force microscope. The liquid cell includes a liquid cell housing with an internal cavity to contain a fluid, a plurality of conductive feedthroughs traversing the liquid cell housing between the internal cavity and a dry side of the liquid cell, a cantilevered probe coupled to the liquid cell housing, and a piezoelectric drive element disposed on the cantilevered probe. The cantilevered probe is actuated when a drive voltage is applied to the piezoelectric drive element through at least one of the conductive feedthroughs. A method of imaging an object in a liquid medium and a method of sensing a target species with the liquid cell are also disclosed.10-21-2010
20090280574Apparatus for Indicating The Presence of a Controlled Substance and Method of Use - An apparatus for indicating the presence of a controlled substance is disclosed for use in medical facilities licensed to administer controlled medications to patients. The apparatus contains an indicator element selected to experience a color changing chemical reaction when mixed with a specific type of medication. A medical professional can inject a portion of any unused medication into the apparatus prior to final disposal to prove that the disposed of medication is not some other compound.11-12-2009
436065000 PREGNANCY OR OVULATION 2
20100197026SOLUTION FOR DETERMINING OVULATORY PERIOD IN WOMEN FROM A TEST TUBE OF URINE - The solution covered by the invention contains 0.5 to 9.0% by mass of hydrate salt of chloride anion Cl08-05-2010
20110201122HYPERGLYCOSYLATED hCG DETECTION DEVICE - The present invention related to a pregnancy test device that can selectively detect hyperglycosylated human chorionic gonadotropin (hCG-H) in a liquid sample. The sample can be deposited on a proximal portion of the device for transport to a distal portion of the device. The device can include a release medium formed of a first material and including a detectable label thereon and a capture medium, including a capture site, in fluid communication with the release medium and formed of a second, different material. At least one of the release medium and the capture medium includes a binding member that exhibits a moderate to high affinity for hCG-H and is selectively or preferentially reactive with hCG-H.08-18-2011
436182000 ELEMENT OR INORGANIC COMPOUND 2
20130052747Quantitative Analysis of a Function Group on the Surface of a Solid Material - Disclosed is a method for quantitatively analyzing a functional group on the surface of a solid material. The functional group is carboxylic group while the solid material is carbon nano-tubes. The carboxylic group reacts with sodium hydrogen carbonate, thus turning the carboxylic groups into sodium carboxylate while consuming the sodium ions in the solution. The carbon nano-tubes are separated from the sodium hydrogen carbonate solution. The number of the sodium ions before and after the reaction is analyzed. Moreover, the sodium carboxylate carried on the reacted carbon nano-tubes with reacts with hydrochloric acid solution, thus dissolving the sodium ions in the hydrochloric acid solution. The carbon nanotubes are separated from from the hydrochloric acid solution. The amount of the sodium ions is analyzed before and after the reaction in the hydrochloric acid solution.02-28-2013
20080280375Arsenic-Specific Stain for Identifying Arsenic-Treated Wood - A novel reagent is used to identify arsenic-treated wood. The stain may detect arsenic extracted from wood into solution; arsenic transferred from wood to a wipe, which is then extracted into solution; or the stain may be directly applied at a predetermined location on the wood's surface. Copper preservatives are not detected by the stain and phosphate interference is minimized. The process is quick, inexpensive, and easy to use. Development of a blue color (i.e., reduction of at least some Mo (VI) to Mo (V) in molybdenum blue) indicates the presence of arsenic.11-13-2008
436070000 SEDIMENTATION RATE OR HEMATOCRIT 2
20080280365Apparatus and Method for Determining the Volume Fractions of the Phases in a Suspension - An apparatus for determining the volume fractions of the phases in a suspension includes a body, a channel structure, which is formed in the body, and an inlet area and a blind channel, which is fluidically connected to and capable of being filled via the same. Furthermore, a drive for imparting the body with rotation, so that phase separation of the suspension in the blind channel takes place, is provided. The blind channel includes such a channel cross-section and/or such wetting properties that, when filling same via the inlet area, higher capillary forces act in a first cross-sectional area than in a second cross-sectional area, so that at first the first cross-sectional area fills in the direction from the inlet area toward the blind end of the blind channel and then the second cross-sectional area fills in the direction from the blind end toward the inlet area.11-13-2008
20080248582Diagnostic Device and Method - A method of separating a cell-containing sample into a substantially cell-depleted portion, and a cell-containing portion comprising at least one of a stem cell, a lymphocyte, and a leukocyte comprises a step in which the sample is received in a vessel with at least one flexible wall. In another step, an additive and particles are added to the sample, wherein the additive substantially binds to the at least one of the stem cell, lymphocyte, and leukocyte, and the particles and wherein the particles substantially bind to the at least one of the stem cell, lymphocyte, and leukocyte, and the additive, thereby producing a cell-containing network. In a further step, the network is separated from the substantially cell-depleted portion by applying a magnetic force.10-09-2008
436062000 OXYGEN DEMAND (E.G., BOD, TOD, COD, ETC.) 2
20110027893Method and apparatus for automated determining of chemical oxygen demand of a liquid sample - A method and apparatus for automated determining of the chemical oxygen demand of a liquid sample, comprising steps as follows: mixing the liquid sample with sulfuric acid; introducing a carrier gas, especially air, into the liquid sample-sulfuric acid mixture; adding an oxidizing agent to the liquid sample-sulfuric acid mixture to form a reaction mixture; heating (especially under reflux conditions) the reaction mixture at the boiling temperature of the reaction mixture for a predetermined time period; photometrically determining consumption of an oxidizing agent in the reaction mixture; and ascertaining therefrom the chemical oxygen demand of the liquid sample, wherein all steps are automatedly performed in an analytical system with the assistance of an evaluating and control unit.02-03-2011
20090186417Method for Determining the Oxygen Requirement of an Aqueous Solution for a Purification Process - Method of determining the oxygen demand, TOD or COD, of an aqueous solution, in particular of waste water, for a clarification process, wherein a sample of the aqueous solution is decomposed by combustion, such that the combustion is carried out without the presence of a catalyst, at a temperature above 1150° C., in particular at 1200° C.07-23-2009
436035000 USING ACTIVATED SPECIE 2
20090068747APPARATUS FOR EMITTING AND DETECTING LIGHT IN A NUCLEIC ACID AMPLIFICATION REACTION - Subject of the present invention is to provide an apparatus, an instrument, and a method particularly useful in multiplex PCR applications permitting short sample measuring times of many samples combined with high sensitivity.03-12-2009
20110129930INSPECTION METHOD AND APPARATUS - In an embodiment, there is disclosed an inspection method for detecting the presence of imprintable medium on an imprint lithography template. The method includes contacting the imprint lithography template with a marker, the marker being attachable to imprintable medium that may be on the imprint lithography template, the marker being configured to interact with incident radiation when attached to the imprintable medium, directing radiation at the imprint lithography template, and measuring radiation re-directed by the imprint lithography template to attempt to detect presence of a marker that has attached to the imprintable medium, from the interaction of the marker with the incident radiation, and thus detect the presence of imprintable medium to which the marker is attached.06-02-2011
436068000 BLOOD GAS (E.G., OXYGEN, CARBON DIOXIDE, BLOOD, PH, ETC.) 1
20090233372COMPOSITIONS, KITS AND METHODS FOR DETERMINING ETIOLOGY OF TRALI AND DETECTING PATIENTS AT RISK FOR THIS TRANSFUSION REACTION - The instant application is to compositions, kits and methods to determine if a person in need of a blood transfusion is at-risk for TRALI. The invention includes embodiments of methods for testing the priming activity of a blood component or serum or plasma from a patient sustaining TRALI or the priming status of neutrophils of a patient at risk for TRALI by exposing the neutrophils to samples or priming agents, and measuring the respiratory burst in response to an activating agent. The respiratory burst may then be compared to a pre-determined value to find if the patient has abnormally high respiratory burst or the plasma or serum samples have priming activity. The present invention also contemplates kits designed to measure respiratory burst, and compositions/reagents to be used in same.09-17-2009
436038000 PURITY OF STEAM OR CHEMICALLY INERT GAS 1
20120028360Apparatus and Method for Combustion Analysing a Sample - Apparatus and method for combustion analysing a sample comprising determining incomplete combustion in a combustion analyser having a combustion chamber. A sample is supplied to the combustion chamber and combusted to produce combustion products. A target gas characteristic of incomplete combustion of the sample is detected in the combustion products by a target gas sensor. The target gas may be carbon monoxide, methane, methanal and/or methanol, among others. Whether incomplete combustion of the sample has occurred may be determined. A signal indicative of incomplete combustion is output from the target gas sensor and the combustion products can be directed to waste using a valve disposed upstream of the target gas sensor.02-02-2012

Patent applications in all subclasses Chemistry: analytical and immunological testing