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| Number | Title | Issue Date |
| 7943390 | 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 preferabl... | 05/17/2011 |
| 7939337 | Carbosilane polymers and methods for use in analytical and purification applications This invention relates generally to a new class of chemoselective polymer materials primarily designed to sorb hydrogen bond basic analytes such as organophosphonate esters (nerve agents and precursors) and nitro-substituted compounds (explosives). In particular, th... | 05/10/2011 |
| 7851226 | Osmotic reaction detector for monitoring biological and non-biological reactions A method and apparatus for measuring the presence or absence of reaction between a first and second material of interest by measuring osmotic pressure changes in a reaction cell. The reaction cell is capable of measuring the small changes in pressure that occur due ... | 12/14/2010 |
| 7799574 | Dispensing apparatus and in-duct bubble presence determining method in the same A dispensing apparatus performs dispensing by filling a duct to which a dispensing nozzle is connected with a liquid, making the liquid move in the duct to absorb a liquid sample including a specimen or a reagent through the dispensing nozzle, and discharging the ab... | 09/21/2010 |
| 7670844 | 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 preferabl... | 03/02/2010 |
| 7615375 | Osmotic reaction cell for monitoring biological and non-biological reactions A method and apparatus for measuring the presence or absence of reaction between a first and second material of interest by measuring osmotic pressure changes in a reaction cell. The reaction cell is capable of measuring the small changes in pressure that occur due ... | 11/10/2009 |
| 7575932 | Method for monitoring and ensuring the safety of exothermic reactions The invention relates to a method for monitoring exothermic reactions in a reactor, in which one or more starting materials react exothermically to give at least one product, and at least one gas is present in the reactor during operation as intended or during a run... | 08/18/2009 |
| 7439069 | Blood coagulation test cartridge, system, and method A system and method for determining a coagulation time, e.g., thrombin time, PT, aPTT, and ACT, of a blood sample deposited in a test cartridge is disclosed. The test cartridge includes a blood receptacle that is open to the atmosphere into which a blood sample is t... | 10/21/2008 |
| 7364912 | Controlling the flow of hydrogen and ammonia from a hydrogen generator during a breakthrough with hydrated copper (II) chloride trap Gas flow is controlled to a feed gas consuming device depending on whether a contaminant gas is present. In one embodiment, hydrogen gas flow from a hydrogen gas generator to a hydrogen consuming device, such as a fuel cell, gas chromatograph or a flame ionization d... | 04/29/2008 |
| 7309607 | Method and device for monitoring platelet function The invention provides a method of monitoring platelet function in a mammal by passing blood removed from the body of the mammal through a passageway to contact an obstruction or irregularity in the passageway to generate a platelet mass in the passageway, and monit... | 12/18/2007 |
| 7288760 | Conformational real-time atmospheric and environmental characterization sampling apparatus and method The present invention relates generally to a method and apparatus for real-time environmental gas sampling. A manifold is disclosed allowing for real-time gas sampling and monitoring/analysis of atomospheric over a wide range of oxygen contents, e.g., oxygen-rich as... | 10/30/2007 |
| 7282367 | Method for verifying amount of sample solution, method for controlling measurement system and method for measuring concentration of solution in apparatus for measuring optical characteristic A verification method of a sample solution amount includes the steps of: detecting at least one of a transmitted light component, a scattered light component and a reflected light component of a light by a photosensor while irradiating a sample solution, which is be... | 10/16/2007 |
| 7282372 | Fluid measurements in a reaction vessel used in conjunction with a clinical analyzer A method for measuring the amount of fluid contained in a reaction vessel in a clinical analyzer includes the steps of adding a first aliquot of fluid to the reaction vessel and measuring the quantity of fluid contained therein. A second aliquot of fluid is then add... | 10/16/2007 |
| 7282184 | Microwave assisted chemical synthesis instrument with controlled pressure release An instrument is disclosed for carrying out controlled microwave assisted chemical processes, and that is particularly useful for handling relatively small samples. The instrument includes a microwave-transparent reaction vessel with an open mouth, a pressure-resist... | 10/16/2007 |
| 7256052 | Chemical reaction and analysis system This invention is to a microreactor type of reaction and analysis system. The system includes a chemical reaction chamber having internal conduits through which a chemical reactant, such as a reaction gas, can be fed. The conduits for transporting fluids such as rea... | 08/14/2007 |
| 7204960 | Apparatus and method for calibration of a dispensing system The invention provides an apparatus and method for calibrating a dispensing system. A dispenser dispenses a controlled quantity of material into a container for receiving material. A system, preferably a vision system comprising an image capturing device and an imag... | 04/17/2007 |
| 7189575 | Method and device for determining the swelling behavior of polymer gels under pressure Disclosed is a method for determining the swellability and the swelling kinetics of superabsorbent material (9) such as polymer gels, for example, which comprises introducing a defined volume of the dry superabsorbent material (9) into a measuring vess... | 03/13/2007 |
| 7181955 | Apparatus and method for measuring multi-Phase flows in pulp and paper industry applications The consistency of a pulp slurry in a pipe 12 is determined using a pair of effective sound speeds a1eff and a2eff of the fluid/pipe system. The pair of effective system sound speed measurements are taken at two sensing regions X1 | 02/27/2007 |
| 7171983 | Multi-reservoir pressure control system Improved microfluidic devices, systems, and methods allow selective transportation of fluids within microfluidic channels of a microfluidic network by applying, controlling, and varying pressures at a plurality of reservoirs. Modeling the microfluidic network as a s... | 02/06/2007 |
| 7157052 | Linear chemoselective carbosilane polymers and methods for use in analytical and purification applications This invention relates generally to a new class of chemoselective polymer materials. In particular, the invention relates to linear polycarbosilane compounds for use in various analytical applications involving sorbent polymer materials, including chromatoghraphy, c... | 01/02/2007 |
| 7153695 | Continuous flow titration The present invention relates to a method for titration comprising guiding a sample to be titrated through a conduit, adding a reagent to said conduit at at least two entrance positions along said conduit in such a manner that said reagent will react with the sample... | 12/26/2006 |
| 7144119 | System and method for programmable illumination pattern generation An apparatus providing programmable illumination pattern generation for the manipulation of colloidal particulates and biomolecules in suspension between electrodes, is disclosed. The apparatus implements LEAPS (Light-controlled electrokinetic assembly of particles ... | 12/05/2006 |
| 7144739 | Pressure measurement and relief for microwave-assisted chemical reactions A pressure-sealing, pressure-monitoring closure for non-invasively sealing a reaction vessel to a defined release pressure in microwave-assisted chemistry is disclosed. The closure includes a pressure-resistant, microwave-transparent reaction vessel, one portion of ... | 12/05/2006 |
| 7141769 | Spectroscopy-based real-time control for microwave-assisted chemistry The invention is an instrument and method for microwave-assisted chemical synthesis. The instrument includes a source of microwave radiation for applying microwave energy to a sample, a microwave cavity in wave communication with the source for holding the sample du... | 11/28/2006 |
| 7140266 | Device for determining the size distribution of aerosol particles The invention relates to a device (30) for determining the size distribution of aerosol particles from a flow (11), the device (30) comprising an electric mobility analyzer (10) and an impactor (20), connected to each other in such... | 11/28/2006 |
| 7077234 | Rack and pinion steering assembly A rack-and-pinion assembly comprises a housing, a rotatable pinion gear including a plurality of teeth, and at least one moveable mount for providing a moveable attachment of the housing to the vehicle. A rack is slidably positioned within the housing and includes a... | 07/18/2006 |
| 7029921 | Apparatus for rapid measurement of aerosol bulk chemical composition An apparatus for continuous on-line measurement of chemical composition of aerosol particles with a fast time resolution is provided. The apparatus includes an enhanced particle size magnifier for producing activated aerosol particles and an enhanced collection devi... | 04/18/2006 |
| 6989237 | Capillary array and related methods The invention provides methods and devices for detecting the presence of one or more target analytes in a sample employing a channel having affixed therein one or more binding partners for each target analyte. Assays are carried out by transporting the sample throug... | 01/24/2006 |
| 6966746 | Bearing pressure balance apparatus The present invention provides a method and apparatus for balancing the pressure across a front bearing in a compressor housing. The present invention may protect the bearing from lubricant migration by eliminating pressure differentials across the bearing. When a b... | 11/22/2005 |
| 6941825 | Analytical devices based on diffusion boundary layer calibration and quantitative sorption A method and device for determining the concentration of analytes in a sample. The device has a surface with an extraction coating thereon. The method is carried out while the sample is highly agitated to maintain a substantially constant boundary layer. The sample ... | 09/13/2005 |
| 6924149 | Parallel reactor with internal sensing and method of using same Devices and methods for controlling and monitoring the progress and properties of multiple reactions are disclosed. The method and apparatus are especially useful for synthesizing, screening, and characterizing combinatorial libraries, but also offer significant adv... | 08/02/2005 |
| 6915679 | Multi-reservoir pressure control system Improved microfluidic devices, systems, and methods allow selective transportation of fluids within microfluidic channels of a microfluidic network by applying, controlling, and varying pressures at a plurality of reservoirs. Modeling the microfluidic network as a s... | 07/12/2005 |
| 6912925 | Acoustic meter assembly An acoustic meter assembly has a measurement chamber for receiving a pressurized fluid to be monitored; an acoustic transducer for transmitting acoustic energy into and receiving the transmitted energy from the measurement chamber; and a holder for the acoustic tran... | 07/05/2005 |
| 6835553 | Photometric glucose measurement system using glucose-sensitive hydrogel An implantable biosensor for detecting an analyte in vivo in body fluids comprises an analyte-sensitive hydrogel filament chemically configured to vary its displacement volume according to changes in concentration of an analyte, such as glucose, in a patient's body ... | 12/28/2004 |
| 6794194 | Method for measuring hemoglobin concentration (HGB) in the blood in a circuit of a dialysis machine, measuring device and circuit for the application of the method A method for measuring the hemoglobin concentration in the blood in a circuit of a dialysis machine includes directing electromagnetic waves against one section of the circuit, measuring values of the electromagnetic waves transmitted through the section, and determ... | 09/21/2004 |
| 6750062 | Method and device for studying the effect of a supercritical fluid on the transition of a material from one condensed phase to the other and their application in the case of a polymer material The invention concerns the study of the effect of a supercritical fluid on the transitions of a material, which consists in varying continuously or by stages according to a predetermined programme, a first parameter value selected among the super-critical fluid pres... | 06/15/2004 |
| 6716642 | Individually addressable micro-electromagnetic unit array chips in horizontal configurations The present invention provides electromagnetic chips and electromagnetic biochips having arrays of individually addressable micro-electromagnetic units, as well as methods of utilizing these chips for directed manipulation of micro-particles and micro-structures suc... | 04/06/2004 |
| 6703241 | Referencing and rapid sampling in artificial olfactometry Devices and methods are disclosed that are effective to produce reliable vapor measurements in the presence of drift. In certain instances the sensor module is mounted externally on a housing. In other instances, the sensor module contains a first sensor ... | 03/09/2004 |
| 6692970 | Automated carbon efflux system A method and apparatus are provided for measuring the gas efflux from a substrate. In particular, one or more measuring chambers receive a gas enriched air from the substrate. A respiration system sends reference air having a known gas concentration to th... | 02/17/2004 |
| 6689613 | Method for preparing and screening catalysts A combinatorial method is provided for the preparation and screening of heterogeneous catalysts. The method comprises the steps of: (I) providing a library of elemental catalysts; (II) reacting the catalysts with a carbon source to form product directly o... | 02/10/2004 |
