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)
03/1999
03/16/1999US5882497 Polymerising one layer by exposing an oxidising agent to a vapour containing the monomer (i.e. polypyrrole) and polymerising another layer of semiconducting organic polymer electrochemically
03/16/1999US5882496 Porous silicon structures with high surface area/specific pore size
03/16/1999US5882495 Electrophoresis system
03/16/1999US5882494 Reaction products of a diisocyanate, a hydrophilic diol or diamine, and a silicone material, increasing oxygen permeability and decreased analyte (e.g. glucose) permeability
03/16/1999CA2147483C Self-activating chemical sensor system
03/16/1999CA2090217C Method for increased resolution in tandem mass spectrometry
03/11/1999WO1999012045A2 Apparatus for measuring minority carrier lifetimes in semiconductor materials
03/11/1999WO1999012040A2 Mass spectrometric detection of polypeptides
03/11/1999WO1999012025A1 Gel loading
03/11/1999WO1999012024A1 Water content metering apparatus
03/11/1999WO1999012016A1 Microfluidic system with electrofluidic and electrothermal controls
03/11/1999WO1999011578A1 Performance-based control system
03/11/1999WO1998055974A3 Method and apparatus for detecting a target material by pre-screening a sample for piezoelectric resonance
03/11/1999WO1998053323A3 A method for de novo peptide sequence determination
03/11/1999DE19739435A1 Meßfühler Probe
03/11/1999DE19736224A1 Verfahren zur Messung von kleinsten elektrischen Strömen in der Voltammetrie mit geringen Bauteilaufwand A method for measuring minute electric currents in voltammetry with low component cost
03/11/1999DE19734708C1 In situ measurement of micro organisms in water supplies
03/11/1999CA2300356A1 Mass spectrometric detection of polypeptides
03/11/1999CA2300203A1 Microfluidic system with electrofluidic and electrothermal controls
03/10/1999EP0901018A2 Method for quantitative measurement of a substrate
03/10/1999EP0901014A1 Electrical circuit for an electrochemical sensor
03/10/1999EP0901013A1 Water content metering apparatus
03/10/1999EP0901012A2 A gas detector and its adjusting method
03/10/1999EP0901011A2 Oil aging sensor
03/10/1999EP0900374A2 Reference solution container having improved gas retention
03/10/1999EP0900372A1 Detector and method for the production thereof
03/10/1999EP0900370A1 Apparatus and method for determining a parameter of a particle in a fluid
03/10/1999EP0858597A4 Transistor-based apparatus and method for molecular detection and field enhancement
03/10/1999EP0835442B1 Method and system for dna sequence determination and mutation detection
03/10/1999CN2310321Y Double-plane electric capacity type lubricating-oil quality testing sensor
03/10/1999CN2310320Y Gasoline grade tester
03/10/1999CN1210584A Determination of thickness of layer of electroconductive material
03/10/1999CN1210270A Method and apparatus for detecting presence of magnetic substances in non-magnetic products
03/10/1999CN1042460C Insulating layer system for gavanically separating circuits
03/09/1999US5880354 Gas sensor with orientation insensitivity
03/09/1999US5880353 Gas sensor
03/09/1999US5880071 Transporting materials using electrokinetic forces through the channels of a microfluidic system
03/09/1999US5879949 Apparatus and method for rapid on-line electrochemistry and mass spectrometry
03/09/1999US5879947 Apparatus and method for detecting DMAH using particle sensing detector
03/09/1999US5879945 Decomposing peroxides present in absorbing fluid before passing air through to measure oxidation-reduction potential
03/09/1999US5879828 Membrane electrode assembly
03/09/1999US5879630 Semiconductor chemical sensor device and method of forming a thermocouple for a semiconductor chemical sensor device
03/09/1999US5879528 Creating buffer solution containing fluorescing charged components, distributing uniformly, laser scanning, separating based on variations in intensity
03/09/1999US5879527 Filter for an electrochemical measuring cell
03/09/1999US5879525 Apparatus for measuring combustible gas component by burning component
03/09/1999US5878783 Pipeline vehicle
03/08/1999CA2246772A1 Electric circuit for an electrochemical sensor
03/08/1999CA2246521A1 Tubular inspection unit
03/04/1999WO1999010853A1 Metering circuit
03/04/1999WO1999010738A1 Sensor unit, especially for measuring air quality
03/04/1999WO1999010735A1 Improved controller/detector interfaces for microfluidic systems
03/04/1999WO1999010734A1 Method and device for determining a parameter for a metallization bath
03/04/1999WO1999010530A1 Estimation of nucleic acid
03/04/1999WO1999009883A1 System and method for in-vivo hematocrit measurement using impedance and pressure plethysmography
03/04/1999WO1998035232A3 Electrochemical detection of specific binding
03/04/1999DE19839382A1 Rare earth type oxide ion conductor
03/04/1999DE19734861A1 Sensorelement zur Bestimmung der Konzentration oxidierbarer Bestandteile in einem Gasgemisch Sensor element for determining the concentration of oxidizable constituents in a gas mixture
03/04/1999DE19734860A1 Verfahren zur Bestimmung oxidierbarer Bestandteile in einem Gasgemisch Method for determining oxidizable constituents in a gas mixture
03/04/1999CA2300919A1 Metering circuit
03/04/1999CA2300868A1 Estimation of nucleic acid
03/03/1999EP0899748A2 Thick film compositions for making medical electrodes
03/03/1999EP0899589A2 Method and apparatus for detecting the presence of magnetic substances in non-magnetic products
03/03/1999EP0899571A2 Method for selective gas sensors based on non-linear gas reactions.
03/03/1999EP0899565A1 Gas chromatographic detector
03/03/1999EP0899563A1 "Gas sensor"
03/03/1999EP0899562A2 Oxygen sensor
03/03/1999EP0899561A1 Microscope system equipped with an electron microscope and a scanning probe microscope
03/03/1999EP0899560A1 Detecting compounds using induced photoionization for electron capture detection
03/03/1999EP0899538A1 A probe tip configuration, a method of fabricating probe tips and use thereof
03/03/1999EP0898706A1 Device for highly sensitive magnetic detection of analytes
03/03/1999EP0898705A1 Electrochemical biosensors
03/03/1999EP0898493A1 Apparatus with electrode arrays for carrying out chemical, physical or physico-chemical reactions
03/03/1999EP0795182B1 Ion-conductive polymers
03/03/1999EP0728322B1 Microscopic electromagnetic radiation transmitter or detector
03/03/1999EP0719411B1 Method and device for the detection of odorous substances and applications
03/03/1999EP0647318B1 Sensor devices
03/03/1999CN2309570Y Full-enclosed compatible ultraviolet transmission electrophoretic gel bath
03/03/1999CN1042367C Heater arrangement for measuring sensor for determining constituents in gases
03/03/1999CN1042366C Potassium ion selective electrode of phosphoric acid-oxygen-titanium-potassium monocrystal film
03/02/1999US5877497 Data acquisition and control apparatus for scanning probe systems
03/02/1999US5877495 Mass spectrometer
03/02/1999US5877406 NOx sensor and method of measuring NOx
03/02/1999US5877027 Decomposing a natural quartz powder with hydrofluoric acid, evaporating to dryness, heating the residue with a salt or hydroxide of an alkali metal to effect fusion, dissolving in an acid solution and analyzing quantitatively
03/02/1999US5876675 Microfluidic devices and systems
03/02/1999US5876673 High sensitivity phase transformation-based oxygen sensors for proportional control
03/02/1999US5876578 Gas sensor
03/02/1999US5876577 Electrochemical oxygen sensor
03/02/1999US5875768 Method and arrangement for determining the sensitivity of a hydrocarbon sensor for an internal combustion engine
03/02/1999US5875628 Air-fuel ratio control apparatus for internal combustion engine
02/1999
02/25/1999WO1999009419A2 Method for voltametric measurement of very low voltage using few components
02/25/1999WO1999009405A1 Pipe testing apparatus and method
02/25/1999WO1999009404A1 Method and apparatus for automatic analysis
02/25/1999WO1999009403A1 High speed submarine gel electrophoresis apparatus
02/25/1999WO1999009402A1 Method and device for electrochemical measurements
02/25/1999WO1999009388A2 Method and apparatus for real time gas analysis and medical fluids monitoring
02/25/1999WO1999009387A1 Method for operating a helium leak indicator and the application of this method to helium leak indicators
02/25/1999WO1999009377A1 Renewable-reagent electrochemical sensor
02/25/1999WO1999009042A2 Microstructures for the manipulation of fluid samples
02/25/1999WO1999008853A1 Aramid film and its use, method of manufacturing the same, detection of pinholes in the film, and device for the detection
02/25/1999DE19736854A1 Membrane resistant to bio-fouling, useful in oxygen sensor or filter for nutrient test sample
1 ... 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 ... 1099