Chemistry: analytical and immunological testing inventions 04/06

20060088939 - Methods for analysis of soil samples: The present invention relates to methods for the preparation and analysis of soil samples to determine the presence, concentration and/or volume of at least one component in a soil sample, including preparation steps of extracting the component from the sample by use of aqueous solution and, depending on the element,...

20060088940 - Isolated communication sample processing system and methods of biological slide processing: A sample processing system 101 that may be automated and methods are disclosed where a number of sample processing systems 101, such as stainer, maybe connected to a number of separate full function computers 181 through a stainer network 183 that may be isolated from other communication traffic. A network...

20060088941 - 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 by a wash solution, and reading the result of a color reaction in which an ester which is...

20060088942 - Measuring nitric oxide in blood gases and treatments based thereon: Nitric oxide is measured in blood as a marker of tissue blood flow and oxygenation. Where nitric oxide is measured to be below physiological or to be below average, in a patient having a disease associated with oxygen delivery deficiency, nitric oxide is infused alone or with nitrite. Where nitric...

20060088943 - Method and apparatus for determining a concentration of a component in a mixture: The invention relates to a method and apparatus for determining a concentration of a component in an unknown mixture. The method includes the steps of preparing a reactant having a specified pH level and a specified temperature and combining the unknown mixture with the reactant. The method further includes varying...

20060088944 - Micro fluidic system for single molecule imaging: Laminar flow of a carrier liquid and polymeric molecules through micro-channels is used to straighten the polymeric molecules and attach the straightened molecules to a wall of the micro-channel for subsequent treatment and analysis. Micro-channels can be manufactured using an elastic molding material. One micro-channel embodiment provides fluid flow using...

20060088945 - Electrochemical test device and related methods: An electrochemical test device is provided for determining the presence or concentration of an analyte in an aqueous fluid sample. The electrochemical test device includes a working electrode and a counter electrode made of an amorphous semiconductor material. The working electrode is overlaid with a reagent capable of reacting with...

20060088946 - Optical microlabels: shapes and reflectors: Labels and methods of producing labels for use in clinical, analytical and pharmaceutical development assays are provided. Labels may comprise shape-encoded particles which may be coupled to ligands such as DNA, RNA and antibodies, where different shapes are used to identify which ligand(s) are present. Labels may also comprise reflectors,...

20060084173 - Sulfenic acid-reactive compounds and their methods of synthesis and use in detection or isolation of sulfenic acid-containing compounds: wherein: R1 is a label (e.g., a detectable groups; an anti-tumor agent)s; L is present or absent and when present is a linking group; and x represents an integer from 1 to 10; or a pharmaceutically acceptable salt thereof. the compounds are useful for, among other things, identifying cysteine sulfenic...

20060084174 - Blood analyzer and method of separating plasma: In a blood analyzer for separating plasma in a flow channel by centrifugal operation, it is intended to effectively utilize a whole blood sample supplied into the flow channel, shorten the flow channel and reduce the apparatus size. It is also intended to reduce the amount of the blood to...

20060084175 - Colorimetric strip containing coomassie blue for semi-quantitation of albumin: A test strip for semi-quantitatively measuring amount of albumin in a urine sample is provided. The test strip contains Coomassie Brilliant Blue on a test pad area which is wetted with the urine sample, providing a color change in the presence of protein. The color that develops at the test...

20060084176 - Detection of uronium salts: Methods and kits for colorimetric identification of uronium salts, such as explosives....

20060084177 - Supported molecular biofluid viscosity sensors for in vitro and in vivo use: A device and a method for measuring viscosity that includes attaching molecular rotors to a solid surface, exposing the solid surface to a fluid having a viscosity to be measured, and taking optical measurements to determine viscosity. The solid surface is preferably quartz, polystyrene or silicate glass, such as a...

20060084178 - Trace ammonia colorimetric test apparatus: A chemical measuring apparatus and method that include a flexible sample bag for unmasking and measuring an amount of a chemical in a sample while under microgravity conditions. The sample includes a biocide that masks the presence of the chemical in the sample. The flexible sample bag includes first and...

20060084179 - Analytical device for measuring cyanuric acid: Reagents for determining presence or concentration of cyanuric acid are described. The reagents include an indicator, a 2,4-diamino-6-alkyl-1,3,5-triazine, caffeine, which acts as a stabilizer, and may include an antioxidant....

20060084181 - Method and apparatus for rapid extraction and analysis, by sers, of drugs in saliva: The method and apparatus rapidly separate drugs and their metabolites from saliva and, in a continuous sequence of steps, rapidly detect, identify and quantify them through surface-enhanced Raman spectroscopy....

20060084182 - Method and apparatus for rapid extraction and analysis, by sers, of drugs in saliva: The method and apparatus rapidly separate drugs and their metabolites from saliva and, in a continuous sequence of steps, rapidly detect, identify and quantify them through surface-enhanced Raman spectroscopy....

20060084180 - Method for increasing the dynamic range of a cavity enhanced optical spectrometer: Target analytes present in low concentration as components in a gaseous admixture can be detected using a cavity enhanced optical spectrometer by a process comprising: i) identifying from the spectrum of the pure target analyte a series of absorption peaks free from spectral interference by peaks of any additional gaseous...

20060084183 - Method for testing the interaction between at least one liquid sample and respective solid sample: The invention relates to a method for testing the interaction between at least one liquid sample and a respective solid sample. The method comprises at least the steps of—providing adjacent first and second cavities, where said first and second cavities are in mutual communication via at least one passage, —placing...

20060084184 - Reagents for urine-based immunological assays: The present invention provides compositions and methods for detecting analytes in urine. In particular, the present invention provides reagents for accurately detecting antigens in urine through the use of antibody-based assays....

20060084185 - Apparatus and method for the purification of nucleic acids: The present invention is directed to novel device comprising a sol-gel filled microchannel and methods for purifying nucleic acids from biological samples. In one embodiment shown in FIG. 1, the microfluidic device (1) comprises a base (2) with a microchannel (3) formed in the interior of base (2), wherein said...

20060084186 - System and method for identifying proteins: A method is disclosed for identifying one or more specific proteins in a heterogeneous test solution with a plurality of micro-cantilevers which have two or more conductive arms coupled to an end area having a higher resistance than the conductive arms. The method includes the operation of heating each end...

20060078997 - 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....

20060078998 - System and methods for sample analysis: The invention encompasses analyzers and analyzer systems that include a single particle analyzer, methods of using the analyzers and analyzers systems to analyze samples, either for single particles or for multiple particles (multiplexing), methods of doing business based on the use of the analyzers or analyzer systems of the system,...

20060078999 - Apparatus and method for a nanocalorimeter for detecting chemical reactions: A method for detecting chemical reactions uses a nanocalorimeter having a substrate including thermal isolation capability residing on the substrate, thermal equilibration regions residing within the thermal isolation capability, and thermal measurement capability residing within each of the thermal equilibration regions. The thermal measurement device is connected to detection electronics....

20060079000 - Capture and detection of microbes by membrane methods: Methods and systems for detecting the presence of analytes using a membrane based detection system are described. A fluid sample is passed through a membrane based detection system (100). Particulate analytes (e.g., microbes) are captured by the membrane (110). Detection and analysis techniques may be applied to determine the identity...

20060079001 - Local flow and shear stress sensor based on molecular rotors: A method for detecting local shear stress values using molecular rotors that allows for an extremely sensitive determination of a shear stress field or a flow field, even at very low flow rates. In one embodiment, molecular rotors may be adhered to a fiber optic probe or other solid surface,...

20060079002 - System and method for landing of ions on a gas/liquid interface: A system for collecting gaseous ions from a mixture of molecules includes an ionizer, a separator, and a surface that is positioned in cooperative relationship with the separator. The ionizer converts at least a portion of the molecules into gas phase ions and the separator separates the ions. The ions...

20060079003 - Apparatus and method for a precision flow assay: A flow cell system includes a housing, a mixing chamber and a flow channel sized to provide for movement of liquid from the mixing chamber by non-capillary action. A monitoring device is coupled to the matrix. A fluid moving source is coupled to the flow channel. A matrix is coupled...

20060073598 - Particle complex and method for producing the same: It is an object of the present invention to provide a particle complex that is dispersible in a liquid sample containing a target substance, and that comprises a first particle on which a reactive substance capable of reacting with a target substance is immobilized and a second particle labeled with...

20060073599 - Microfabricated diffusion-based chemical sensor: A channel-cell system is provided for detecting the presence and/or measuring the presence of analyte particles in a sample stream comprising: a) a laminar flow channel; b) two inlet means in fluid connection with said laminar flow channel for respectively conducting into said laminar flow channel (1) an indicator stream...

20060073600 - Temperature control method for liquid components in analyzing instrument, the analyzing instrument and analyzing apparatus: This invention relates to a technique for adjusting the temperature of a liquid held on an analyzing instrument (1) to a target value. The invention provides a temperature control method wherein thermal energy is supplied to liquid (10) by passing a magnetic flux across an analyzing instrument (1) for raising...

20060073601 - Method, apparatus, reagent kit and reagent for distinguishing erythrocytes in a biological speciment: A method for distinguishing erythrocytes in a biological specimen, comprising the steps of preparing a sample liquid by performing to give a damage to a cell membrane of yeast-like fungi without hemolyzing erythrocytes in a biological specimen and to stain the yeast-like fungi with a fluorescent dye; detecting a first...

20060073602 - Method of staining proteins using alta: The present invention relates to a method of staining proteins in gels and membranes using stain alta....

20060073603 - Reagent delivery and photometric chlorine analysis: Water soluble analytical agents for chlorine analysis of water are delivered into a sample from a support that is beneficially moved in the sample to assist delivery and mixing. Beneficially, an immediate photometric analysis of free chlorine is provided, and variability of measurements is reduced. Advantageously, the analysis is a...

20060073604 - Aldehyde detection kit and method thereof: The present application describes a reagent system for detecting presence of aldehyde in a sample that includes (i) Component A, which includes bisulfite, pararosalinine, and hydrochloric acid; and (ii) Component B, which includes a solution of hydroxide, wherein the Component A has a pH of from about 1.4 to 1.6....

20060073605 - Liquid analyser: A liquid analyser has a reactor portion and an associated measurement portion. A sample pump is operable to deliver a liquid sample to a reactor vessel. A base pump supplys a base solution to the reactor vessel. An ozone generator supplies ozone to the reactor vessel. The liquid sample is...

20060073606 - Measurement result correction method, urine analysis system, urine analyzer, and storage medium: A urine analysis system includes a urinary particle analyzer and a computer. The urinary particle analyzer has a measuring unit that measures a cast concentration from the urine and an electric conductivity sensor that measures the electric conductivity of the urine. The computer has a function of correcting the cast...

20060073607 - Organic materials able to detect analytes: The present invention generally relates to polymers with lasing characteristics that allow the polymers to be useful in detecting analytes. In one aspect, the polymer, upon an interaction with an analyte, may exhibit a change in a lasing characteristic that can be determined in some fashion. For example, interaction of...

20060073608 - Analysis of metals in acidic solutions: In one embodiment, a method of neutralizing the matrix of an acidic solution including at least one metal using a weak anion exchange resin is provided. The method includes the acts of: activating the weak anion exchange resin with a weakly acidic metal complexing reagent, the weakly acidic metal complexing...

20060073609 - Sample supplying method and device: An inlet pipette tip, into which a sample has been sucked, is fitted to an inlet of a flow path member of an analysis unit comprising a dielectric material block having a smooth surface, on which a thin film layer has been formed, and the flow path member, which is...

20060073611 - Immunoassay: The present invention relates to methods of assaying the levels of proteins or antibodies in a test sample. In particular, the present invention relates to a method of determining the relative abundance of a plurality of proteins in a test sample compared to a reference sample, the method comprising: (a)...

20060073610 - Patterned composite membrane and stenciling method for the manufacture thereof: A patterned composite membrane useful, for example, in proteomic and genomic biopolymer characterization is disclosed. The patterned composite membrane, in general, comprises a substantially planar support and porous material arranged thereon to define a plurality of discrete binding sites. Each binding site is configured such that it will preferentially bind...

20060073612 - Raman-active particles and methods of making and using them: A Raman-active particle as well as a method of making a Raman-active particle are described. The Raman-active particle includes a core particle and a coating. The coating substantially covers the core particle. A Raman-active analyte is at least partially within the coating. The method of making a Raman-active particle includes...