Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
Patents for G01N 27 - Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means (109,839)
04/2000
04/04/2000US6045673 Gas sensor for measuring oxides such as nitrogen oxides, sulfur dioxide, water and inflammable gases such as carbon monoxide or hydrocarbon gases contained in atmospheric air and exhaust gas discharge from automobiles
04/04/2000US6044689 Apparatus for sensing low concentration NOx, chamber used for apparatus for sensing low concentration NOx; gas sensor element and method of manufacturing the same; and ammonia removing apparatus and NOx sensor utilizing this apparatus
04/04/2000CA2072004C An hplc light-scattering detector for biopolymers
04/04/2000CA2011659C Measuring sensor for fluid state determination and method for measurement using such sensor
03/2000
03/30/2000WO2000017909A1 Ion optical system for a mass spectrometer
03/30/2000WO2000017631A1 Method for separation of macromolecules
03/30/2000WO2000017630A1 Electrical detector for micro-analysis systems
03/30/2000WO2000017624A2 Miniaturized cell array methods and apparatus for cell-based screening
03/30/2000WO2000017493A2 Exhaust gas cleaning system and method for catalytically reducing the content of pollutants in the exhaust gas of an internal combustion system
03/30/2000WO2000017106A1 Solid-state gas sensors and compounds therefor
03/30/2000WO2000003222A3 Method for fabricating biosensors using hydrophilic polyurethane
03/30/2000WO1999058962A8 Improved apparatus and methods for carrying out electrochemiluminescence test measurements
03/30/2000DE19855831A1 Hand-operated waste gas analyzer for determination of heating installation performance
03/30/2000DE19844604A1 Transportable laser detection and ionization device for sampling and analyzing particles in a gas flow used for monitoring clean room ventilation exhaust air
03/30/2000DE19843988A1 Monitoring corona discharge treatment of plastic sheet is achieved by non-contact field strength measurement, in conjunction with electrodes discharging and re-charging it
03/30/2000DE19843136A1 Abgasreinigungsanlage und Verfahren zur katalytischen Verringerung des Schadstoffgehalts im Abgas einer Verbrennungsanlage Emission control system and process for the catalytic reduction of pollutant content in the exhaust gas of an incinerator
03/30/2000DE19842425A1 Verfahren zur Korrektur der Kennlinie einer linearen Lambda-Sonde Method for the correction of the characteristic curve of a linear lambda probe
03/30/2000DE19841723A1 Paramagnetic oxygen analysis instrument has stabilization panels minimizing vibration and instrument error, raising detection limit and speed of measurement
03/30/2000DE19841288A1 Vorrichtung zur Kopplung einer Kapillarelektrophoreseeinrichtung mit einer Plasma-Massen-Spektrometereinrichtung Apparatus for coupling a Kapillarelektrophoreseeinrichtung with a plasma-mass spectrometer device
03/30/2000CA2345151A1 Miniaturized cell array methods and apparatus for cell-based screening
03/30/2000CA2339863A1 Solid-state gas sensors and compounds therefor
03/30/2000CA2249092A1 Method and system for determining pipeline defects
03/29/2000EP0989586A2 A method and apparatus for transferring ions from an atmospheric pressure ion source into an ion trap mass spectrometer
03/29/2000EP0989585A2 An assembly for coupling an ion source to a mass analyzer
03/29/2000EP0989400A1 Method and apparatus for measuring the acid level of hydraulic fluid in a hydraulic system
03/29/2000EP0988543A1 Method and apparatus for monitoring gas(es) in a dielectric fluid
03/29/2000EP0988537A1 Apparatus and method for detecting dmah using a particle-sensing detector
03/29/2000EP0988536A1 Method and device for isolating and/or analyzing charged biomolecules
03/29/2000EP0988535A1 Detector for measuring electrolytic conductivity
03/29/2000EP0988534A1 Electronic methods for the detection of analytes
03/29/2000EP0988533A1 Biosensor comprising a lipid membrane containing gated ion channels
03/29/2000EP0988532A1 Detection of analytes using reorganization energy
03/29/2000EP0988531A1 Method for identifying and/or analysing biological substances, present in a conductive liquid, device and affinity sensor used for implementing said method
03/29/2000EP0988530A1 Microfabricated structures for facilitating fluid introduction into microfluidic devices
03/29/2000EP0988529A1 Microfluidic devices incorporating improved channel geometries
03/29/2000EP0988527A1 Electrochemoluminescent detector
03/29/2000EP0988120A1 Method and device for detecting the actual state of a hot tube
03/29/2000EP0988112A1 Electrospraying solutions of substances for mass fabrication of chips and libraries
03/29/2000EP0988110A1 METHODS AND APPARATUS FOR $i(IN SITU) CONCENTRATION AND/OR DILUTION OF MATERIALS IN MICROFLUIDIC SYSTEMS
03/29/2000EP0857107A4 Improved laminated membrane structure for polarographic measurement and methods of making said structures
03/29/2000EP0811198B1 Neural network
03/29/2000EP0758933B1 Manufacture of copper rod
03/29/2000EP0693180B1 Ammonia sensor
03/29/2000EP0615617B1 Capillary flowcell for multiple wavelength detection
03/29/2000CN2371559Y Electrode plate for alkaline hydrogen dioxide solution generator
03/29/2000CN2371558Y Odorimeter for oral cavity
03/29/2000CN1248701A Magnetic powder defects-detection method for ultralarge type thin-wall lantern ring
03/28/2000US6043878 Device for optical and electrochemical measurements in microliter size samples
03/28/2000US6043742 Apparatus and process for detecting man-made gemstones
03/28/2000US6043639 Method and apparatus for real-time detection of airborne conductive contaminants
03/28/2000US6043487 Electrospray ionizer
03/28/2000US6043031 DNA diagnostics based on mass spectrometry
03/28/2000US6043025 Kit containing matched set of luminescent dyes capable of covalently binding to protein; dyes migrate the same but have different emission wavelengths; for simple, fast and accurate method of comparing/contrasting protein content of samples
03/28/2000US6042959 Membrane electrode assembly and method of its manufacture
03/28/2000US6042788 For detecting analytes in gaseous or liquid phase in solutions, characterised in that the chemically sensitive sensors comprise a chemically sensitive probe of arylene alkenylene oligomers, alone or in a mixture
03/28/2000US6042751 Platinum group metal powder, modified graphite, and thermoplastic resin
03/28/2000US6042714 Method and chemical sensor for determining concentrations of hydrogen peroxide and its precursor in a liquid
03/28/2000US6042710 Methods and compositions for performing molecular separations
03/28/2000US6042709 Microfluidic sampling system and methods
03/28/2000US6042708 Stopping application of migration voltage on separation of target components in sample; irradiating passage with light for repetitive measurements of absorption or emission, accumulating measured values to determine migration patterns
03/28/2000US6041643 Gas sensor with protective gate, method of forming the sensor, and method of sensing
03/28/2000US6041642 Method and apparatus for sensing the natural frequency of a cantilevered body
03/28/2000CA2005550C Transient electromagnetic method for detecting irregularities on conductive containers
03/23/2000WO2000016428A1 Method and apparatus for measuring complex impedance of cells and batteries
03/23/2000WO2000016375A1 Means for removing unwanted ions from an ion transport system and mass spectrometer
03/23/2000WO2000016245A1 Method and system for biometric recognition based on electric and/or magnetic properties
03/23/2000WO2000016087A1 Spectral calibration of fluorescent polynucleotide separation apparatus
03/23/2000WO2000016086A1 Multi-channel capillary electrophoresis device including sheath-flow cuvette and replaceable capillary array
03/23/2000WO2000016085A1 Sample handling system for a multi-channel capillary electrophoresis device
03/23/2000WO2000016084A1 Electrophoresis gel-matrix
03/23/2000WO2000016081A1 A system for detecting the presence of moisture
03/23/2000WO2000016080A1 Method for producing a reference electrode for a galvanic cell with cation-conducting solid electrolytes
03/23/2000WO2000015833A1 Multiple sequencing method
03/23/2000WO2000015321A1 Integrated monolithic microfabricated electrospray and liquid chromatography system and method
03/23/2000WO2000015269A1 Methods and apparatus for odor reproduction
03/23/2000WO2000015268A1 Methods and apparatus for odor transmission
03/23/2000WO2000015108A1 Press device for a gel/sensor assembly
03/23/2000WO2000000820A3 Gas sensor comprising a planar sensor element and a housing
03/23/2000WO2000000808A3 Colloidal particles used in sensing arrays
03/23/2000WO1999057318A3 Infrared matrix-assisted laser desorption/ionization mass spectrometric analysis of macromolecules
03/23/2000DE19842735A1 Multi-layer ceramic sensor with surface electrodes, has connections for both electrical measurement and direct electrode heating during e.g. temperature pulse voltammetry in flowing electrolyte
03/23/2000DE19826896A1 Simple, robust lay-out for thin-film sensor or detector useful in analysis has high temperature resistant polymer substrate, electrochemically active layer and electrodes
03/23/2000CA2676405A1 Means for removing unwanted ions from an ion transport system and mass spectrometer
03/23/2000CA2676392A1 Means for removing unwanted ions from an ion transport system and mass spectrometer
03/23/2000CA2344254A1 Press device for a gel/sensor assembly
03/23/2000CA2343408A1 Method and system for biometric recognition based on electric and/or magnetic properties
03/23/2000CA2343256A1 Methods and apparatus for odor reproduction
03/23/2000CA2343043A1 Methods and apparatus for odor transmission
03/23/2000CA2341740A1 Spectral calibration of fluorescent polynucleotide separation apparatus
03/22/2000EP0987548A2 Gas sensor
03/22/2000EP0987547A2 Gas sensor
03/22/2000EP0987546A2 Gas concentration sensing apparatus
03/22/2000EP0987545A1 Tubular gas sensor with printed sensing and heat generating areas
03/22/2000EP0987536A1 Hydrogen permeation cell
03/22/2000EP0987333A2 Thick film conductor composition for use in biosensors
03/22/2000EP0986758A1 Detection of biologically active molecules by use of pre-activated cell-based biosensors in liquid-based separation systems
03/22/2000EP0986756A1 Molecular wire injection sensors
03/22/2000EP0986748A1 Electrodes for the measurement of analytes in small sample volumes
03/22/2000EP0986747A1 Improved biosensor
03/22/2000EP0986746A1 On-line liquid sample deposition interface for matrix assisted laser desorption ionization-time of flight (maldi-tof) mass spectroscopy
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