Patents
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
12/2004
12/28/2004US6834530 Odor measuring apparatus
12/28/2004CA2339314C Time of flight mass spectrometer with selectable drift length
12/27/2004CA2472492A1 Method of separating ions
12/23/2004WO2004112174A1 Method for producing electrode for oxygen reduction, electrode for oxygen reduction, and electrochemical device using same
12/23/2004WO2004112169A2 System and method for monitoring electrolyte levels in a battery
12/23/2004WO2004112168A2 Part tester and method
12/23/2004WO2004111628A1 Catalytic combustion type gas sensor and method for manufacture thereof
12/23/2004WO2004111626A1 A mass amplified piezoelectric biochip
12/23/2004WO2004111613A2 Fluid sampling components
12/23/2004WO2004110676A1 A method and a device for detecting slag
12/23/2004WO2004110675A1 A method and a device for detecting slag
12/23/2004WO2004110647A2 Microfluidic water analytical device
12/23/2004WO2004110586A1 Nucleic acids in the form of specific novel chiral selectors
12/23/2004WO2004097385B1 Manual lamp, especially for magnetic crack testing
12/23/2004WO2004083808A3 Method and apparatus for measuring chemical concentration in a fluid
12/23/2004WO2004058373A3 Gamma sterilized buffer solutions for ph measurement
12/23/2004WO2004044548A3 Ph measurement system
12/23/2004WO2004019035A9 Method for characterizing biomolecules utilizing a result driven strategy
12/23/2004WO2002095356A3 Methods and compositions for analyzing proteins
12/23/2004US20040260511 System and method for determining an abused sensor during analyte measurement
12/23/2004US20040260418 Customized microfluidic device design, ordering, and manufacturing
12/23/2004US20040260414 Method and apparatus for operating an automated biomolecular preparation system
12/23/2004US20040260174 Metal detection apparatus
12/23/2004US20040260164 Implantable monitoring probe
12/23/2004US20040259271 Ferromagnetic thin-films; dielectric layer has recesses for binding molecular species in chemical/biological assay
12/23/2004US20040259265 for concentrating and separating fluid samples at pressures up to about 10,000 psi; concentrator and separator may consist of solid-state thin-film heater-adsorber and channel supported by solid substrate; concentrator has heated interactive elements for adsorbing constituents of sample; portable
12/23/2004US20040259261 quality assurance; identifying reagents on the test array, then verifying whether reagents on said test array match those reagents loaded into the microdispenser; recording the image of an entire surface of said microarray by an image-recording device to inspect the droplets
12/23/2004US20040259180 applying an excitation signal having a DC (direct current) component and an AC (alternating current) component; concentration of analyte is determined based on corrected DC response; accurately measuring the concentration of glucose in blood for example
12/23/2004US20040259173 Method of determining target protein of drug
12/23/2004US20040259109 Method of analyzing prokaryotic gene expression
12/23/2004US20040259088 Reacting sample with probe support containing a base complementary base then detecting hybridized complex; microarrays
12/23/2004US20040258987 Secondary battery having cathode tab of pin type
12/23/2004US20040258897 Hollow fiber having inner wall into which comb polymer is introduced, hollow fiber impregnated with gel, and fiber array thin section
12/23/2004US20040258615 Microfluidic coupling of radioactive isotope to reactive precursor; positron emission tomography; 2-deoxy-2-[18F] fluoro-D-glucose (FDG)
12/23/2004US20040257638 Microfluidic analytical apparatus
12/23/2004US20040257094 Fluid quality test method based on impedance
12/23/2004US20040257072 Dual-sensitivity eddy current test probe
12/23/2004US20040256655 Chemoreceptive semiconductor structure
12/23/2004US20040256549 Ion optics system for TOF mass spectrometer
12/23/2004US20040256318 Separating device, analysis system separation method and method of manufacture of separating device
12/23/2004US20040256248 System and method for analyte measurement using dose sufficiency electrodes
12/23/2004US20040256233 Opposing plates form first elongated portion for receiving a first elongated electrophoretic separation medium and a second portion extending away from the first portion; second separation medium on second portion and between opposing plates; dialysis membrane extends across the second separation medium
12/23/2004US20040256232 For electrophoresis and chromatography capillary tubes; reacting a fused silica tube with an anchoring compound such as a methacrylic trimethoxysilane derivative and grafting a betaine or especially a sulfobetaine onto it; can be used for separating inorganic anions, peptides and proteins
12/23/2004US20040256231 Fixing column to inlet chamber provides durability; no need for calibration of the robotic system when a column is replaced; fixed chamber coupled with valved input allows the system to exclude the liquid sample from the exterior environment and allows rapid sampling and high throughput
12/23/2004US20040256230 Electrodes to apply a voltage to produce an electrical field across a microchannel orthogonal to its length; and a detector for the position of ions within the microchannel after voltage application; no electrolyte reservoirs; electrodes are integrated with the walls of the separation separation channel
12/23/2004US20040256229 Subjecting nucleic acids to electrophoresis through the first portion of a matrix (preferably a random, linear copolymer of acrylamide) at at least 80 degrees C; deliberately cooling a second matrix portion to less than 30 degrees C.; and allowing the acids to migrate through the 2nd portion from the 1st
12/23/2004US20040256228 Structure and manufacturing method of disposable electrochemical sensor strip
12/23/2004US20040256227 Urea-permeable outer diffusional layer between an enzymatic layer and the analytical sample, preventing direct contact, thus allowing for multiple and continuous determinations of urea concentration in samples; may be miniaturized and incorporated into sensor cards
12/23/2004US20040256216 Disposable working electrode for an electrochemical cell
12/23/2004US20040255655 Device and method for determining the state of ageing of an exhaust-gas catalytic converter
12/23/2004US20040255647 Ethanol and volatility sensor and fabrication method
12/23/2004US20040255642 Measuring cell for determining a paramagnetic gas
12/23/2004DE10330704B3 Electrochemical gas sensor, for measuring gas concentrations comprises identical measuring electrodes for a measuring gas arranged in a housing impinged with an electrolyte, and a counter electrode
12/23/2004DE10325445A1 Hydraulic fluid boiling point detection unit, comprises a ceramic substrate with a heating unit and electrodes
12/23/2004DE10325132A1 Verfahren zur Herstellung eines Bauteils, insbesondere eines Ölzustandssensors sowie nach einem solchen Verfahren hergestelltes Bauteil A method for producing a component, in particular an oil condition sensor and produced by such a process component
12/23/2004DE10322701A1 Poröser Film, umfassend Metalloxidpartikel, Probenträger unter Verwendung des Films, Verfahren zur Herstellung eines Probenträgers, Verwendung des Probenträgers sowie Verfahrens zum selektiven Nachweis von phosphorylierten/sulfatierten Biopolymeren, insbesondere Peptiden/Proteinen A porous film comprising metal oxide particles, the sample carrier using the film, process for the preparation of a sample carrier, use of the sample carrier, as well as method for the selective detection of phosphorylated / sulfated biopolymers, in particular peptides / proteins
12/23/2004DE102004011691A1 Massenspektrometer Mass spectrometer
12/23/2004CA2528226A1 A method and a device for detecting slag
12/23/2004CA2528217A1 A method and a device for detecting slag
12/22/2004EP1489424A1 Method of analyzing peptide for determining c-terminal amino acid sequence
12/22/2004EP1489410A2 Copolymers for membranes in extended use planar sensors
12/22/2004EP1489409A1 Electrophoretic buffer
12/22/2004EP1489408A1 Method and sensor for measuring a chemical element
12/22/2004EP1489407A1 Method and apparatus for conductivity measurements of analytes with electrically active markers
12/22/2004EP1488852A1 Method for manufacturing a microarray and verifying its quality
12/22/2004EP1488446A2 Method and system for high-throughput quantitation of small molecules using laser desorption and multiple-reaction-monitoring
12/22/2004EP1488230A1 Drift compensated magnetic permeability detector
12/22/2004EP1488225A1 Method for the detection of proteins of animal origin in complex mixtures
12/22/2004EP1488224A1 A cell structure, device and methods for gas analysis
12/22/2004EP1488223A1 High-speed corrosion-resistant rotating cylinder electrode system
12/22/2004EP1488222A2 Stabilized conductivity sensing system
12/22/2004EP1487996A2 Multiplex detection of biological materials in a sample
12/22/2004EP1487960A2 Microfluidics apparatus and methods of use therefor
12/22/2004EP1487565A1 Process for preparing processed sample liquid solution for electrophoresis
12/22/2004EP1343973A4 Apparatus and methods for conducting assays and high throughput screening
12/22/2004EP1230258A4 Multi-compartment electrophoresis
12/22/2004EP1151286B1 A micro-electronic bond degradation sensor and method of manufacture
12/22/2004EP1112487B1 Method for producing a reference electrode for a galvanic cell with cation-conducting solid electrolytes
12/22/2004EP0968417B1 Method for carrier-free deflection electrophoresis
12/22/2004CN2665716Y Device for detecting deep sea abnormal environment physical and chemical parameters
12/22/2004CN2665712Y Apparatus for detecting plant bioelectricity
12/22/2004CN2665711Y Measuring device for magnetic damping and kinetic friction coefficient
12/22/2004CN2665710Y Rainfall overload automatic protection device for outdoor air monitoring instrument
12/22/2004CN2665709Y Apparatus for detecting line type ion trap RF resonance absorption signal
12/22/2004CN2665708Y Soil moisture monitoring device
12/22/2004CN2665697Y Automatic sampler for rain-water
12/22/2004CN1556925A C-terminal amino acid sequence analysis method in peptide
12/22/2004CN1556729A Bonded phase photopolymerized sol-gel column and associated methods
12/22/2004CN1556411A Deep sea abnormal environment physico chemical quantity detection device
12/22/2004CN1556403A Steeve type capacitor
12/22/2004CN1556392A Microbiochemical detection and analysis method and instrument
12/22/2004CN1181348C Full automatic cartridge unit for chip to be aligned and bonded
12/22/2004CN1181339C Sensor for measuring content of sulfate reducing bacteria
12/22/2004CN1181338C 空气离子测量仪 Air ion gauge
12/22/2004CN1181337C Solid molecule operating method in microfluid system and relative reagent kit
12/22/2004CN1181331C Microelectronic mechanical system thin film lateral breaking strength on line testing structure
12/22/2004CN1180956C Controller for testing integrity of tearing-opening sealing appts.
12/21/2004US6833943 Non-emissive device based on the electrophoresis phenomenon of charged pigment particles suspended in a solvent
12/21/2004US6833919 Multiplexed, absorbance-based capillary electrophoresis system and method
12/21/2004US6833720 Electrical detection of dicing damage