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)
09/1999
09/15/1999EP0941472A1 Grid sensor for determining the conductivity distribution in flow media and process for generating measurement signals
09/15/1999EP0941305A1 Method for measuring the concentration of a medium in an environment, microsensor for such method and application of such microsensor
09/15/1999EP0941142A1 Method and device for separating particles or molecules by migration through a ferrofluid
09/15/1999EP0826146A4 Detection of fluids with metal-insulator-semiconductor sensors
09/15/1999EP0764331B1 Method and apparatus for calibrating moisture sensors
09/15/1999CN2338747Y Magnetic induction investigating device
09/15/1999CN2338746Y Circular magnetic field generator
09/15/1999CN1228842A Measuring arrangement for determination of gas component in gas mixture
09/15/1999CN1228841A Electropipettor and compensation means for electrophoretic bias
09/15/1999CN1228535A Ethylene sensor for fire alarm of coal mine
09/15/1999CN1228534A Electrical measurement method for measuring conducting material structure
09/14/1999US5953133 Scanning apparatus
09/14/1999US5952879 Device for the simultaneous demodulation of a multifrequency signal, particularly for an eddy current measurement
09/14/1999US5952654 Field-release mass spectrometry
09/14/1999US5952652 Ion mobility spectrometers
09/14/1999US5951846 Sensor arrays for detecting analytes in fluids
09/14/1999US5951838 Method and apparatus for correcting illumination non-uniformities
09/14/1999US5951837 Using fluorophoric compositions of a 7-amino-coumarin derivative for enhancing visualization of various constituents of ion selective electrodes
09/14/1999US5951834 Vacuum processing apparatus
09/14/1999CA2179013C Polymers for separation of biomolecules by capillary electrophoresis
09/14/1999CA2151579C Ph measuring system
09/14/1999CA2137155C Preparative electrophoresis device and method
09/10/1999WO1999045387A2 Electrochemical analyte sensor
09/10/1999WO1999045380A1 Sensor for application in molten metals
09/10/1999WO1999045377A1 Chemical surface for control of electroosmosis by an applied external voltage field
09/10/1999WO1999045375A1 Process for producing an electrochemical biosensor
09/10/1999WO1999045374A2 Purification and detection processes using reversible affinity electrophoresis
09/10/1999WO1999045373A1 Apparatus for producing electrophoresis gels
09/10/1999WO1999045372A1 Fast controllable laser lysis of cells for analysis
09/10/1999WO1999045364A1 Sample diluter
09/10/1999WO1999045362A1 Atmospheric-particle analyser
09/10/1999WO1999045150A1 Mass spectrometric methods for biomolecular screening
09/10/1999WO1999045148A1 Method for using a quality metric to assess the quality of biochemical separations
09/10/1999WO1999034198A3 Fluid property and flow sensing via a common frequency generator and fast fourier transformation
09/10/1999WO1999024369A3 Amperometric halogen control system
09/10/1999WO1999019718B1 Oxygen sensor
09/10/1999CA2322975A1 Purification and detection processes using reversible affinity electrophoresis
09/10/1999CA2322968A1 Sample diluter
09/10/1999CA2322857A1 Fast controllable laser lysis of cells for analysis
09/09/1999DE19856295A1 Chemical field effect transistor with carbon gate electrode
09/09/1999DE19856294A1 Chemical field effect transistor with carbon gate electrode
09/09/1999DE19808681A1 Heat conduction-type gas analyzer for continuously measuring the composition of binary or quasi-binary gas mixtures in process control and flue gas analysis
09/08/1999EP0940674A2 Biosensor having a passivation layer
09/08/1999EP0940673A2 Semiconductors oxide gas sensors and materials therefor
09/08/1999EP0940494A1 Tumble drier with process control and conductivity sensor
09/08/1999EP0940450A1 Energy transfer dyes with enhanced fluorescence
09/08/1999EP0939970A1 Multi-anode time to digital converter
09/08/1999EP0939762A2 Electrodes linked via conductive oligomers to nucleic acids
09/08/1999EP0766819B1 Gas sensor comprising semiconducting organic polymers
09/08/1999EP0563259B1 Discontinuous and nonsequential polymeric gel systems for separation of macromolecules
09/07/1999US5949899 Apparatus for measuring and analyzing electrophoresis images
09/07/1999US5949293 Integrated circuit for measuring the distance
09/07/1999US5949023 Temperature-resistant cable bushing and method for the manufacture of the same
09/07/1999US5948966 Gas sensor, method of measuring gas component by utilizing gas sensor, and method of diagnosing malfunction of exhaust gas purifying apparatus
09/07/1999US5948964 NOx sensor and method of measuring NOx
09/07/1999US5948963 Gas sensor
09/07/1999US5948361 Chemical sensor and method of making same
09/07/1999US5948278 Separation of rare cell fractions from blood sample according to relative charge density and/or binding affinity for a leukocyte depletion solid phase matrix
09/07/1999US5948236 Determination of chlorate ion concentration using microelectrodes
09/07/1999US5948231 Compositions, methods and apparatus for ultrafast electroseparation analysis
09/07/1999US5948227 Methods and systems for performing electrophoretic molecular separations
09/07/1999US5948226 Oxygen concentration detector
09/07/1999US5948225 Oxygen sensor element
09/07/1999CA2105685C Early warning reactive gas detection system
09/02/1999WO1999044399A1 Apparatus for the investigation of surface chemistry
09/02/1999WO1999044048A1 Blood measuring instrument
09/02/1999WO1999044047A1 Can coating tester
09/02/1999WO1999044008A1 Apparatus for measuring properties of a moving paper web or cardboard web
09/02/1999WO1999043440A1 Spray gun having an anti-back-ionization probe with a control system therefor
09/02/1999WO1999043432A1 Microfluidic devices and systems incorporating cover layers
09/02/1999WO1999043383A1 Sensor controlled analysis and therapeutic delivery system
09/02/1999WO1999030142A8 Determination of concentration of a compound in a multiple component fluid
09/02/1999WO1999028037A8 Device for measuring physiological parameters
09/02/1999WO1999012040A3 Mass spectrometric detection of polypeptides
09/02/1999DE19807699A1 Ion mobility spectrometer having ion source surrounding the ionization chamber
09/02/1999CA2321769A1 Sensor controlled analysis and therapeutic delivery system
09/02/1999CA2321632A1 Apparatus for measuring properties of a moving paper web or cardboard web
09/02/1999CA2320444A1 Can coating tester
09/01/1999EP0939314A2 Gas sensor
09/01/1999EP0939292A1 Device and method for continuously measuring the wear of a wall of a metallurgical vessel
09/01/1999EP0938742A1 Method and device for revealing a catalytic activity by solid materials
09/01/1999EP0938675A1 Analysis of carbohydrates
09/01/1999EP0938671A1 Method and apparatus for the on-line measurement of the strength of metal cables
09/01/1999EP0938670A1 Dorsal substrate guarded isfet sensor
09/01/1999EP0938669A1 Gas sensor
09/01/1999EP0938668A1 Gas sensor
09/01/1999EP0938667A1 Gas sensor
09/01/1999EP0938666A1 Gas sensor
09/01/1999EP0938665A1 Water container inspection
09/01/1999EP0917441A4 Ferromagnetic foreign body screening method and apparatus
09/01/1999EP0759721B1 Sensor unit for washing machines
09/01/1999CN2336359Y Self-supporting ceramic plate polyacrylamide gel electrophoresis apparatus
09/01/1999CN2336358Y Ion-selective electrode
09/01/1999CN2336357Y Electrolyzer for in-situ electrochemically scanning tunnel microscope
09/01/1999CN2336356Y Reference electrode of fuel battery
09/01/1999CN1227633A Apparatus and method for gas chromatography
08/1999
08/31/1999US5945832 Structure and method of measuring electrical characteristics of a molecule
08/31/1999US5945831 Volume charge density measuring system
08/31/1999US5945830 Flow through fluid pH and conductivity sensor
08/31/1999US5945280 Detecting resonance frequencies of piezoelectric crystal with polynucleotide attatched to surface before and after hybridization occurs
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